Rule 901:5-27-08 | Flower seed minimum germination standards.
The minimum germination standards for seeds offered for sale in Ohio are:
| Kind of flower seed | minimum per cent germination |
| Archillea (the Pearl) - Achillea ptarmica | 50 |
| African Daisy - Dimorphotheca aurantiaca | 55 |
| African Violet - Saintpaulia spp | 30 |
| Ageratum - Ageratum mexicanum | 60 |
| Agrostemma (rose campion) - Agrostemma coronaria | 65 |
| Alyssum - Alyssum compactum, A. maritimum, A. procumbens A. saxatile | 60 |
| Amaranthus - Amaranthus spp | 65 |
| Anagalis (primpernel) - A. arvensis, A. coerulia, A. grandiflora | 60 |
| 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 sprengeri | 55 |
| Aster, China - Callistephus chinensis; except Pompon, Powderpuff, & Princess types | 55 |
| Aster, China - Callistephus chinensis; Pompon, Powderpuff, & Princess types | 50 |
| Aubretia - Aubretia deltoides | 45 |
| Baby Smilax - Aparagus asparagoides | 25 |
| Balsam - Impatiens balsamina | 70 |
| Begonia - (Begonia fibrous rooted) | 60 |
| Begonia - (Begonia tuberous rooted) | 50 |
| Bells of Ireland - Molucella laevis | 60 |
| Brachycome (swan river daisy) - Brachycome iberidifolia | 60 |
| Browallia - Browallia elata and B. speciosa | 65 |
| Bupthalum (sunwheel) - Buphthalum salicifolium | 60 |
| Calceolaria - Calceolaria spp | 60 |
| Calendula - Calendula officinalis | 65 |
| California Poppy - Eschscholtzia californica | 60 |
| Calliopsis - Coreopsis bicolor, C. drummondi, C. elegans | 65 |
| Campanula: Canterbury Bells - Campanula medium | 60 |
| Campanula: Cup and Saucer Bellflower - Campanula medium calycanthema | 60 |
| Campanula: Carpathian Bellflower - Campanula carpatica | 50 |
| Campanula: Peach Bellflower - Campanula persicifolia | 50 |
| Candytuft, annual - Iberis amara, I. umbellata | 65 |
| Candytuft, perennial - Iberis gibraltarica, I. sempervirens | 55 |
| Castor Bean - Ricinus communis | 60 |
| Cathedral Bells - Cobaea scandens | 65 |
| Celosia - Celosia argentea | 65 |
| Centaurea: Basket Flower - C. americana; Cornflower - C. cyanus; | 60 |
| Centaurea: Dusty Miller - C. candidissima, Royal Centaurea - C. imperialis; Sweet Sultan - C. moschata; Velvet Cantaurea - C. gymnocarpa | 60 |
| Cerasium (snow-in-summer) Cerastium biebersteini and C. tomentosum | 65 |
| Chinese Forget-me-not - Cynoglossum amabile. | 55 |
| Chrysanthemum, annual - Chrysanthemum carinatum, C.coronarium, C. Cineraria - Senecio cruentus | 60 |
| Clarkia - Clarkia elegans | 65 |
| Cleome - Cleome gigantea | 65 |
| Coleus - Coleus blumei | 65 |
| Columbine - Aquilegia spp | 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 Sulphureau | 65 |
| Crossandra - (Crossandra infundibuliformis) | 50 |
| Dahlia - Dahlia spp | 55 |
| Daylily - Hemerocallis spp | 45 |
| Delphinium, Perennial- Belladonna and Bellamosum types; Cardinal Larkspur - Delphinium cardinale; Chinensis types; Pacific Giant, Gold Medal &.other hybrids of D. elatum. | 55 |
| Dianthus: Carnation - D.caryophyllus | 60 |
| Dianthus: China Pinks - D. chinensis, heddewigi, heddensis | 70 |
| Dianthus: Grass Pinks - D. plumarius | 60 |
| Dianthus: Maiden Pinks - D.deltoides | 60 |
| Dianthus: Sweet William - D. barbatus | 70 |
| Dianthus: Sweet Wivelsfield - D. allwoodi | 60 |
| Didiscus - (blue lace flower) - Didiscus coerulea | 65 |
| Doronicum (leopard's bane) - Doronicum caucasicum | 60 |
| Dracaena - Dracaena indivisa | 55 |
| Dragon Tree - Dracaena draco | 40 |
| English Daisy - Bellis perennis | 55 |
| Flax - Golden flax (Linum flavum); Flowering flax L. randiflorum; Perennial flax, L. perenne | 60 |
| Flowering Maple - Abutilon spp | 35 |
| Foxglove - Digitalis spp | 60 |
| Gaillardia, annual - Gaillardia pulchella; G. picta; Perennial - G. grandiflora | 45 |
| Gerbera (transvaal daisy) - Gerbera jamesoni | 60 |
| Geum - Geum spp | 55 |
| Gilia - Gilia spp | 65 |
| Glosiosa daisy (rudbeckia) - Echinacea purpurea and Rudbeckia hirta | 60 |
| Gloxinia - (Sinningia speciosa) | 40 |
| Godetia - Godetia amoena, G. grandiflora | 65 |
| Gourds: Yellow Flowered - Cucurbita pepo; White Flowered - Lagenaria sisceraria; Dishcloth - Luffa cylindrica | 70 |
| Gypsophila: annual Baby's Breath - G. elegans; Perennial Baby's Breath - G. paniculata, G. pacifica G. repens | 70 |
| Helenium - Helenium autumnale | 40 |
| Helichrysum - Helichrysum monstrosum | 60 |
| Heliopsis - Heliopsis scabra | 55 |
| Heliotrope - Heliotropium spp | 35 |
| Helipterum (Acroclinium) Helipterum roseum | 60 |
| Hesperis (sweet rocket) - Hesperis matronalis | 65 |
| *Hollyhock - Althea rosea | 65 |
| Hunnemania (mexican tulip poppy) - Hunnemania fumariaefolia | 60 |
| Hyacinh bean - Dolichos lablab | 70 |
| Impatiens - Impatiens hostii, I. sultani | 55 |
| *Ipomea - Cypress Vine - I. quamoclit; Moonflower - I. noctiflora; Morning Glories, Cardinal Climber, Hearts and Honey Vine -Ipomea spp | 75 |
| Jerusulem cross (maltese cross) - Lychnis chalcedonica | 70 |
| Job's Tears - Coix lacrymajobi | 70 |
| Kochia - Kochia childsi | 55 |
| Larkspur, annual - Delphinium ajacis | 60 |
| Lantana - Lantana camara, L. hybrida | 35 |
| Lilium (regal lily) - Lilium regale | 50 |
| Linaria - Linaria spp | 65 |
| Lobelia, annual - Lobelia erinus | 65 |
| Lunaria, annual - Lunaria annua | 65 |
| *Lupine - Lupinus spp | 65 |
| Marigold - Tagetes spp | 65 |
| Marvel of Peru - Mirabilis jalapa | 60 |
| Matricaria (feverfew) - Matricaria spp | 60 |
| Mignonette - Reseda odorata | 55 |
| Myosotis - Myosotis alpestris, M. oblongata, M. palustris | 50 |
| Nasturtium - Tropaeolum spp | 60 |
| Nemesia - Nemesia spp | 65 |
| Nemophila - Nemophila insignis | 70 |
| Nemophila, spotted - Nemophila maculata | 60 |
| Nicotiana - Nicotiana affinis, N. sanderae, N. sylvestris | 65 |
| Nierembergia - Nierembergia spp | 55 |
| Nigella - Nigella damascena | 55 |
| Pansy - Viola tricolor | 60 |
| Penstemon - Penstemon barbatus, P. grandflorus, P. laevigatus, P. pubescens | 60 |
| Petunia - Petunia spp | 45 |
| Phacelia - Phacelia campanularia, P. minor, P. tanacetifolia | 65 |
| Phox, annual - Phlox drummondi all types and varieties | 55 |
| Physalis - Physalis spp | 60 |
| Platycodon (balloon flower) - Platycodon grandiflorum | 60 |
| Plumbago, cape - Plumbago capensis | 50 |
| Ponytail - Beaucarnea recurvata | 40 |
| Poppy: Shirley Poppy - Papaver rhoeas; Iceland Poppy - P. nudicaule; Oriental Poppy - P. orientale; Tulip Poppy - P. glaucum | 60 |
| Portulace - Portulaca grandiflora | 55 |
| Primula (primrose) - Primula spp | 50 |
| Pyrethrum (painted daisy) - Pyrethrum coccineum | 60 |
| Salpiglossis - Salpiglossis gloxinaeflora, S. sinuata | 60 |
| Salvia - Scarlet Sage - Salvia splendens; Mealycup Sage (blue bedder) - S. farinacea | 50 |
| Saponaria - Saponaria ocymoides, S. vaccaria | 60 |
| Scabiosa, annual - Scabiosa atropurpurea | 50 |
| Scabiosa, perennial - Scabiosa caucasica | 40 |
| Schizanthus - Schizanthus spp | 60 |
| *Sensitive pant (mimosa) - Mimosa pudica | 65 |
| Shasta Daisy - Chrysanthemum maximum C. leucanthemum | 65 |
| Silk Oak - Grevillea robusta | 25 |
| Snapdragon - Antirrhinum spp | 55 |
| Solanum - Solanum spp | 60 |
| Statice - Statice sinuata, S. suworonii (flower heads) | 50 |
| Stocks: Common - Mathiola incana; Evening Scented - Mathiola bicornis | 65 |
| Sunflower - Helianthus spp | 70 |
| Sunrose - Helianthemum spp | 30 |
| *Sweet Pea, Annual and Perennial (other than dwarf bush - Lathyrus odoratus), L.latifolius | 75 |
| *Sweet Pea, dwarf bush - Lathyrus odoratus | 65 |
| Tahoka daisy - Machaeanthera tanacetifolia | 60 |
| Thunbergia - Thunbergia alata | 60 |
| Torcn Flower - Tithonia speciosa | 70 |
| Torenia (wishbone flower) - Torenia fournieri | 70 |
| Tritoma Kniphofia spp | 65 |
| Verbena, annual - Verbena hybrida | 35 |
| Vinca - Vinca rosea | 60 |
| Viola - Viola cornuta | 55 |
| Virginian stocks - Malcolmia maritima | 65 |
| Wallflower - Cheiranthus allioni | 65 |
| Yucca (Adam's needle) - Yucca filamentosa | 50 |
| Zinna (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 |
The germination standard for all other flower seed shall be fifty per cent.
* means that the minimum percentage for these species includes both the germination per cent and the hard seed per cent added together.
Last updated September 14, 2023 at 10:48 AM
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