SISKIYOU SEEDS

Germination Guide - Flowers

Germination
Annual Requires
Temperature Days to Stratification
Flowers Perennial Light to Special Treatments
Optimum Germination to Germinate
Biennial Germinate
Range

Amaranth Annual 60-80 3-8 No

Ammobium Perennial 65-70 4-8 Some
Annual 60-85 3-8 No barely cover seeds with soil
Aster or vermiculite
Annual 70-75 7-14 Some barely cover seeds with soil
Baby's Breath or vermiculite
Bachelor’s Annual 65-80 3-8 No
Buttons
Basketflower Annual 55-70 7-21 No
Bells of Ireland Annual 60-75 5-14 No
Annual 60-75 7-14 No cold- 2 weeks can benefit from
Borage scarification
Broomcorn Annual 60-75 3-8 No
Bunny Tails, Annual 65-75 10-21 No
grass
Annual 60-70 14-28 Some barely cover seeds with soil
Bupleurum or vermiculite
Annual/ Can 55-75 3-8 No
Calendula Perennialize
Campanula Perennial 65-60 14-21 Some tamp seeds into soil surface
Annual 55-80 3-8 Some barely cover seeds with soil
Celosia or vermiculite
half hardy 65-85 5-21 No soak seeds overnight for
Cerinthe perennial best results
Clarkia Annual 65-70 7-10 Yes tamp seeds into soil surface
Chinese Forget Annual 65-90 3-10 No
Me Not
Cleome Annual 65-85 5-14 No direct sow
Coreopsis Annual 50-75 7-14 Some
Perennial 65-70 7-21 Some cold 3-4 weeks cover seeds lightly with
Columbine (not vermiculite
necessary)
Cosmos Annual 60-85 3-7 No
Dame’s Rocket Annual 70-75 7-21 Yes tamp seeds into soil surface
Perennial 50-80 5-10 Some barely cover with soil or
Daisy vermiculite
Dahlia (seed) Annual 55-75 3-8 No
Echinops Perennial 65-70 7-10 No
Eryngium, Perennial 70-75 7-10 Yes tamp seeds into soil surface
Glitter Mix

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 Germination Guide - Flowers
Germination
Annual Requires
Temperature Days to Stratification
Flowers Perennial Light to Special Treatments
Optimum Germination to Germinate
Biennial Germinate
Range

Perennial 55-70 5-10 No can benefit from

Euphorbia scarification
Perennial 60-85 5-10 Some barely cover with soil or
Feverfew vermiculite
Perennial 70-85 5-10 Some barely cover with soil or
Gaillardia vermiculite
Geum, Double Perennial 65-70 14-28 Yes tamp seeds into soil surface
Red Flower
Globe Amaranth Annual 60-80 3-8 No
Biennial/ 55-75 3-10 No scarify seeds lightly or soak
Hollyhock Perennial overnight before planting
Lambs Ears Perennial 65-75 14-28 Yes tamp seeds into soil surface
Larkspur Annual 40-55 14-48 No cold 4 weeks
Perennial 65-75 14-28 Some cold 3 weeks barely cover with soil or
Lavender vermiculite
Perennial Zone 65-75 14-21 No
Lion's Ear 9-11
Marigold Annual 60-80 3-10 No
Perennial 65-75 7-10 No cold 2-4 weeks soak seeds before planting
Milkweed or cold stratify
Money Plant, Annual 65-75 7-14 No
Lunaria
Moonflower, Annual 75-85 7-21 No scarify before planting or
Datura, Annual soak in hot water overnight
Morning Glory, Perennial Zone 65-85 7-14 No
Sunrise Blend 9-11
Annual 60-65 7-12 No soak seeds overnight before
Nasturtium planting
Nicotiana, orna- Annual 70-85 10-14 Yes tamp seeds into soil surface
mental
Nigella Annual 60-85 4-10
Obedient Plant, Perennial 65-75 10-30 Yes barely cover with soil or
Crystal Peak vermiculite
Orlaya, Annual 60-65 7-21 No cold 7-14 days
White Finch
Annual 50-75 7-21 Some barely cover with soil, scari-
Pennycress fy lightly before planting
Annual 40-70 7-14 Some barely cover with soil, scari-
Phacelia fy lightly before planting
Annual 40-75 5-14 Some direct sow in fall or late
Poppy winter, barely cover with soil
Annual 55-75 4-10 Some cold 4 weeks lightly cover with soil or
Rudbeckia vermiculite

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 Germination Guide - Flowers
Germination
Annual Requires
Temperature Days to Stratification
Flowers Perennial Light to Special Treatments
Optimum Germination to Germinate
Biennial Germinate
Range

Annual 65-75 7-21 Some barely cover seeds with soil

Russian Statice or vermiculite
Safflower, Annual 65-75 7-14 No allow top of soil to dry
Orange between waterings
Annual 70-75 10-14 Some barely cover seeds with soil
Salvia or vermiculite
Scabiosa Perennial 55-75 5-14 No
Schizanthus, Perennial 60-70 7-21 No
Angel's Wings
Perennial 55-70 7-14 Some cold 1 week press into soil surface,
Snapdragon lightly cover
Sneezeweed, Perennial 65-75 14-41 Some press into soil surface,
Helena Mix lightly cover
Annual 60-85 5-10 Some barely cover seeds with soil
Strawflower or vermiculite
Sunflower Annual 60-80 3-10 No direct sow
Annual 55-75 5-10 No soak seeds overnight before
Sweet Pea planting
Sweet Williams Perennial 55-75 5-10 No
Annual 60-75 5-10 Some barely cover seeds with soil
Tithonia, Torch or vermiculite
Annual 65-7- 7-21 Yes press into soil surface,
Xeranthemum lightly cover
Veronica, Perennial 60-70 14-41 Some press into soil surface,
Sightseeing Mix lightly cover
Perennial 55-75 7-14 Some press into soil surface,
Yarrow lightly cover
Zinnia Annual 60-80 4-7 No