Rule 10.
TABLE 2
FLOWER SEED GERMINATION STANDARDS
The percentage listed opposite each kind of flower seed is the germination standard for that kind. For the kinds of seed marked with an asterisk, the percentage is the total of percentage germination and percentage hard or dormant seed.
Seed Name | Percentage |
Achillea (The Pearl) - Achillea ptarmica ...... | 50 |
Adam's needle - Yucca filamentosa .......... | 50 |
African daisy - Dimorphoteca aurantiaca ..... | 55 |
African lilac daisy - Arctotis stoechadifolia. . . . | 50 |
African violet - Saintpaulia species .......... | 30 |
Ageratum - Ageratum mexicanum .......... | 60 |
Agrostemma (rose campion) - Agrostemma coronaria ..... | 65 |
Alyssum - Alyssum compactum, A. maritimum, | |
A. procumbens, A. saxatile ................ | 60 |
Amaranthus - Amaranthus species ........... | 65 |
Anagalis (pimpernel) - Anagalis arvensis, | |
Anagalis coerulia, Anagalis grandiflora ...... | 60 |
Anchusa - Two genera species: | |
Cape bugloss - Anchusa capensis | |
Italian bugloss - Anchusa azura | |
Forget-me-not - Brunnera macrophylla ....... | 50 |
Anemone - Anemone coronaria, A. pulsatilla ........ | 55 |
Angel's trumpet - Datura arborea ............ | 60 |
Arabis - Arabis alpina .................. 60 | |
Arctotis (African lilac daisy) - Arctotis grandis . . . . | 45 |
Armeria - Armeria formosa ............... | 55 |
Asparagus, fern - Asparagus plumosus ...... | 50 |
Asparagus, sprenger - Asparagus sprengerigeri ...... | 55 |
Aster, China - Callistephus chinensis; except Pompom, Powderpuff, and Princess types ........... | 55 |
Aubrieta - Aubrieta deltoides ............. | 45 |
Baby smilax - Asparagus asparagoides ........ | 25 |
Balloonvine - Cardiospermum halicacebum ......... | 50 |
Balsam - Impatiens balsamina ............... | 70 |
Beach evening primrose - Camissonia cheiranthifolia (Oenothera cheiranthifolia) .............. | 50 |
Begonia - (Begonia fibrous rooted) ......... | 60 |
Begonia - (Begonia tuberous rooted) ..... | 50 |
Bells of Ireland - Molucella laevis ......... | 60 |
Bellflower (Bluebells of Scotland) Campanula rotundifolia ....................... | 50 |
Bergamot - Monarda species .............. | 50 |
Black-eyed Susan - Rudbeckia hirta ........ | 50 |
Brachycome (Swan river daisy) - Brachycome iberidifolia | 60 |
Browallia - Browallia elata and B. speciosa . . | 65 |
Buphthalum (sunwheel) - Buphthalum salicifolium ..... | 60 |
Buttercup - Ranunculus species ........... | 50 |
Butterfly milkweed - Asclepias tuberosa . . . . | 50 |
Cactus - Cactaceae ................... | 50 |
Calceolaria - Calceolaria species .......... | 60 |
Calendula - Calendula officinalis .......... | 65 |
Californica poppy - Eschscholtzia californica.... | 60 |
Calliopsis - Coreopsis bicolor, C. drummondi,C. elegans | 65 |
Camomile, golden - Anthemis tinctoria ..... | 50 |
Camomile, St. John's - Anthemis sancti - johannis .... | 50 |
Campanula: | |
Canterbury bells - Campanula medium ........... | 60 |
Cup and saucer bellflower - Campanula medium calycanthema ............... | 60 |
Carpathian bellflower - Campanula carpatica....... | 50 |
Peach bellflower - Campanula persicifolia ........ | 50 |
Campion, clammy - Lychnis viscaria ....... | 50 |
Candytuft, annual - Iberis gibraltarica, I. umbellata....... | 65 |
Candytuft, perennial - Iberis amara, I. sempervirens....... | 55 |
*Castor bean - Ricinus communis .......... | 60 |
Cathedral bells - Cobaea scandens ......... | 65 |
Celosia - Celosia argentea ............... | 65 |
Centaurea: | |
Basket flower - Centaurea americana | |
Cornflower - C. cyanus | |
Dusty Miller - C. Candidissima | |
Royal centaurea - C. imperialis | |
Sweet sultan - C. moschata | |
Velvet centaurea - C. gymnocarpa ............ | 60 |
Cerastium (snow-in-summer) Cerastium biebersteini and | |
C. tomentosum ...................... 65 | |
Chinese forget-me-not - Cynoglossum amabile....... | 55 |
Chinese Houses - Collinsia heterophylla ......... | 50 |
Chrysanthemum, annual - Chrysanthemum carinatum, | |
C. coronarium, C. segetum ............... | 40 |
Cineraria - Senecio cruentus ............. | 60 |
Clarkia - Clarkia elegans ............... | 65 |
Cleome - Cleome gigantea ............... | 65 |
Coleus - Coleus blumei ................. | 65 |
Columbine - Aquilegia species ........... | 50 |
Coral bells - Heuchera sanguinea .......... | 55 |
Coreopsis, perennial - Coreopsis lanceolata . | 40 |
Corn, ornamental - Zea mays ............. | 75 |
Cosmos: | |
Sensation, mammoth, and crested types - Cosmos | |
bipinnatus | |
Klondyke type - C. sulphureus ............ | 65 |
Crossandra - Crossandra infundibuliformis ........ | 50 |
Cyclamen - Cyclamen africanum .......... | 50 |
Dahlia - Dahlia species ................. | 55 |
Dames rocket - Hesperis matronalis ....... | 50 |
Daylily - Hemerocallis species ............ | 45 |
Delphinium, perennial: | |
Belladonna and bellamosum types | |
Cardinal larkspur - Delphinium cardinale | |
Chinensis types | |
Pacific giant, gold medal and other hybrids of | |
D. elatum ....................... | 55 |
Devils claws - Probosicidea louisianica ..... | 50 |
Dianthus: | |
Carnation - Dianthus caryophyllus ......... | 60 |
China pinks - Dianthus chinensis, heddewigi,heddensis | 70 |
Grass pinks - Dianthus plumarius ......... | 60 |
Maiden pinks - Dianthus deltoides ......... | 60 |
Sweet William - Dianthus barbatus ........ | 70 |
Sweet Wivelsfield - Dianthus allwoodi ..... | 60 |
Didiscus - (blue lace flower) - Didiscus coerulea.... | 65 |
Dittany - Dictamus albus ................ | 50 |
Doronicum (leopard's bane) - Doronicum caucasicum...... | 60 |
Dracaena - Dracaena indivisa ............. | 55 |
Dragon tree - Dracaena draco ............. | 40 |
Edelweiss - Leontopodium alpinum ....... | 50 |
English daisy - Bellis perennis ........... | 55 |
Euphorbia, painted - Euphorbia heterophylla...... | 50 |
Evening primrose - Oenothera biennis, O. argillicola..... | 50 |
Everlasting pea - Lathyrus latifolius ....... | 50 |
Flame violet - Episcia species ............ | 50 |
Flax: | |
Golden flax, Linum flavum | |
Flowering flax, L. grandiflorum | |
Perennial flax, L. perenne ............... | 60 |
Fleece flower - Polygonum capitatum ..... | 50 |
Flowering maple - Abutilon species ....... | 35 |
Foxglove - Digitalis species ............. | 60 |
Fuschia - Fuschia species ............... | 50 |
Gaillardia: | |
Annual - Gaillardia pulchella, G. picta | |
Perennial - G. grandiflora ............... | 45 |
Gasplant - Distamus albus ............... | 50 |
Gayfeather (blazing star) - Liatris species .......... | 50 |
Gazania, pied - Gazania rigens ........... | 50 |
Geranium - Geranium species ............ | 50 |
Gerbera (transvaal daisy) - Gerbera jamesoni...... | 60 |
German violet - Exacum affine ........... | 50 |
Geum - Geum species .................. | 55 |
Gilia - Gilia species ................. | 65 |
Gladiolus - Gladiolus species ............ | 50 |
Globe amaranth - Gomphrena globosa ..... | 50 |
Globethistle, small - Echinops ritro ........ | 50 |
Gloriosa daisy (rudbeckia) - Echinacea purpurea and | |
Rudbeckia hirta .................... | 60 |
Gloxinia - Sinningia speciosa ............ | 40 |
Godetia - Godetia amoena, G. grandiflora...... | 65 |
Goldmoss sedum - Sedum acre ........... | 50 |
Gourds: | |
Yellow flowered - Cucurbita pepo | |
White flowered - Lagenaria sisceraria | |
Dishcloth - Luffa cyllindrica ............. | 70 |
Gypsophila: | |
Annual baby's breath - Gypsophila elegans | |
Perennial baby's breath - G. paniculata, G. pacifica, | |
G. repens ...................... | 70 |
Helenium - Helenium autumnale ............. | 40 |
Helichrysum (strawflower) - Helichrysum bracteatum..... | 60 |
Heliopsis - Heliopsis scabra ............. | 55 |
Heliotrope - Heliotropium species ........ | 35 |
Helipterum (acroclinium) - Helipterum roseum...... | 60 |
Hens and chickens - Sempervivum species....... | 50 |
Herb treemallow - Lavatera trimestris ..... | 50 |
Hesperis (sweet rocket) - Hesperis matronalis ..... | 65 |
Hibiscus - Hibiscus species .............. | 60 |
*Hollyhock - Althea rosea .............. | 65 |
Hunnemania (mexican tulip poppy) - Hunnemania | |
fumariaefolia | 60 |
*Hyacinth bean - Lablab purpureus ....... | 70 |
Impatiens - Impatiens holstii, I. sultani ..... | 55 |
*Ipomea: | |
Cypress vine - Ipomea quamoclit | |
Moonflower - I. noctiflora | |
Morning glories, cardinal climber, hearts and honey | |
vine - Ipomea species ............... | 75 |
Japanese Iris - Iris kaempferi ............ | 50 |
Jasmine primrose - Oenothera pallida ..... | 50 |
Jerusalem cross (maltese cross) - Lychnis chalcedonica..... | 70 |
Job's tears - Coix lacrymajobi ........... | 70 |
Jupiter's beard - Centranthus ruber ....... | 50 |
Kalanchoe - Kalanchoe blossfeldiana ..... | 50 |
Kochia - Kochia childsi ................ | 55 |
Larkspur, annual - Delphinium ajacis ..... | 60 |
Lamb's ear - Stachys byzantina .......... | 50 |
Lantana - Lantana camara, L. hybrida ..... | 35 |
Lemon mint - Monarda citriodora ........ | 50 |
Lilium (regal lily) - Lilium regale ........ | 50 |
Linaria - Linaria species ............... | 65 |
Livingstone daisy (iceplant) - Dorotheanthus belliformis | 50 |
Lobelia, annual - Lobelia erinus ......... | 65 |
Lunaria, annual - Lunaria annual ......... | 65 |
*Lupine - Lupinus species .............. | 65 |
Maltese cross - Lychnis coronaria ........ | 50 |
Marigold - Tagetes species ............. | 65 |
Marvel of Peru (four o'clock) - Mirabilis jalapa ...... | 60 |
Matricaria (feverfew) - Matricaria species ....... | 60 |
Mignonette - Reseda odorata ............ | 55 |
Monarch daisy - Venidium fastuosum ..... | 50 |
Mullein pink - Lynchnis coronaria ....... | 50 |
Myosotis - Myosotis alpestris, M. oblongata, | |
M. palustris ..................... | 50 |
Nasturtium - Tropaeolum species ........ | 60 |
Nemesia - Nemesia species ............. | 65 |
Nemophila - Nemophila insignis ......... | 70 |
Nemophila, spotted - Nemophila maculata ........ | 60 |
New England aster - Aster novae-angliae...... | 50 |
Nicotiana - Nicotiana affinis, N. sanderae, | |
N. sylvestris ..................... | 65 |
Nierembergia - Nierembergia species ...... | 55 |
Nigella - Nigella damascena ............. | 55 |
Oregon fleabane - Erigeron speciosus ...... | 50 |
Ozark sundrops - Oenothera macrocarpa, (Oenothera | |
missouriensis) .................... | 50 |
Pansy - Viola tricolor ................ | 60 |
Pearlwort - Sagina sabulata .............. | 50 |
Pearly everlasting - Anaphalis margaritacea...... | 50 |
Penstemon - Penstemon barbatus, P. grandiflorus, | |
P. laevigatus, P. pubescens .............. | 60 |
Peppermint - Mentha piperita ............. | 50 |
Periwinkle - Catharanthus roseus .......... | 50 |
Petunia - Petunia species ............... | 45 |
Phacelia - Phacelia campanularia, P. minor, | |
P. tanacetifolia ................... 65 | |
Phlox, annual - Phlox drummondi all types and varieties | 55 |
Physalis - Physalis species .............. | 60 |
Platycodon (balloon flower) - Platycodon grandiflorum | 60 |
Plumbago, cape - Plumbago capensis ........... | 50 |
Polka-dot plant - Hypoestes phyllostachya ....... | 50 |
Ponytail - Beaucarnea recurvata ............ | 40 |
Poppy: | |
Shirley poppy - Papaver rhoeas | |
Iceland poppy - P. nudicaule | |
Orientale poppy - P. orientale | |
Tulip poppy - P. glaucum ............... | 60 |
Portulaca - Portulaca grandiflora .......... | 55 |
Prairie coneflower - Ratibida columnifera ....... | 50 |
Prairie gentian - Eustoma grandiflorum ......... | 50 |
Primula (primrose) - Primula species .......... | 50 |
Purple coneflower - Echinacea purpurea ......... | 50 |
Purple loosetrife - Lythrum salicaria ....... | 50 |
Pyrethrum (painted daisy) - Pyrethrum coccineum | 60 |
Rock rose - Helianthemum nummularium ......... | 50 |
Rose campion - Lynchnis coronaria .......... | 50 |
Salpiglossis - Salpiglossis gloxinaeflora, S. sinuata | 60 |
Salvia: | |
Scarlet sage - Salvia splendens | |
Mealycup sage (blue bedder) - Salvia farinacea ......... | 50 |
Saponaria - Saponaria ocymoides, S. vaccaria ...... | 60 |
Scabiosa, annual - Scabiosa atropurpurea ..... | 50 |
Scabiosa, perennial - Scabiosa caucasica ....... | 40 |
Schizanthus - Schizanthus species ......... | 60 |
*Sensitive plant (mimosa) - Mimosa pudica ....... | 65 |
Shasta daisy - Chrysanthemum maximum, C. leucanthemum..... | 65 |
Silk oak - Grevillea robusta .............. | 25 |
Snapdragon - Antirrhinum species ........ | 55 |
Snow-on-the-mountain - Euphorbia marginata....... | 50 |
Solanum - Solanum species .............. | 60 |
Speedwell, Hungarian - Veronica austriaca ....... | 50 |
Speedwell, spike - Veronica spicata ....... | 50 |
Spiderflower - Cleome hasslerana ......... | 50 |
Statice - Statice sinuata, S. suworonii (flower heads) | 50 |
Stocks: | |
Common - Mathiola incana | |
Evening scented, Mathiola bicornis ........ | 65 |
Sunflower - Helianthus species ........... | 70 |
Sunflower, Inula - Inula grandiflora ....... | 50 |
Sunrose - Helianthemum species .......... | 30 |
Swan river daisy - Brachycome iberidifolia . | 50 |
*Sweet pea, annual and perennial other than dwarf bush | |
Lathyrus odoratus, L. latifolius ........... | 75 |
*Sweet pea, dwarf bush - Lathyrus odoratus ...... | .65 |
Sweet sultan - Amberboa moschata ........ | 50 |
Sweet William catchfly - Silene armeria ...... | 50 |
Tahoka daisy - Machaeanthera tanacetifolia ....... | 60 |
Tansy - Tanacetum vulgare .............. | 50 |
Texas bluebonnet - Lupdinus subcarnosus ...... | 50 |
Thunbergia - Thunbergia alata ............ | 60 |
Tidy tips daisy - Layia platyglossa ........ | 50 |
Tiger monkeyflower - Mimulus hybrids ...... | 50 |
Torch flower - Tithonia speciosa .......... | 70 |
Torenia (wishbone flower) - Torenia fournieri..... | 70 |
Transvaal daisy - Gerbera jamesoni ....... | 50 |
Tritoma (torch lily) - Kniphofia species........ | 65 |
Unicorn plant - Probosicides louisianica ........ | 50 |
Verbena, annual - Verbena hybrida ........ | 35 |
Vinca - Vinca rosea .................. | 60 |
Viola - Viola cornuta ................. | 55 |
Virginian stocks - Malcolmia maritime ..... | 65 |
Wallflower - Cheiranthus allioni; Erysimum x allionii | 65 |
Willowleaf oxeye - Buphthalmum salicifolium...... | 50 |
Wooly marigold - Baileya multiradiata ..... | 50 |
Yarrow - Achillea millefolium ........... | 50 |
Yucca (Adam's needle) - Yucca filamentosa . | 50 |
Zinnia (except Linearis and creeping) - Zinnia | |
angustifolia, Z. elegans, Z. grandiflora, Z. gracillima | , |
Z. haegeana, Z. multiflora, Z. pumila ...... | 65 |
Zinnia, Linearis and creeping - Zinnia linearis, | |
Sanvitalia procumbens ................. | 50 |
All other kinds .................... | 50 |
Mich. Admin. Code R. 285.715.10