Code of Maryland Regulations › Title 15 - MARYLAND DEPARTMENT OF AGRICULTURE › Subtitle 08 - TURF AND SEED › Chapter 15.08.01 - Maryland Seed Law › Section 15.08.01.12 - Minimum Germination Standards

Current through Register Vol. 51, No. 14, July 12, 2024
A. Vegetable.
Kind of Seed
Minimum * Germination (Percent)
All other kinds
50
Anise
50
Artichoke
60
Asparagus
70
Asparagusbean
75
Basil, sweet
60
Beans, garden
70
Beans, lima
70
Beans, runner
75
Beet
65
Borage
70
Broadbean
75
Broccoli
75
Brussels sprouts
70
Burdock, great
60
Cabbage
75
Caraway
55
Cardoon
60
Carrot
55
Cauliflower
75
Celeriac
55
Celery
55
Chervil
65
Chicory
65
Chives
50
Citron
65
Collards
80
Coriander
70
Corn, pop
75
Corn, sweet
75
Cornsalad (Fetticus)
70
Cowpea
75
Cress (garden)(upland)
60
Cress (water)
40
Cucumber
80
Dandelion
60
Dill
60
Eggplant
60
Endive
70
Fennel, Florence
60
Fennel, sweet
50
Kale
75
Kale, Chinese
75
Kohlrabi
75
Leek
60
Lettuce
80
Marjoram, sweet
50
Muskmelon (cantaloupe)
75
Mustard, India
75
Mustard, spinach
75
Okra
50
Onion
70
Onion, Welsh
70
Oregano
60
Pak-choi
75
Parsley
60
Parsnip
60
Pea
80
Peanut
60
Pepper
55
Pe-tsai or Chinese Cabbage
75
Pumpkin
70
Radish
75
Rhubarb
60
Roquette
60
Rosemary
30
Rutabaga
75
Sage
60
Salsify
75
Savory, summer
55
Sorrel
60
Soybean
75
Spinach (except New Zealand)
60
Spinach (New Zealand)
40
Squash
75
Swiss Chard
65
Thyme
50
Tomato
75
Tomato, husk
50
Turnip
80
Watermelon
70
- *(Exclusive of Hard Seed)
B. Flower.
Kind of Seed
Minimum * Germination (Percent)
All other kinds
50
Achillea (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.
						  saxatile)
60
Amaranthus (Amaranthus spp.)
65
Anagalis (pimpernel) (Anagalis arvensis, Anagalis
						  coerulea, Anagalis monelli)
60
Anemone (Anemone coronaria, A. pulsatilla)
55
Angel's trumpet (Datura arborea)
60
Arabis (Arabis alpina)
60
Arctotis (Africian lilac daisy) (Arctotis grandis)
45
Armeria (Armeria formosa)
55
Asparagus, fern (Asparagus setaceus)
50
Asparagus, sprenger (Asparagus sprengeri)
55
Aster, China (Callistephus chinensis), except Pompon,
						  Powderpuff, and Princess types
55
Aster, China (Callistephus chinensis), Pompon,
						  Powderpuff, and Princess types
50
Aubrieta (Aubrieta deltoides)
45
Balsam (Impatiens balsamina)
70
Begonia (Begonia fibrous rooted)
60
Begonia (Begonia tuberous rooted)
50
Bells of Ireland (Moluccella laevis)
60
Brachycome (Swan River daisy) (Brachycome
						  iberidifolia)
60
Browallia (Browallia elata and B. speciosa)
65
Buphthalmum (sunwheel) (Buphthalmum 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
Cup and Saucer bellflower (Campanula medium
						  calycanthema
60
Carpathian bellflower (Campanula carpatica)
50
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:
(Centaurea americana)
Dusty Miller (C. candidissima)
Royal centaurea (C. imperialis)
Sweet sultan (C. moschata)
Velvet centaurea (C. gymnocarpa)
60
Cerastium (snow-in-winter) (Cerastium blebersteini and C.
						  tomentosum)
65
Chinese forget-me-not (Cynoglossumamabile)
55
Chrysanthemum, annual (Chrysanthemum carinatum, C.
						  coronarium, C. segetum
50
Cineraria (Senecio cruentus)
60
Clarkia (Clarkia elegans)
65
Cleome (Cleome gigantea)
65
Coleus (Coleus blumeix hybridus)
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. sulphureus)
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,
and other hybrids of D. elatum
55
Dianthus:
Carnation (Dianthus caryophyllus)
60
China pinks (Dianthus chinesis, Heddewigi,
						  Heddensis)
70
Grass pink (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
Doronicum (leopard's bane) (Doronicum caucasicum)
60
Dracena (Dracaena indivisa)
55
Dragon tree (Dracaena draco)
40
English daisy (Bellis perennis)
55
Flax:
60
Golden flax (Linum flavum)
Flowering flax (L. grandiflorum)
Perennial flax (L. perenne)
Flowering maple (Abutilon)
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
Gloriosa daisy (rudbeckia) (Echinaceapurpurea and
						  Rudbeckia hirta)
60
Gloxonia (Sinningia speciosa)
40
Godetia Godetia amoena, G. grandiflora
65
Gourds: yellow-flowered (Cucurbita pepo); white-flowered
						  (Lagenaria siceraria); dishcloth (Luffa aegyptiaca)
70
Gypsophila: annual baby's breath (Gypsophila 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
Hunnemannia (Mexican tulip poppy) (Hunnemannia
						  fumariifolia)
60
Hyacinth bean (Dolichos lablab)
70
Impatiens (Impatiens wallerana)
55
Ipomoea: cypress vine (Ipomoea quamoclit); moonflower (I.
						  noctifloral) morning glories, cardinal climber, hearts and honey vine (Ipomoea
						  spp.)
*75
Jerusalem cross (Maltese cross) (Lychinis
						  chalcedonica)
70
Job's tears (Coix lacryma-jobi)
70
Kochia (Kochia childsi)
55
Larkspur, annual (Delphinium ajacis)
60
Lantana (Lantana camara, L. hybrids)
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 alata, N. sanderae, N.
						  sylvestris)
65
Nierembergia (Nierembergia spp.)
55
Nigella (Nigella damascena)
55
Pansy (Viola tricolor)
60
Penstemon (Penstemon barbatus, P. grandiflorus, P.
						  laevigatus, P. pupescens)
60
Petunia (Petunia spp.)
45
Phacelia (Phacelia campanularia, P. minor, P.
						  tanacetifolia)
65
Phlox, annual (Phlox drummondi) all types and
						  varieties
55
Physalis (Physalis spp.)
60
Platycodon (ballon flower) (Platycodon grandiflorum)
60
Plumbago, cape (Plumbago capensis)
50
Ponytail (Beaucarnea recurvata)
40
Poppy: Shirley (Papaver rhoeas); Iceland (P. nudicaule);
						  Oriental (P. orientale); Tulip (P. glaucum)
60
Portulaca (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) (Salvia farinacea)
50
Saponaria (Saponaria ocymoides, S.vaccaria)
60
Scabiosa, annual (Scabiosa atropurpurea)
50
Scabiosa, perennial (Scabiosa caucasica)
40
Schizanthus (Schizanthus spp.)
60
Sensitive plant (mimosa) (mimosa pudica)
*65
Shasta daisy (Chrysanthemum maximum, C.
						  leucanthemum)
65
Silk oak (Grevillea robusta)
25
Smilax (Asparagus asparagoides)
25
Snapdragon (Antirrhinum spp.)
55
Solanum (Solanum spp.)
60
Statice (flower heads) (Statice sinuata, S.
						  suworonii)
50
Stocks: common (Matthiola incana); evening scented
						  (Matthiola 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 (Machaeranthera tanacetifolia)
60
Thunbergia (Thunbergia alata)
60
Torch flower (Tithonia speciosa)
70
Torenia (wishbone flower) (Toreniafournieri)
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
Zinnia (except linearis and creeping) (Zinnia
						  angustifolia, Z. elegans, Z. grandiflora, Z. gracillima, Z. haegeana, Z.
						  multiflora, Z. pumilla)
65
Zinnia, linearis and creeping (Zinnia linearis,
						  (Sanvitalia procumbens)
50
-
*(Including hard seed)
C. Agricultural and Lawn and Turf Seeds.
Kind of Seed
Minimum Germination (Percent) Certified
						  Seed
Minimum Germination (Percent) Non-Certified
						  Seed
Alfalfa
*80
*53
Barley
85
56
Bentgrass
80
53
Bluegrass, Canada
75
50
Bluegrass, Kentucky
75
50
Bluegrass, wood
75
50
Brome, field
80
53
Brome, smooth
80
53
Broomcorn
80
53
Buckwheat
80
53
Canarygrass
75
50
Clover, alsike
*85
*56
Clover, crimson
*85
*56
Clover, ladino
*85
*56
Clover, red
*85
*56
Clover, white
*85
*56
Corn, field
90
70
Cowpea
80
53
Crown vetch
*65
*43
Fescue, Chewings
80
53
Fescue, meadow
80
53
Fescue, red
80
53
Fescue, tall
80
53
Flax
85
56
Lespedeza, Korean
*80
*53
Lespedeza, sericea or Chinese
*80
*53
Lespedeza, striate
*80
*53
Lovegrass
75
50
Millet, browntop
70
46
Millet, foxtail
70
46
Millet, Japanese
70
46
Millet, pearl
70
46
Oat
85
56
Orchardgrass
80
53
Poa trivialis
75
50
Rape, annual
80
53
Redtop
80
53
Rye
70
40
Ryegrass, annual
80
53
Ryegrass, perennial
80
53
Ryegrass, tetraploid
80
53
Ryegrass, intermediate
80
53
Sorghum
80
53
Sorghum x sudangrass hybrid
80
53
Soybean
80
53
Sudangrass
80
53
Sunflower
85
56
Sweet clover
*80
53
Timothy
80
53
Tobacco
80
53
Trefoil, birdsfoot
*80
*53
Vetch, common
*80
*50
Vetch, hairy
*80
*53
Wheat
85
56
-
* (Including Hard Seed)