Names in green are nicknames. Names in italics are synonyms. Type= a/p, for example, indicates that the plant is grown as an annual in some zones and as a perennial in others. Only representative or most popular species are included within each of the genera listed. For species not listed, select the seed sowing instructions for any species of the same type, i.e. an, ha, hha, bi, bip, or a/p within that genus.
Abelmoschus esculentus , okra , ,Type= an , soak overnite , sow @ 70ºF , 10-14d , grow on @ 60ºF
Abelmoschus maot , sunset muskmallow , ,Type= a/p , soak overnite , sow @ 70ºF , 10-20d , grow on @ 60ºF
Abelmoschus moschatus , musk mallow , ,Type= a/p , , surface sow @ 75ºF, in darkness, warm nights , 10-14d
Abronia latifolia , yellow sand verbena, A. arenaria, Type= an , soak 1d, dehusk , sow @ 60ºF , 7-14d, grow on @ 50 to 55ºF
Abronia villosa , desert sand verbena , ,Type= an , soak 1d, dehusk , sow @ 60ºF , 7-14d, sow the a/p species in a similar manner.
Abrus precatorius , prayer beads , ,Type= a/p , nick + soak , sow @ 60ºF , 14-21d
Abutilon darwinii , , ,Type= a/p , , sow @ 75ºF , 15-30d
Abutilon theophrasti , velvetleaf, flower of an hour , ,Type= an , , sow @ 75ºF , 15-30d , cornfield weed
Abutilon vitifolium , parlour maple , ,Type= an , , sow @ 75ºF , 15-30d
Acmella oleracea , eyeball plant , Spilanthes oleracea ,Type= an , , sow @ 70ºF , 7-14d , protect from slugs while young
Acokanthera oblongifolia , wintersweet, Carissa acokanthera, Type= a/p , remove from fruit , sow @ 70ºF , 7-14d, fruit and sap poisonous
Acroclinium roseum , rosy sunray , Helipterum roseum ,Type= an , , sow @ 72ºF , 7-14d , grow cool, good cut flower
Actinotus helianthi, flannel flower, , Type=a/p, , sow @ 65 to 70ºF, 21-42d
Adlumia fungosa, Allegheny vine, A. cirrhosa, Type=bi, direct sow outdoors in April, thin to 18", cover seed thinly.
Adonis aestivalis , ain ad deek , ,Type= an , , sow @ 65ºF , 30-120d ,
Adonis annua , pheasant's eye , ,Type= an , , sow @ 65ºF , 30-120d, direct sow seed outdoors in September for most vigorous spring seedlings.
Aeoniopsis cabulica , , ,Type= bi , , sow in darkness @ 70ºF , 6-12d ,
Aeonium tabuliforme , , ,Type= bip , , propagate by stem tip or leaf cuttings
Aethionema buxbaumii, stone cress, A. cappadocium, Type=an, sow @ 60 to 65ºF, 7-14d
Agapanthus spp. , ladybells , ,Type= an , , sow @ 75ºF , 20-90d ,
Ageratum conyzoides , tropical whiteweed , ,Type= an , , surface sow @ 80ºF in light, grow on @ 65ºF , 7-21d , weedy
Ageratum houstonianum , flossflower,A. mexicanum, Type= an , , surface sow @ 80ºF in light, grow on @ 65ºF , 7-21d , hold in pots until buds form, grow cool
Agoseris major, , , Type=an, direct sow outdoors in Sept, cover thinly, thin to 6"
Agrostemma githago , corncockle, Lychnis githago, Type= an , , sow @ 55 to 65ºF , 14-21d , grainfield weed
Agrostis nebulosa , cloud grass , ,Type= an , , sow @ 71ºF , 4-8d , grow on @ 55ºF
Aichryson spp, , , Type=a/b, surface sow @ 55 to 60ºF, 10-14d
Alcea ficifolia , Antwerp hollyhock , ,Type= bip , , sow @ 70ºF, grow on @ 55-60ºF , 7-14d ,
Alcea rosea , hollyhock , ,Type= an , , sow @ 70ºF, grow on @ 55-60ºF , 7-14d ,
Allium cepa , onion , ,Type= an , , sow @ 70ºF, grow on @ 60ºF , 7-14d ,
Allium flavum , small yellow onion , ,Type= a/p , , sow 4 wks @ 70ºF, 6 wks @ 39ºF, germ. @ 53º , 10-20d ,
Allium sphaerocephalum , round headed leek , ,Type= hbb , , sow 4 wks @ 70ºF, 6 wks @ 39ºF, germ. @ 53º , 10-20d ,
Allium stellatum , prairie onion , ,Type= a/p , , sow @ 70ºF , 7-14d ,
Alonsoa linearis , mask flower, A. liniflora, Type= hha , , sow @ 60ºF, cover thinly , 14-21d
Alonsoa warscewiczii , mask flower, A. compacta, A. grandiflora, Type= a/p , , sow @ 65ºF , 7-14d ,
Alternanthera ficoidea , Joseph's coat, copperleaf , ,Type= an , , propagate by nodal or root cuttings
Althaea rosea, hollyhock, A. chinensis, Type=a/b, sow @ 50 to 55ºF, 7-10d
Alyssum alyssoides , madwort , ,Type= a/b , , sow in light @ 55 to 75ºF , 7-14d ,
Alyssum desertorum , desert madwort , ,Type= an , , sow in light @ 55 to 75ºF ,
Amaranthus caudatus , love lies bleeding , ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off if sown too thickly
Amaranthus chlorostachys , slim amaranth , Amaranthus hybridus ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off
Amaranthus cruentus , prince's feather , ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off
Amaranthus gangeticus , elephant head amaranth , ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off if sown too thickly
Amaranthus hypochondriacus , prince's feather , A. hybridus var erythrostachys ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off
Amaranthus lividus , purple amaranth , Amaranthus blitum ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off
Amaranthus sp. , grain amaranth , ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off
Amaranthus tricolor , tampala , ,Type= an , , sow @ 75ºF, grow on @ 65ºF , 10-15d , seedlings sensitive to damping-off
Amberboa moschata , sweet sultan , Centaurea moschata ,Type= an , , direct sow in spring or fall , , protect from temps below 14ºF
Amellus annuus, , A. strigosus var. willdenovii, Type=an, sow @ 60 to 65ºF, 4-8d
Amethystea caerulea , , ,Type= an , , sow in darkness @ 70ºF , 14-30d
Ammi majus , bishop's weed , ,Type= an , , sow @ 55 to 65ºF , 7-21d ,
Ammi visnaga , bisnaga , ,Type= an , , sow @ 55 to 65ºF , 7-21d ,
Ammobium alatum , winged everlasting , ,Type= hha , , sow @ 60ºF , 10-15d ,
Ammobium grandiflora , winged everlasting , ,Type= an , , sow @ 70ºF , 7-14d
Anagallis arvensis , scarlet pimpernel, A. pulchella, A. orientalis, Type= hha , , sow @ 50 to 65ºF , 30-40d , invasive weed
Anagallis monelli , flaxleaf pimpernel, A. linifolia var. Monelli, Type= hha , , sow @ 60 to 70ºF , 18-21d
Anastatica hierochuntica, rose of Jericho, , Type hha, sow @ 65 to 70ºF, 10-14d
Anchusa capensis , bugloss , ,Type= a/b , , surface sow @ 70ºF in light , 5-10d
Androsace chaixii, , Type=an, direct sow on the surface outdoors in Sept.
Anethum graveolens , dill , ,Type= an , , sow @ 60ºF in light , 14-21d , direct sow or transplant very carefully
Angelica archangelica, angelica, , Type=bi, sow @ 39ºF for 30d, move to 65ºF in light for germ., 21-30d, low germ. rate, short lived seed.
Angelica dahurica , bai zhi , ,Type= bi , , sow @ 60 to 65ºF , 21-25d , short lived seed, will not store well. Sow soonest.
Angelica sylvestris , woodland angelica , ,Type= bi , , sow @ 60 to 65ºF , 21-25d , short lived seed, will not store well. Sow soonest.
Angelonia cornigera, , , Type=an, sow @ 70 to 75ºF, 10-14d
Anisodontea spp , , ,Type= an , , sow @ 70ºF , 7-14d ,
Anoda cristata , crested anoda, A. dilleniana, Type= a/p , , sow @ 55 to 65ºF , 14-21d , invasive weed
Anoda wrightii , lanceleaf anoda , ,Type= an , , sow @ 55 to 65ºF , 14-21d ,
Anthemis arvensis , corn camomile , ,Type= an , , sow @ 70ºF , 14-30d , invasive weed
Anthemis cotula , mayweed , ,Type= an , , sow @ 70ºF , 14-30d , invasive weed
Anthriscus cerefolium , chervil , ,Type= an , , sow in light @ 60 to 70ºF; transplants poorly , 7-14d ,
Antirrhinum majus , snapdragon , ,Type= a/p , , surface sow @ 39ºF, after one week, move to 73ºF in light, grow on @ 50ºF, pinch , 10-21d ,
Antirrhinum nuttallianum , violet snapdragon , ,Type= an , , surface sow @ 39ºF, after one week, move to 73ºF in light, grow on @ 50ºF, pinch , 10-21d ,
Antirrhinum siculum , snapdragon , ,Type= an , , surface sow @ 39ºF, after one week, move to 73ºF in light, grow on @ 50ºF, pinch , 10-21d
Aphanostephus ramosissimus, , , Type=hha, sow @ 60 to 65ºF, 10-20d
Apium graveolens var. , celeriac , ,Type= bi , , sow @ 70º in damp paper towel for 3 days, then sow outdoors if night temps remain greater than 55ºF , 20-30d ,
Apium graveolens var. dulce , celery , ,Type= bi , , sow in light @ 70 to 75ºF;do not let temps drop below 65ºF until after germ. , 21-25d , grow on @ 60ºF
Arabis glabra, tower mustard, , Type=bi, , sow @ 70ºF, 7-14d, weedy
Arachis hypogaea , peanut , ,Type= an , , direct sow 1" deep , 18-21 ,
Arctium minus , common burdock , ,Type= bi , , sow @ 70ºF , 7-14d , invasive weed
Arctomecon californicum, , , Type=an, direct sow outdoors in Mar. or Apr.
Arctotis acaulis , African daisy, A. scapigera, A. speciosa, Type= hha , , sow @ 60 to 70ºF , 21-35d
Arctotis fastuosa , bittergousblom , ,Type= hha , , sow @ 60 to 70ºF , 21-35d ,
Arctotis hirsuta , gousblom , ,Type= hha , , sow @ 60 to 70ºF , 21-35d ,
Arctotis venusta , blue-eyed African daisy , ,Type= hha , , sow @ 60 to 70ºF , 21-35d
Arenaria stricta, rock sandwort, , Type=a/p, , sow 90d @ 39ºF, move to 70ºF for germ., 7-14d
Argemone grandiflora , pricklypoppy , ,Type= hha , , sow @ 60 to 70ºF , 14-21d
Argemone mexicana , Mexican pricklypoppy, A. speciosa, Type= hha , , sow @ 60 to 70ºF , 14-21d
Argemone munita , flatbud pricklypoppy , ,Type= hha , , sow @ 60 to 70ºF , 14-21d ,
Argemone platyceras , roughprickly poppy , Argemone polyanthemos ,Type= hha , , sow @ 60 to 70ºF , 14-21d ,
Argemone pleiacantha , Southwestern pricklypoppy , ,Type= hha , , sow @ 60 to 70ºF , 14-21d
Argemone polyanthemos , crested pricklypoppy , ,Type= hha , , sow @ 60 to 70ºF , 14-21d
Argyranthemum foeniculaceum , argyranthemum , Pyrethrum anethifolium ,Type= a/p , , sow @ 70ºF , 7-14d
Arnebia cornuta, Arabian primrose, Type=hha, sow @ 65 to 75ºF, 10-14d
Arnica nevadensis , Nevada arnica , ,Type= an , , sow @ 70ºF , 7-21d ,
Artemisia annua , sweet wormwood , ,Type= an , , sow in light @ 75ºF , 10-20d
Artemisia caudata, beach wormwood, , Type=bi, , sow in light @ 75ºF, 10-20d
Artemisia gmelinii , Russian wormwood , ,Type= a/b , , sow in light @ 75ºF , 10-20d
Asarina procumbens , chickabiddy , Antirrhinum asarina ,Type= a/p , , sow @ 65 to 70ºF in light, 21-30d
Asclepias curassavica , bloodflower , ,Type= a/p , , sow @ 65 to 70ºF , 30-120d
Asclepias syriaca , common milkweed , ,Type= a/p , , sow @ 70ºF , 15-30d , can be weedy
Asperula orientalis , oriental woodruff, A. azurea-setosa, Type= an , , sow @ 39ºF, after 14 days, move to 50ºF in light , 30-40d
Asphodelus fistulosus , onionweed , ,Type= a/p , , direct sow in fall , 6-18m ,
Aster azureus, sky blue aster, Aster oolentangiensis, Type=an, , sow @ 70ºF, 7-14d
Aster tripolium , sea aster , ,Type= a/p , , sow @ 39ºF, after 14 days, move to 70ºF in light , 10-14d ,
Astragalus allochrous , halfmoon vetch , ,Type= an , scratch or nick , sow @ 70ºF , 7-30d ,
Astragalus tephroides , ashen milkvetch , ,Type= an , scratch or nick , sow @ 70ºF , 7-30d ,
Astragalus wootonii , milkvetch , Astragalus allochrous var playanus ,Type= an , scratch or nick , sow @ 70ºF , 7-30d ,
Atriplex hortensis , orach, mountain spinach , ,Type= an , , sow @ 50 to 60ºF , 14-21d ,
Atriplex lindleyi , Lindley's saltbush , ,Type= an , , sow @ 50 to 60ºF , 14-21d ,
Atriplex muelleri , Mueller's saltbush , ,Type= an , , sow @ 50 to 60ºF , 14-21d ,
Atriplex semilunaris , annual saltbush , ,Type= an , , sow @ 50 to 60ºF , 14-21d ,
Aureolaria flava , smoth yellow false foxglove , ,Type= a/p , , direct sow fresh seed outdoors , 180d , short lived seed
Avena nuda , naked oats , ,Type= an , , sow @ 60 to 70ºF , 7-14d ,
Avena sativa , oats , ,Type= an , , sow @ 60 to 70ºF , 7-14d ,
Avena sterilis , animated oats , ,Type= an , , sow @ 60 to 70ºF , 7-14d ,
Avena strigosa , lopsided oats , ,Type= an , , sow @ 60 to 70ºF , 7-14d
Baeria aristata, goldfields, B. coronaria, Actinolepis coronaria, Hymenoxys californica, Shortia californica, Type=an, sow @ 60 to 65ºF, 20-30d
Baileya multiradiata, desert marigold, , Type=hha, sow @ 60 to 65ºF, 10-14d
Barbarea intermedia , yellow rocket , ,Type= bi , , sow in light @ 70ºF , 5-10d ,
Barbarea verna , upland cress , ,Type= bi , , sow in light @ 70ºF , 5-10d ,
Barbarea vulgaris , common wintercress , ,Type= bi , , sow in light @ 70ºF , 5-10d , invasive weed
Bartsia alpina , alpine bartsia , ,Type= an , GA-3 soak , sow @ 70ºF , 7-56d
Basella alba, Malabar nightshade, , Type=an, sow @ 65 to 70ºF, 14-20d
Begonia x semperflorens-cultorum , wax begonia , ,Type= an , , sow on surface @ 79º in light , 14-21d , grow on @ 60ºF
Begonia x tuberhybrida , tuberous begonia , ,Type= an , , sow on surface @ 71º in light , 15-30d , grow on @ 60ºF
Bellis annua , daisy , ,Type= bi , , sow in light @ 70ºF, lower temps at night , 10-15d
Bellium minutum, false daisy, , Type=a/p, sow @ 70ºF, 15-25d
Beta vulgaris , beet , ,Type= an , , sow outdoors when soil temps reach 72ºF , 10-14d ,
Beta vulgaris cicia , swiss chard , ,Type= an , , sow outdoors when soil temps reach 72ºF , 10-14d
Bidens bipinnata , Spanish needles , ,Type= an , , sow @ 70ºF , 7-14d , invasive weed
Bidens ferulifolia , Apache beggarticks, Type= a/p , , sow @ 70ºF , 7-14d ,
Bidens pilosa , bur marigold , ,Type= hha , , sow @ 70ºF , 7-14d ,
Bidens tripartita , dreiteiliger zweizahn , ,Type= an , , sow @ 70ºF , 7-14d ,
Biophytum sensitivum , sikerpud , ,Type= an , , sow @ 70ºF , 7-14d
Blennosperma californicum,,, Type=hha, direct sow in Mar. or Apr., thin to 3"
Blumenbachia coronata,,, Type=bi, sow @ 60 to 65ºF, 5-10d
Boisduvalia densiflora,, Godetia densiflora, Oenothera densiflora, Type=hha, sow @ 60 to 65ºF, 10-14d, grow on @ 55ºF
Borago officinalis , borage , ,Type= an , , sow @ 70º in the dark , 7-14d ,
Brachycome ciliaris , fringed daisy , ,Type= a/p , , sow @ 70ºF , 7-20d ,
Brachycome iberidifolia , Swan river daisy , ,Type= an , , sow in light @ 70ºF , 14-21d , grow on @ 55 to 60ºF
Brassica hirta , sarshapa , ,Type= an , , sow @ 70ºF , 7-14d ,
Brassica napus , nabo , ,Type= an , , sow @ 70ºF , 7-14d ,
Brassica nigra , black mustard , ,Type= an , , sow @ 70ºF , 7-14d , invasive weed
Brassica oleracea (all variations) , cabbage, broccoli, etc. , ,Type= a/b , , sow @ 70ºF , 7-14d
Brassica oleracea longata , walking stick kale , ,Type= a/b , , sow @ 55ºF , 10-14d ,
Brassica rapa (all variations) , Chinese cabbage, turnip, etc. , ,Type= a/b , , sow @ 70ºF, grow on @ 50-60ºF , 7-14d ,
Briza maxima , quaking grass , ,Type= an , , sow @ 70ºF , 10-20d
Briza minor , lesser quaking grass , B. minima ,Type= an , , sow @ 70ºF , 10-20d
Bromus kalmii, prairie brome grass, , Type=an, , sow @ 70ºF, 7-14d
Bromus macrostachys , Mediterranean brome
, ,Type= an , , sow @ 70ºF , 5-42d
Bromus madritensis , compact brome ,
,Type= an , , sow @ 70ºF , 5-42d ,
Bromus rubens , red brome , ,Type= an , , sow @ 70ºF , 5-42d ,
Bromus secalinus , cheat grass , ,Type= an , , sow @ 70ºF , 5-42d , invasive weed
Bromus tectorum , drooping brome , ,Type= an , , sow @ 70ºF , 5-42d ,
Browallia americana , Andean forget-me-not, B. demissa, B. elata, Type= an , , sow in light @ 75ºF , 7-15d , grow on @ 60 to 65ºF
Browallia speciosa , bush violet, B. major, Type= a/p , , sow in light @ 75ºF , 7-15d , grow on @ 60 to 65ºF
Browallia viscosa , Jamaican forget-me-not, B. czerwiakowskii, B. pulchella, Type= an , , sow in light @ 75ºF , 7-15d , grow on @ 60 to 65ºF
Bryonopsis laciniosa,, Bryonia laciniosa, Type=ta, sow @ 70 to 75ºF, 4-8d, grow on at 65 to 70ºF
Bulbine annua , , ,Type= an , , sow in light @ 70ºF , 4-8d ,
Bupleurum aureum , hare's ear , ,Type= an , , sow @ 70ºF , 7-14d ,
Bupleurum rotundifolium , thorow-wax , ,Type= an , , sow @ 70ºF , 7-14d
Caiophora lateritia,, Blumenbachia lateritia, Loasa aurantiaca, Loasa lateritia, Type=a/p, sow @ 70-75ºF, 7-14d, grow on @ 65ºF
Calandrinia compressa , , ,Type= an , , sow @ 55 to 60ºF , 7-14d
Calandrinia umbellata , , ,Type= a/p , , sow @ 55 to 60ºF , 7-14d
Calceolaria grandiflora , slipper flower , ,Type= an , , sow in light @ 65 to 75ºF , 14-21d ,
Calceolaria integrifolia , slipper flower , ,Type= a/p , , sow in light @ 65 to 75ºF , 14-21d ,
Calceolaria mexicana , slipper flower , ,Type= an , , sow in light @ 65 to 75ºF , 14-21d ,
Calendula officinalis , pot marigold , ,Type= an , , sow @ 70º in the dark , 7-14d , can be weedy
Calliopsis bicolor , , ,Type= an , , sow @ 55ºF , 7-14d
Callirhoe pedata, poppy mallow,, Type=a/p, direct sow outdoors in Mar. 15-25d
Callistephus chinensis , China aster, Aster sinensis, Callistemma chinense, Callistemma hortense, Type= an , , sow @ 70ºF, grow on @ 60ºF , 7-14d
Campanula affinis , bellflower , ,Type= bi , , surface sow in light @ 70ºF , 14-28d
Campanula americana , tall bellflower , ,Type= a/b , , surface sow in light @ 70ºF , 14-28d ,
Campanula formanekiana , bellflower , ,Type= bi , , surface sow in light @ 70ºF , 14-28d ,
Campanula isophylla , Italian bellflower , ,Type= bi , , surface sow in light @ 70ºF , 14-28d ,
Campanula lingulata , bellflower , ,Type= bip , , surface sow in light @ 70ºF , 14-28d ,
Campanula medium , canterbury bells , ,Type= bi , , surface sow in light @ 70ºF , 14-28d ,
Campanula moesiaca , bellflower , ,Type= bi , , surface sow in light @ 70ºF , 14-28d ,
Campanula patula , spreading bellflower , ,Type= bi , , surface sow in light @ 70ºF , 14-28d ,
Campanula rapunculus , European bellflower , ,Type= bi , , surface sow in light @ 70ºF , 14-28d
Campanula spicata , bellflower , ,Type= a/b , , surface sow in light @ 70ºF , 14-28d ,
Campanula strigosa , bellflower , ,Type= an , , surface sow in light @ 70ºF , 14-28d ,
Campsis radicans , trumpet vine , ,Type= a/p , , sow 8 wks @ 39ºF, germ. @ 68ºF , 10-15d , can be invasive
Canna x generalis , canna , ,Type= an , score seed with file or razor, soak o/n in warm water, sow @ 72ºF , 8-12d , grow on @ 65ºF
Cannabis sativa , hemp, marijuana , ,Type= an , , sow @ 70ºF , 2-5d ,
Capsicum annuum , pepper , ,Type= an , kno3 soak 4h , surface sow @ 72ºF in light, grow on @ 60ºF , 7-14d ,
Capsicum baccatum v pendulum , aji , ,Type= an , kno3 soak 4h , surface sow @ 72ºF in light, grow on @ 60ºF , 7-14d ,
Capsicum exile , , ,Type= an , kno3 soak 4h , surface sow @ 72ºF in light, grow on @ 60ºF , 7-14d ,
Cardiospermum halicacabum , balloon vine , ,Type= a/p , , scratch and soak, sow @ 72ºF , 21-30d
Carduus kerneri, Balkan thistle,, Type=bi, direct sow outdoors in Sept.
Carlina vulgaris , carline thistle , ,Type= bi , , sow @ 70ºF, if no germ. move to 39ºF for 4w, recycle , 14-30d
Carpanthea pomeridiana,, Mesembryanthemum pomeridianum, Type=an, sow @ 70-75ºF, 7-14d, grow on @ 65ºF
Carthamus tinctorius , safflower , ,Type= an , , sow @ 55 to 65ºF , 12-18d ,
Carum carvi 'Annua' , caraway , ,Type= an , , sow in light @ 70ºF , 7-14d ,
Carum carvi 'Biennis' , caraway , ,Type= bi , , direct sow @ soil temperature of 68ºF , 10-14d , can be weedy
Carum roxburgianum , , ,Type= a/b , , sow in light @ 70ºF , 7-14d ,
Cassia absus , tropical sensitive pea , Chamaecrista absus ,Type= a/b , nick or abrade , sow @ 75ºF , 10-20d ,
Castilleja coccinea , Indian paintbrush , ,Type= a/b , , sow @ 70ºF, if no germ. give 4-12 wks @ 39ºF , 7-30d , requires host after germination
Castilleja indivisa , entireleaf indian paintbrush , ,Type= a/p , , sow @ 70ºF, if no germ. give 4-12 wks @ 39ºF , 7-30d , requires host after germination
Castilleja integra , wholeleaf indian paintbrush , ,Type= an , , sow @ 70ºF, if no germ. give 4-12 wks @ 39ºF , 7-30d , requires host after germination
Castilleja stenantha , lesser indian paintbrush , C. minor ssp. spiralis ,Type= an , , sow @ 70ºF, if no germ. give 4-12 wks @ 39ºF , 7-30d , requires host after germination
Catharanthus roseus , periwinkle , Vinca roseus ,Type= an , , sow 3 days @ 80ºF in the dark, germ. @ 75ºF , 14-20d , grow on @ 65ºF
Celosia argentea , cockscomb , ,Type= an , , sow @ 75ºF , 7-14d , grow on @ 65ºF
Celosia cristata , crested cock's comb , ,Type= an , , sow @ 75ºF , 7-14d , grow on @ 65ºF
Celosia plumosa , , ,Type= an , , sow @ 75ºF , 7-14d , grow on @ 65ºF
Celosia spicata , , ,Type= an , , sow @ 75ºF , 7-14d , grow on @ 65ºF
Celsia roripifolia , , ,Type= bi , , sow @ 68ºF , 7-14d ,
Centaurea americana , American star thistle , ,Type= an , , sow @ 70ºF in the dark , 7-14d ,
Centaurea cyanus , batchelor buttons, Cyanus arvensis, Type= a/b , , sow @ 70ºF in the dark , 7-14d ,
Centaurea moschata , sweet sultan, C. amberboi, C. odorata, C. suaveolens, Amberboa moschata, Type= an , , sow @ 70ºF in the dark , 7-14d
Centaurea rothrockii , Rothrock's knapweed , ,Type= an , , sow @ 70ºF in the dark , 7-14d ,
Centaurium erythraea , European centaury , ,Type= bi , , sow @ 70ºF in the dark , 14-30d
Centaurium venustum , charming centaury, Erythraea venusta, Type= an , , sow @ 70ºF in the dark , 7-14d, thin to 4" apart
Centranthus calyptrata , , ,Type= a/p , , sow @ 70ºF , 7-14d
Cephalaria transylvanica,,, Type=an, direct sow outdoors in Mar., thin to 12"
Cephalipterum drummondii , , ,Type= an , , sow @ 65 to 75ºF , 14-21d ,
Ceratotheca triloba , wild foxglove , ,Type= a/b , , sow @ 70 to 75ºF , 8-14d ,
Cerinthe major , honeywort, C. aspersa, Type= a/b , , sow @ 60 to 65ºF , 7-14d
Cerinthe minor , , ,Type= an , , sow @ 60 to 65ºF , 7-14d
Chaenactis douglasii , Douglas' dusty maiden , ,Type= bi , , sow @ 39ºF , 30-70d
Chaenactis fremontii , pincushion flower , ,Type= an , , sow @ 39ºF , 30-70d ,
Chaenactis glabriuscula , yellow chaenactis , ,Type= an , , sow @ 39ºF , 30-70d
Chaenactis xantiana , fleshcolor pincushion , ,Type= an , , sow @ 39ºF , 30-70d
Chaenorrhinum minus,, Linaria minor, Type=a/p, direct sow outdoors in Mar., 30d
Chaenostoma polyanthum,,, Type=an, sow @ 60 to 65ºF, 7-14d
Charieis heterophylla,, C. neesii, Kaulfussia amelloides, Type=an, sow @ 60 to 65ºf, 7-14D
Cheiranthus allionii , Siberian wallflower, Erysimum asperum, Type= bi , , sow @ 70ºF , 7-14d
Chelidonium japonicum , , ,Type= an , , sow fresh seed @ 70ºF , 14-42d , short lived seed
Chenopodium album , lamb's quarters , ,Type= an , , sow in light @ 70ºF , 14-49d , invasive weed
Chenopodium ambrosioides , epazote , ,Type= a/p , , direct sow @ soil temperature of 70ºF , 14-21d
Chenopodium botrys , Jerusalem oak, feather geranium, Ambrosia mexicana, Type= an , , sow in light @ 70ºF , 14-49d ,
Chenopodium capitatum , strawberry blite , ,Type= an , , sow in light @ 70ºF , 14-49d ,
Chenopodium foliosum , leafy goosefoot , ,Type= an , , sow in light @ 70ºF , 14-49d ,
Chenopodium giganteum , lambsquarters , ,Type= an , , sow in light @ 70ºF , 14-49d ,
Chenopodium quinoa , quinoa , ,Type= an , , sow @ 70ºF , 7-14d ,
Chenopodium urbicum , city goosefoot , ,Type= an , , sow in light @ 70ºF , 14-49d ,
Chrysanthemum carinatum , tricolor daisy, C. tricolor, Type= an , , sow @ 60 to 65ºF, cover thin , 10-14d
Chrysanthemum coronarium , crowndaisy , ,Type= an , , sow @ 60 to 65ºF, cover thin , 10-14d
Chrysanthemum multicaule , yellow buttons , ,Type= an , , sow @ 60 to 65ºF, cover thin , 10-14d
Chrysanthemum paludosum , white buttons , ,Type= an , , sow @ 60 to 65ºF, cover thin , 10-14d
Chrysanthemum ptarmiciflorum , dusty miller , ,Type= an , , sow @ 74ºF in light , 10-14d , grow on @ 65ºF
Chrysanthemum sebatense, ,Type= an , , sow @ 60 to 65ºF, cover thin , 10-14d
Chrysanthemum segetum , corndaisy , ,Type= an , , sow @ 60 to 65ºF, cover thin , 10-14d , invasive weed
Chrysanthemum spectabile , , ,Type= an , , sow @ 60 to 65ºF, cover thin , 10-14d
Cichorium endivia , cultivated endive , ,Type= an , , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle , 14-30d ,
Cichorium intybus , chicory , ,Type= an , , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle , 14-30d , invasive weed
Cineraria maritima , dusty miller , ,Type= a/b , , surface sow @ 74ºF in light , 7-14d ,
Cirsium discolor, pasture thistle, , Type=bi, , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle, 14-30d, resents root disturbance
Cirsium eriophorum , , ,Type= bi , , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle , 14-30d
Cirsium hillii, Hill's thistle, , Type=bi, , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle, 14-30d, resents root disturbance
Cirsium palustre , marsh thistle , ,Type= bi , , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle , 14-30d ,
Cirsium vulgare , bull thistle , ,Type= bi , , sow @ 68ºF, if no germ. move to 39ºF for 4w, recycle , 14-30d , invasive weed
Citrullus ecirhhosus , , ,Type= an , , sow @ 71ºF , 7-14d ,
Citrullus lanatus , watermelon , ,Type= an , , sow @ 71ºF , 7-14d ,
Citrullus vulgaris , watermelon , c. lanatus ,Type= an , , sow @ 71ºF , 7-14d ,
Cladanthus arabicus , , C. proliferus, Anthemis arabica,Type= an , , sow @ 70 to 75ºF , 28-35d
Clarkia amoena , farewell to spring , ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia bottae , Botta's fairyfan , ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia concinna , redribbons , C. grandiflora, Eucharidium grandiflorum,Type= an , , sow @ 70ºF in situ , 7-21d
Clarkia deflexa , Botta's fairyfan , C. bottae ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia elegans , elegant fairyfan , C. unguiculata ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia imbricata , vine hill fairyfan , ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia pulchella , pinkfairies , ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia purpurea , winecup fairyfan , ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia rubicunda , rubychalice fairyfan , ,Type= an , , sow @ 70ºF in situ , 7-21d
Clarkia tenella , , ,Type= an , , sow @ 70ºF in situ , 7-21d ,
Clarkia unguiculata , elegant fairyfan , C. elegans,Type= an , , sow @ 70ºF in situ , 7-21d
Cleome angustifolia , spider flower, ,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome gynandra , spiderwisp , ,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome hasslerana , spider plant , ,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome hirta , , ,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome lutea , yellow spiderflower , ,Type= hha, , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome marshallii , , ,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome monophylla , , ,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome serrulata , Rocky mountain bee plant , C. integrifolia,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Cleome viscosa , Asian spiderflower , ,Type= an , , direct sow in fall, or sow @ 80ºF(day) 70ºF(night) , 10-20d , needs oscillating temps
Clitoria ternatea, butterfly pea, C. caerulea, Ternatea vulgaris, Type=bi, sow @ 70 to 75ºF, irregular germ.
Cnicus benedictus , blessed thistle , Carbenia benedicta, Carduus benedictus, Centaurea benedicta,Type= an , , sow @ 70ºF in darkness, if no germ in 3 wks, move to 39ºF for 4wks, recycle , 7-21d ,
Cobaea scandens , cathedral bells , Rosenbergia scandens,Type= a/p , , surface sow @ 70 to 75ºF , 6-30d , stick seed vertically into the media
Coccinia cordifolia, ivy gourd, C. indica, Cephalandra cordifolia, Type=a/p, sow @ 70 to 75ºF, 7-14d
Cochlearia danica,,, Type=an, direct sow outdoors in Sept., thin to 3"
Coix lacryma-jobi , Job's tears , ,Type= a/p , , sow @ 70ºF , 7-14d , grow on @ 60ºF
Collinsia grandiflora , blue eyed mary , ,Type= an , , sow outdoors in situ, thin to 6" , 14-21d ,
Collomia biflora , , C. coccinea, Gilia coccinea,Type= an , , sow outdoors in situ, thin to 6" , 14-21d
Collomia grandiflora , largeflower mountain trumpet , Gilia grandiflora,Type= a/b , , sow outdoors in situ, thin to 6" , 14-21d
Convolvulus tricolor , bindweed , C. cupanianus, C. minor,Type= an , scratch or soak , sow @ 70 to 80ºF , 5-14d , weedy
Coreopsis basalis , golden wave , ,Type= an , , surface sow @ 70ºF in light , 7-14d ,
Coreopsis bigelovii , Bigelow's tickseed , Leptosyne Bigelovii,Type= an , , surface sow @ 70ºF in light , 7-14d ,
Coreopsis grandiflora , large flowered coreopsis , C. floribunda,Type= a/p , , surface sow @ 70ºF in light , 7-14d ,
Coreopsis stillmanii , Stillman's tickseed , Leptosyne Stillmanii,Type= an , , surface sow @ 70ºF in light , 7-14d ,
Coreopsis tinctoria , golden coreopsis , C. bicolor, C. elegans, C. marmorata, Calliopsis tinctoria,Type= an , , surface sow @ 70ºF in light , 7-14d ,
Coriandrum sativum , coriander , ,Type= an , , sow @ 60ºF in darkness , 10-20d
Coris monspeliensis,,, Type=bi, direct sow in coldframe in Aug., set out in Apr.
Corydalis aurea , golden corydalis , ,Type= a/b , , direct sow outdoors in the fall
Corydalis ochotensis , , ,Type= a/b , , direct sow outdoors in the fall
Corydalis sempervirens , pink corydalis , C. glauca,Type= a/b , , direct sow outdoors in the fall
Cosmos bipinnatus , common cosmos , ,Type= an , , sow @ 70ºF , 7-14d
Cosmos sulphureus , yellow cosmos , ,Type= an , , sow @ 70ºF , 7-14d
Cotula barbata , , ,Type= an , , sow @ 50ºF , 14-40d
Cotula coronopifolia , common brassbuttons , ,Type= a/p , , sow @ 50ºF , 14-40d
Cotula turbinata , , Cenia turbinata,Type= an , , sow @ 50ºF , 14-40d
Crambe abyssinica , crambe , ,Type= a/p , , direct sow outdoors in the fall
Crassula columnaris , , ,Type= bip , , propagated from tip cuttings and leaves
Crassula dichotoma , , ,Type= an , , propagated from tip cuttings and leaves
Crassula excilis ssp cooperi , , ,Type= a/p , , propagated from tip cuttings and leaves
Crassula picturata , , ,Type= a/p , , propagated from tip cuttings and leaves
Crassula tomentosa , , ,Type= a/b , , propagated from tip cuttings and leaves
Crepis capillaris , hawk's beard , ,Type= a/b , , sow @ 70 to 80ºF , 5-14d , invasive weed
Crepis rubra , red hawksbeard , Barkhousia rubra,Type= an , , sow @ 70 to 80ºF , 5-14d
Crocidium multicaule,,, Type=an, direct sow outdoors in Mar., 18-24d, thin to 3"
Crotalaria retusa, rattle box,, Type=an, soak o/n, sow @ 70 to 75ºF, 7-14d
Crupina vulgaris,, Centaurea crupina, Type=hha, direct sow outdoors in Mar., thin to 9"
Cryophytum crystallinum, ice plant, Mesembryanthemum crystallinum, Type=an, sow @ 60 to 65ºF, 7-14d
Cryptostemma calendulaceum,, Arctotis calendulacea, Type=hha, sow @ 65 to 70ºF, 5-10d
Cucumis anguria , West indian gherkin, gooseberry gourd, bur cucumber , ,Type= an , , sow @ 72ºF , 10-20d
Cucumis dipsaceus , hedgehog gourd , ,Type= an , , sow @ 72ºF , 10-20d ,
Cucumis melo var. reticulatis , cantalope , ,Type= an , , sow @ 75ºF , 7-14d ,
Cucumis metuliferus , kiwano , ,Type= an , , sow @ 75ºF , 7-14d ,
Cucumis saggitatus , , ,Type= an , , sow @ 72ºF , 10-20d ,
Cucumis sativus , cucumber , ,Type= an , , sow @ 72ºF , 10-20d ,
Cucurbita maxima , summer squash , ,Type= an , , sow @ 72ºF , 10-20d ,
Cucurbita moschata , butternut squash , ,Type= an , , sow @ 72ºF , 10-20d ,
Cucurbita pepo , winter squash , ,Type= an , , sow @ 72ºF , 10-20d ,
Cuminum cyminum , cumin , ,Type= an , , sow @ 70ºF , 7-14d ,
Cuphea ignea , cigar flower , C. platycentra,Type= a/p , , sow @ 70ºF , 12-15d
Cuphea llavea v miniata , , C. miniata,Type= a/p , , sow @ 70ºF , 12-15d
Cuphea macrophylla , , ,Type= a/p , , sow @ 70ºF , 12-15d ,
Cuphea platycentra , , ,Type= a/p , , sow @ 70ºF , 12-15d ,
Cyclamen persicum giganteum , florist's cyclamen , ,Type= an , soak @ 80º 2/n , sow @ 60ºF in the dark, grow on @ 55ºF , 10-20d
Cyclanthera pedata,,, Type=a/p, sow @ 70 to 75ºF, 7-14d
Cymbopogon flexuosus, lemon grass, , Type=an, sow @ 70ºF in light, 7-14d
Cynara scolymus , artichoke , ,Type= an , soak overnite , sow @ 70 to 75ºF , 15-30d , grow on @ 62ºF
Cynoglossum amabile , Chinese hound's tongue , ,Type= bi , , sow in the dark @ 65 to 75ºF, if no germ. move to light after 30d , 10-30d ,
Cynoglossum officinale , hound's tongue , ,Type= bi , , sow in the dark @ 65 to 75ºF, if no germ. move to light after 30d , 10-30d ,
Cynoglossum wallichii , , C. glochidiatum ,Type= bi , , sow in the dark @ 65 to 75ºF, if no germ. move to light after 30d , 10-30d ,
Cyperus papyrus , Egyptian paper reed , ,Type= a/p , , surface sow @ 75ºF in light , 7-14d ,
Dahlia pinnata , pinnate dahlia , ,Type= an , , sow @ 63ºF , 7-14d ,
Dahlia x hybrida , garden dahlia , ,Type= an , , sow @ 63ºF , 7-14d ,
Datura ceratocaula , , ,Type= an , , sow @ 80ºF , 7-40d , germination erratic, Daturas seem to germinate best when sown outdoors in the fall.
Datura discolor , desert thornapple , ,Type= an , , sow @ 80ºF , 7-40d , germination erratic
Datura innoxia , angel's trumpet , D. meteloides ,Type= an , , sow @ 80ºF , 7-40d , germination erratic
Datura metel , horn of plenty , D. aegyptiaca, D. cornucopia, D. fastuosa, D. grandiflora, D. humilis,Type= an , , sow @ 80ºF , 7-40d , germination erratic
Datura quercifolia , Chinese thornapple , D. ferox ,Type= an , , sow @ 80ºF , 7-40d , germination erratic
Datura stramonium , jimson weed , ,Type= an , , sow @ 80ºF , 7-40d , germination erratic, can be weedy
Daucus carota , Queen Anne's lace , ,Type= bi , , sow @ 70ºF , 7-14d , weedy
Delosperma cooperi , iceplant , ,Type= a/p , , surface sow @ 70ºF , 7-14d ,
Delphinium consolida , larkspur , ,Type= an , , direct sow in winter for spring germ. @ 70ºF , 10-20d ,
Delphinium grandiflorum , Siberian larkspur , D. chinense, D. sibiricum, D. sinense,Type= a/p , , sow @ 75ºF , 7-14d ,
Delphinium menziesii , Menzie's larkspur , ,Type= a/p , , sow @ 75ºF , 7-14d ,
Delphinium nudicaule , red larkspur , ,Type= a/p , , sow @ 39ºF, germ erratic , 30-600d ,
Delphinium peregrinum , , ,Type= a/b , , sow @ 75ºF , 7-14d ,
Delphinium semibarbatum , , ,Type= bi , , sow @ 39ºF, germ erratic , 30-600d ,
Delphinium staphisagria , , ,Type= bi , , sow @ 75ºF , 7-14d ,
Delphinium x belladonna , garden delphinium , ,Type= a/p , , sow @ 75ºF , 7-14d
Desmodium motorium, tick trefoil, D. gyrans, Type=a/p, sow @ 65 to 70ºF, 10-20d
Dianthus armeria , Deptford pink , ,Type= a/b , , sow @ 60 to 70ºF , 14-21d ,
Dianthus barbatus , sweet william , ,Type= a/b/p , , sow @ 60 to 70ºF , 14-21d ,
Dianthus caryophyllus , carnation , ,Type= a/p , sow @ 39ºF for 2 wks, move to 65 to 70ºF under thin cover , 7-14d , grow on @ 50 to 55ºF
Dianthus caryophyllus , carnation , ,Type= bi , , sow @ 60 to 70ºF , 14-21d ,
Dianthus chinensis , rainbow pink , D. sinensis, D. Fischeri,Type= an , , sow @ 70 to 75ºF under thin cover , 7-14d , grow on @ 50 to 55ºF
Dianthus deltoides , maiden pink , ,Type= a/p , , sow @ 60 to 70ºF , 14-21d , weedy
Dianthus japonicus , , ,Type= a/p , , sow @ 60 to 70ºF , 14-21d ,
Dianthus knappii , , ,Type= a/p , , sow @ 60 to 70ºF , 14-21d ,
Diascia barberae , twinspur , D. cordata ,Type= an , , sow @ 60ºF , 14-30d ,
Diascia elongata , , ,Type= an , , sow @ 60ºF , 14-30d
Dicranostigma franchetianum,, Chelidonium franchetianum, Type=a/b, direct sow outdoors in Sept., thin to 6"
Digitalis ferruginea , rusty foxglove , D. aurea,Type= bip , , surface sow @ 70ºF in light, grow on @ 55º , 7-14d ,
Digitalis grandiflora , yellow foxglove , ,Type= bip , , surface sow @ 70ºF in light, grow on @ 55º , 14-21d ,
Digitalis lanata , Grecian foxglove , ,Type= bi , , surface sow @ 70ºF in light, grow on @ 55º , 14-21d ,
Digitalis lutea , straw foxglove , ,Type= bip , , surface sow @ 70ºF in light, grow on @ 55º , 21-40d ,
Digitalis purpurea , foxglove , D. tomentosa,Type= bi , , surface sow @ 70ºF in light, grow on @ 55º , 7-14d , can be weedy
Dimorphotheca pluvialis , weather prophet , D. annua ,Type= an , , sow in light @ 60 to 70ºF , 10-15d ,
Dimorphotheca sinuata , , ,Type= an , , sow in light @ 60 to 70ºF , 10-15d ,
Dipsacus asper , , ,Type= bi , , surface sow @ 65ºF in light , 7-14d , weedy
Dipsacus fullonum , Fuller's teasel , ,Type= bi , , surface sow @ 65ºF in light , 7-14d , weedy
Dipsacus pilosus , , ,Type= bi , , surface sow @ 65ºF in light , 7-14d , weedy
Dipsacus sativus , Indian teasel , ,Type= bi , , surface sow @ 65ºF in light , 7-14d , weedy
Dissotis irvingiana,,, Type=an, surface sow @ 70 to 75ºF, 10-20d
Dolichos lablab, hyacinth bean vine, Lablab purpureus, Type=an, sow @ 65 to 70ºF, 10-20d
Dorotheanthus bellidiformis , Livingstone daisy , Mesembryanthemum criniflorum ,Type= an , , sow @ 70ºF , 7-21d ,
Dorotheanthus criniflorus , Livingstone daisy , ,Type= an , , sow @ 70ºF , 7-21d ,
Dorotheanthus gramineus , , Mesembryanthemum lineare, M. pyropaeum, M. tricolor,Type= an , , sow @ 70ºF , 7-21d ,
Dorotheanthus oculatus , , ,Type= an , , sow @ 70ºF , 7-21d
Downingia elegans,,, Type=hha, sow @ 55 to 60ºF, 7-14d
Dracocephalum moldavicum , European dragonhead , Moldavica suaveolens,Type= an , , direct sow outdoors in the fall
Dracocephalum parviflorum , American dragonhead , ,Type= a/b , , direct sow outdoors in the fall
Drosera rotundifolia , round leaved sundew , ,Type= an , , sow in light @ 70ºF , 7-14d
Dyssodia tenuiloba , Dahlberg daisy , ,Type= an , , surface sow @ 65 to 70ºF in light , 10-16d
2nd revision, 1/20/99
3rd revision, 1/9/01