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Here we are compiling indoors germination information for home gardener. |
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|
Latin Name |
Common Name |
Light/dark germ |
germ. temp. |
Days to germination |
Germination to bloom – days |
|
Abutilon |
Flowering Maple |
Cover Lightly |
72-76° |
14-21 days |
11-16 Weeks |
|
Achillea |
Yarrow |
Do Not Cover |
65-70° |
15-20 Days |
5 Months if started indoors |
|
Acroclinium |
Paper Daisy |
Do not cover |
72° |
7-14 days |
|
|
Actaea racemosa |
Fairy Candles, black cohosh, black snakeroot |
|
|
|
|
|
Ageratum |
Floss Flower |
Cover |
70-75° |
8-14 Days |
10-14 Weeks |
|
Alcea rosea |
Hollyhock |
Plant 1/4″ Deep |
60° |
10 Days |
14 Weeks |
|
Alonsoa |
Mask flower |
just cover |
65° |
14-21 Days |
|
|
Alternanthera |
Joseph’s Coat |
do not cover |
68°nt, 86°day |
7-10 Days |
11-12 Weeks |
|
Amaranthus |
Summer Poinsettia |
Do not cover |
70-75° |
10-15 Days |
|
|
Amaranthus Cruentus |
Amaranthus (intense purple) |
do not cover |
70-75 |
5-14 days |
|
|
Amberboa muricata |
Amberboa |
Plant 1/2″ |
|
7-21 Days |
|
|
Ammi |
Queen Anne’s Lace |
Cover Lightly |
See Notes |
7-14 Days |
8-10 Weeks |
|
Anagalis |
Blue Pimpernel |
Barely cover |
65-70° |
18-21 Days |
|
|
Anemone Hupehensis |
Japanese Windflower, Japanese Anemone |
Cover Lightly |
50-60° |
20 Days |
19-20 Weeks |
|
Anethoides |
Ursinia |
Cover Lightly |
70° |
12 Days |
10 Weeks(?) |
|
Angelonia |
Summer Snapdragon |
Do Not Cover |
72-76° |
5-10 Days |
14-18 Weeks |
|
Antirrhinum |
Snapdragon |
do not cover |
55-65° |
7-30 Days |
10-12 Weeks |
|
Aquilegia |
Columbine |
Do not cover |
See notes |
15-20 Days |
|
|
Arabis caucasica |
Rock Cress |
Do Not Cover |
70° |
15-25 Days |
12-16 Weeks |
|
Arctotis stoechadifolia |
African Daisy, Blue Eyed daisy |
Cover to 4 times size of seed |
Alt. 55 and 72° |
15-25° |
|
|
Aristolochia elegans |
Elegant Dutchman’s Pipe |
dark |
>70° |
1-3 Months |
|
|
Asarina |
Climbing Snapdragon |
Do Not Cover |
68-72° |
14-28 Days |
12-15 Weeks |
|
Asclepias |
Milkweed |
Bright light |
75° |
7-10 days |
16-18 Weeks |
|
Astilbe x arendsii |
False Goats beard, False Spirea |
Do not cover |
55-72° |
20-25 days |
|
|
Aster x Frikartii |
Wonder of Staffa Aster |
Do not cover |
65 nt to 85 day |
15-20 days |
|
|
Astrantia |
Masterwort |
Cover |
58-62° |
14-28 Days |
|
|
Bassia Scoparia |
Burning Bush, summer cypress, Mexican fireweed |
Needs light |
|
|
|
|
Begonia |
Begonia |
Do Not Cover |
70-75° |
14-30 Days |
See Notes |
|
Belamcanda chinensis |
Blackberry Lily, leopard lily |
Cover |
68° nt, 86° day |
15-30 |
|
|
Bergenia cordifolia |
See Saxifrage |
Surface sow |
60-70° |
15-60 days |
|
|
Brachycome |
Swan River Daisy |
Bright |
68-70° |
10-15 days |
10-16 Weeks |
|
Browallia |
Bush violet |
Bright |
68-70° |
14-21 |
See Notes |
|
Buddleai davidii |
Butterfly Bush |
|
68-70° |
15-20 days |
|
|
Bupleurum rotundifolium |
Bupleurum |
Cover Lightly |
60° |
12-14 Days |
10-12 Weeks |
|
Calendula |
English Marigold, Pot Marigold |
Total Darkness, cover flat |
70° |
7-14 Days |
12-15 Weeks |
|
Callistephus chinensis |
Aster, china |
Some light |
70° |
10-14 days |
3-4months |
|
Campanula glomerata |
Clustered Bellflower |
Bright |
|
10-12 days |
|
|
Campanula Medium |
Canterbury bells, bell flower |
bright |
70° |
14-28 |
3 Months |
|
Canna |
Canna |
Cover Lightly |
70-75° |
8-12 Days |
12-16 Weeks |
|
Capsicum annuum |
Ornamental chilis |
Cover |
75-80° |
10-15 days |
|
|
Catananche |
Cupid’s Dart |
Cover Lightly |
70-72° |
10 Days |
13-21 Weeks |
|
Celosia |
Cockscomb, wheatstraw |
Cover Lightly |
70 to 75° |
5-10 Days |
|
|
Centaurea bella |
Bachelor Buttons |
Dark, cover 1/4″ |
|
|
|
|
Cerinthe |
Cerinthe |
1/4-1/2″ Deep |
65-70° |
10-15 Days |
10-12 Weeks |
|
Cheiranthus cheiri |
Wallflower |
Cover Lightly |
70° |
7-10 Days |
Same Year |
|
Chrysanthemum ptarmiciflorum |
Dusty Miller |
Do Not Cover |
68-70° |
10-15 Days |
No Blooms |
|
Cineraria |
Cineraria |
Do Not Cover |
75° |
14 Days-see Notes |
16 Weeks |
|
Clarkia |
Godetia, atlas flower, farewell-to-spring, satin flower |
Needs light |
|
|
|
|
Clematis |
Clematis |
|
|
|
|
|
Cleome |
Spider Flower, Cleome |
Bright |
55-72° |
15-20 |
7-12 Weeks |
|
Clitoria ternatea |
Pea Vine |
Cover Completely |
70° |
14-30 Days |
6-8 Weeks |
|
Cobaea Scandens |
Cathedral Bells, Cup and Saucer Vine |
|
65-75° |
21-30 |
|
|
Coix lacryma-jobi |
Job’s Tears |
|
70° |
|
|
|
Coleus scutellariodes |
Coleus |
Do Not Cover |
70° |
7-10 Days |
See Notes |
|
Consolida ambigua |
Rocket Larkspur |
Dark, cover 1/4″ |
55° |
20-30 days |
|
|
Coreopsis |
Coreopsis, Tickseed |
Cover 1/4″ |
70-75° |
5-10 Days |
3 Months |
|
Corydalis lutea |
Yellow Corydalis |
Do Not Cover |
See Notes |
|
|
|
Cosmos |
Cosmos, Mexican Aster |
Cover Lightly |
70-75° |
10-15 Days |
5-10 Weeks |
|
Crossandra |
Crossandra, Firecracker plant |
Do Not Cover |
75-80° |
25-30 Days |
4 Months |
|
Cuphea ignea |
Cigar Plant / Firecracker |
Do Not Cover |
70° |
12-15 Days |
15 Weeks |
|
Cynoglossum |
Chinese Forget-me-not |
See Notes |
See Notes |
See Notes |
|
|
Dahlia |
Dahlia |
bright |
68-70° |
5-10 Days |
|
|
Datura |
Devil’s Trumpet |
bright |
65-70° |
15-45 Days |
|
|
Delphinium |
Larkspur |
Do Not Cover |
60-65° |
15-21 Days |
10-12 Weeks |
|
Dianthus |
Carnation |
Cover Lightly |
68-70° |
7-17 Days |
10 Weeks |
|
Dianthus barbatus |
Sweet William |
Cover Lightly |
68-70° |
5-10 Days |
Next Season |
|
Diascia |
Twinspur, Diascia |
Cover Lightly |
65-70° |
10-30 Days |
12-16 Weeks |
|
Dichondra |
Dichondra, Ponysfoot, Kidneyweed |
Dark, cover 1/4″ |
72-76° |
4-6 Days |
No Blooms See Notes |
|
Digitalis |
Foxglove |
Do Not Cover |
65-70° |
9-15 Days |
2nd Year |
|
Doronicum |
Leopard’s Bane |
Do Not Cover |
70°/See Notes |
14 Days |
9-16 Weeks |
|
Dorotheanthus bellidiformis |
Livingstone Daisy, Ice Plant |
Total Darkness, cover flat |
|
|
|
|
Echinacea |
Coneflower |
Do Not Cover |
70-75° |
10-20 days |
|
|
Echinops |
Globe Thistle |
Do Not Cover |
68-75° |
15-20 Days |
16 Weeks |
|
Eryngium |
Giant Sea Holly |
Cover Lightly |
68-70° |
10-15 days |
16 Weeks |
|
Eschscholzia californica |
Poppy, California |
dark |
55-60° |
10-12 days |
45-60 Days |
|
Eucalyptus |
Eucalyptus, Gum tree |
Cover lightly |
75° |
? |
|
|
Euphorbia |
Snow-On-The-Mountain |
Plant 1/4″ |
65-70° |
20 Days |
8 Weeks(?) |
|
Eustoma grandiflorum |
Lisianthus, prairie gentian |
Cover Lightly |
78-80° |
10-20 Days |
20-26 Weeks |
|
Fritillaria meleagris |
Checkered Lilly/Guinea hen flower |
|
|
|
|
|
Gaillardia Grandiflora |
Blanket Flower, perennial |
Do not cover |
68-70° |
10-15 days |
|
|
Gaillardia Pulchella |
Blanket Flower, Annual |
Cover |
68-70° |
10-15 days |
|
|
Gazania rigens |
Gazania, treasure flower |
Total Darkness, cover flat |
58-62° |
10-14 Days |
10-15 Weeks |
|
Gerbera |
Gerbera Daisy |
Partial cover |
68-70° |
7-14 days |
|
|
Geum |
Avens |
Cover Lightly |
60-75° / See Notes |
12-30 Days |
Flowers Best 3rd Year |
|
Gloriosa |
Gloriosa lily, climbing lily, flame lily |
bright |
70-75° |
30-40 |
|
|
Gomphrena |
Globe Amaranth |
Dark, cover 1/4″ |
70° |
14 Days |
6-8 Weeks |
|
Gypsophila |
Baby’s Breath |
Do Not Cover |
70° |
6-10 Days |
8-12 Weeks |
|
Helenium aromaticum |
Yellow Dicks / Sneezeweed / |
Cover Lightly |
65-75° |
7-10 Days |
9-12 Weeks |
|
Helianthus annuus |
Sunflower |
|
70-75° |
|
|
|
Helichrysum |
Helichrysum, licorice plant |
|
|
|
|
|
Heliopsis |
Ox-Eye Daisy |
Cover Lightly |
70° |
10-14 Days |
See Notes |
|
Heliotropium |
Heliotrope |
Cover Lightly |
70-80° |
20 |
16 Weeks |
|
Hemerocallis |
Daylily |
|
|
See notes |
|
|
Heuchera |
Coral Bells |
Do Not Cover |
60-70° |
10 Days/See Notes |
Next Year |
|
Hibiscus cannabinus |
Kenaf, Brown Indian Hemp |
|
|
|
|
|
Hibiscus Moscheutos |
Hardy Hibiscus, rose mallow, swamp mallow |
|
|
|
|
|
Hibiscus rosa-sinensis |
Hibiscus, tropical |
|
|
|
|
|
Hippeastrum |
Amaryllis |
|
70-75° |
4-6 weeks |
|
|
Hypoestes phyllostachya |
Hypoestes |
Cover Lightly |
65-70° |
8-12 Days |
10-15 Weeks |
|
Iberis Umbellata |
Candytuft |
Some light |
|
|
|
|
Impatiens balsamina |
Balsam |
Cover Lightly |
80° |
10-20 Days |
10-12 Weeks |
|
Impatiens walleriana |
Impatiens |
Needs light |
70-75° |
15-20 Days |
12-14 Weeks |
|
Incarvillea |
Incarvillea Cheron, Delavi… |
Surface sow |
60-70° |
25-60 days |
|
|
Ipomoea |
Morning Glory |
Cover Lightly |
68-72° |
10-14 days |
3-11 Weeks |
|
Ipomoea carnea |
Morning Glory bush, badoh negro |
|
|
|
|
|
Ipomopsis rubra |
Standing Cypress |
|
|
|
|
|
Iresine herbsii |
Iresine/Chicken Gizzard |
Cover Lightly |
70-74° |
3-5 Days |
9-14 Weeks |
|
Iris |
Blue Flag |
|
|
|
|
|
Iris siberica |
Siberian Iris |
|
|
|
|
|
Iris Tectorum |
Japanese Roof Iris, root iris, wall iris |
|
|
|
|
|
Knautia Macedonica |
Knautia |
dark, cover 1/8″ |
55-72° |
15-30 days |
|
|
Kniphofia uvaria |
Red Hot Poker |
Plant 1/4″ |
65-70° |
10-20 Days |
12-20 Weeks |
|
Kosteletzkya virginica |
Seashore Mallow, Salt Marsh mallow |
|
73° |
14 days |
|
|
Lablab purpueus |
Hyacinth Bean |
Do Not Cover |
68-72° |
8-10 Days |
2-4 Weeks |
|
Lady Bells |
Adenophora Bulleyana |
Needs light |
68° or (55-60°) |
1 to 4 months |
|
|
Lagerstroemia |
Crape Myrtle |
|
|
|
|
|
Lathyrus odoratus |
Sweet Pea |
Dark, cover 1/4″ |
65-70° |
7-21 days |
10-16 Weeks |
|
Lavandula angustifolia |
Lavender |
Do Not Cover |
70° |
15-20 Days |
|
|
Lavatera |
Tree Mallow |
Dark, cover 1/4″ |
70-75° |
10-20 Days |
10-12 Weeks |
|
Leucanthemum x superbum |
Daisy, Shasta |
Bright light |
68-70° |
10-14 days |
20-26 Weeks |
|
Liatris |
Gayfeather, Blazing Star |
Cover |
55° alt w/ 72° |
15-20 days |
|
|
Linaria |
Linaria |
Cover Lightly |
65-68° |
2-4 Days |
8-10 Weeks |
|
Lobelia |
Lobelia |
Do Not Cover |
70-75° |
5-20 Days |
12 Weeks |
|
Lobularia maritima |
Alyssum, Sweet |
Needs light |
65-70° |
8-15 days |
6-9 Weeks |
|
Luffa Cylindrica |
Luffa Sponge |
Plant 1.5″ Deep |
68-72° |
|
|
|
Lupinus texensis |
Texas Bluebonnet |
|
|
|
|
|
Lychnis coronaria |
Bloody Mary, Bloody William, Dusty Miller, Lychnis, Mullein Pinks, Rose Campion |
Some light |
68-70° |
10-25 Days |
|
|
Malva Sylvestris |
Mallow, French Hollyhock |
|
70-75° |
15-21 days |
|
|
Mandevilla laxa |
Chilean Jasmine |
Just cover |
65-75° |
14-30 days |
|
|
Matthiola incana |
Stock |
Needs light |
60-64°/see notes |
10-14 days |
14 Weeks |
|
Melampodium paludosum |
Blackfoot |
Cover Lightly |
65° |
7-10 Days |
8-11 Weeks |
|
Mimulus |
Monkey Flower |
Bright light |
68-86° |
10-21 days |
12-16 Weeks |
|
Mirabilis |
Four O’clock |
Bright light |
64-68° |
7-21 days |
|
|
Moluccella laevis |
Bells Of Ireland – WS. |
Do Not Cover |
60° |
20-35 Days |
8-10 Weeks |
|
Monarda didyma |
Bee Balm |
Do Not Cover |
60° See Notes |
15-20 Days |
16 Weeks |
|
Myosotis |
Forget-Me-Nots |
Cover Lightly |
65-70° |
14-30 days |
9-13 Weeks |
|
Nemesia |
Nemesia |
Cover Lightly |
65-70° |
5-15 Days |
11-14 Weeks |
|
Nemophila |
Baby blue eyes |
Dark, cover 1/4″ |
|
|
|
|
Nepeta |
Catmint |
|
|
|
|
|
Nerium oleander |
Oleander |
Cover Lightly |
|
|
|
|
Nicotiana |
Flowering Tobacco, jasmine tobacco |
Do Not Cover |
70° |
10-15 Days |
12-14 Weeks |
|
Nierembergia |
Nierembergia |
Cover Lightly |
70-75° |
10-30 Days |
10-16 Weeks |
|
Nigella |
Love-in-a-mist, fennel flower, spanish fennel |
bright |
55-70° |
10-15 Days |
|
|
Nolana |
Nolana |
|
|
|
|
|
Ocimum |
Basil |
|
|
|
|
|
Origanum |
Marjoram |
|
|
|
|
|
Origanum |
Oregano |
|
|
|
|
|
Osteospermum |
African Daisy |
Some light |
65-75° |
10-15 Days |
11-16 Weeks |
|
Papaver Atlanticum |
Poppy, Spanish |
Surface sow |
59-68° |
2-6 weeks |
|
|
Papaver orientale |
Poppy, Oriental |
Surface sow |
55-60° |
10-21 days |
|
|
Papaver somniferum |
Poppy, Blue Bread seed |
Surface sow |
|
|
|
|
Pelargonium |
Geranium |
bright |
70-75° |
5-15 Days |
|
|
Pennisetum glaucum |
Millet, Ornamental |
Cover Completely |
72-78° |
3-5 Days |
No Blooms |
|
Penstemon |
Penstemon, beard tongue |
Surface sow |
55-65° |
18-36 Days |
|
|
Penstemon digitalis |
Foxglove Penstemon |
|
|
|
|
|
Pentas lanceolata |
Star flower, egyptian star cluster |
Do Not Cover |
72-77° |
15-40 Days |
14-20 Weeks |
|
Perovskia |
Russian Sage |
Cover Completely |
68-72° |
21-28 Days |
26-30 Weeks |
|
Petunia |
Petunia |
bright |
70-75° |
7-21 Days |
|
|
Phacelia |
Phacelia |
|
|
|
|
|
Phlox drummondii |
Phlox Annual |
Total Darkness, cover flat |
60-60° |
10-15 Days |
12 Weeks |
|
Phlox paniculata |
Phlox, tall garden |
|
|
|
|
|
Phygelius capensis |
Cape Fuchsia |
|
70-75° |
10-14 Days |
12 Weeks (?) |
|
Platycodon |
Balloon Flower |
Do Not Cover |
65-75° |
10-20 Days |
12-20 Weeks |
|
Plectranthus |
Cuban oregano, Spanish thyme |
Do Not Cover |
68-75° |
7-10 Days |
13-16 Weeks |
|
Porphyrocoma pohliana |
Brazilian Fireworks |
Cover Lightly |
65-75° |
5-10 Days |
15-20 Weeks |
|
Portulaca |
Purslane, Moss rose |
Needs light |
|
|
|
|
Primula |
Primrose |
Do not cover |
59-66° |
30-45 days |
18-22 Weeks |
|
Ptilotus exaltus |
Ptilotus |
Do Not Cover |
75-79° |
7-10 Days |
12-16 Weeks |
|
Ratibida columnifera |
Mexican Hats |
Plant 1/16″ deep |
68-75° |
20-40 days |
|
|
Reseda odorata |
Mignonette |
|
|
|
|
|
Rudbeckia |
Black-Eyed Susan |
Needs light |
|
|
|
|
Rudbeckia |
Gloriosa Daisy (Annual) |
Cover Lightly |
70° |
5-10 Days |
12-16 Weeks |
|
Ruellia brittoniana |
Desert petunia, Mexican Petunia, florida bluebells |
do not cover |
66-75° |
|
|
|
Salpiglossis |
Painted Tongue |
Don’t Cover seed-See Notes |
80° |
15-20 Days |
10-12 Weeks |
|
Salvia |
salvia, sage |
Do Not Cover |
|
7-14 Days |
12-14 Weeks |
|
Sanvitalia procumbens |
Creeping Zinnia |
Do Not Cover |
68-70° |
10-20 Days |
9-10 Weeks |
|
Saxifrage x arendsil |
Saxifrage |
Do Not Cover |
70° |
15 Days |
3-6 Months |
|
Scabiosa |
Scabiosa, pincushion flower |
Cover Lightly |
65-78° |
15-25 Days |
12-18 Weeks |
|
Schizanthus pinnatus |
Poor Man’s Orchid |
Total Darkness, cover flat |
|
|
|
|
Schizanthus wisetonensis |
Poor Man’s Orchid |
Cover Completely |
60° |
7-14 Days |
10-12 Weeks |
|
Sidalcea |
Checker mallow, false Mallow, Miniature hollyhock, prairie mallow |
Cover lightly (1/8″) |
50° |
14-42 days |
|
|
Solenostemon |
Coleus, Painted nettle |
Needs light |
|
|
|
|
Spilanthes oleracea |
Eyeball Plant, toothache plant, Para cress |
Do Not Cover |
72-76° |
10-12 days |
11-13 Weeks |
|
Statice |
Statice |
Cover Completely |
70° |
10-15 Days |
10-16 Weeks |
|
Stephanotis |
Jasmine |
bright |
75-80° |
1-3 months |
|
|
Sutera cordata |
Bacopa |
Do Not Cover |
68-74° |
5-10 Days |
8-13 Weeks |
|
Symphyotrichum |
Aster |
|
|
|
|
|
Tagetes |
Marigold |
Barely Cover |
70-75° |
5-7 Days |
6-8 Weeks |
|
Talinum |
Jewels of Opar |
Do Not Cover |
65-75° |
15-25 Days |
9-10 Weeks |
|
Tanacetum coccineum |
Painted Daisy |
Cover Lightly |
55° |
20-25 Days |
2 Years |
|
Tanacetum parthenium |
Feverfew |
Cover Lightly |
60-65° |
7-10 Days |
22-23 Weeks |
|
Tanacetum vulgare |
Tansy |
|
|
|
|
|
Tecoma Stans |
Yellow Bells |
Cover Lightly |
68-74° |
5-10 Days |
12-16 Weeks |
|
Teucrium chamaedrys |
Germander |
Do Not Cover |
See Notes |
25-30 Days |
|
|
Thallictrum aquilegifolium |
Meadow Rue |
|
|||
