Everything you need to know to grow a beautiful flower garden with the Seed Library. Helianthus Annual Planting: Sow directly outdoors after the last spring frost. Harvest Days: 110 Light: Sun Spacing: 18” Height: 24-144” Depth: ½” Water: 1” of water per week Germination: 7-21 days Notes: Wide mix of color and size; may require support. Agastache Foeniculum Perennial Planting: Sow directly outdoors after the last spring frost. Harvest Days: 90 days Light: Sun Spacing: 12”- 16” Height: 3’ Depth: ¼” Water: 1” of water per week Germination: 1 - 4 weeks Notes: Great in borders; deer resistant; freely self seeds. Centaurea Cyanus Annual Planting: For best outcome, sow directly outdoors after the last spring frost. For earliest blooms, begin indoors 6-8 weeks before the last spring frost. Harvest Days: 90 Light: Sun, partial shade Spacing: 9” Height: 24” Depth: ¼” Water: 1” of water per week. Germination: 14-21 days. Notes: Likes cool weather and prefers some shade. Rudbeckia Hirta Biennial Planting: sow directly outdoors about 6 weeks before the last spring frost. Harvest Days: 100 Light: Sun Spacing: 12”- 18” Height: 24”- 30” Depth: Barley cover Water: 1” of water per week Germination: 10 days Notes: Start indoors 5-7 weeks before last frost. Iris Domestica Perennial Planting: sow directly outdoors after the last spring frost or to start indoors, plant in pots 6-8 weeks before replanting outside. Harvest Days: 90 Light: Sun, partial shade Spacing: 24” Height: 12”- 24” Depth: ¼” Water: 1” of water per week Germination: 20 - 50 days Notes: From Jefferson’s Monticello; deer resistant. Slow to germinate. Baptisia Australis Perennial Planting: Sow directly outdoors after the last spring frost. Harvest Days: 3 - 4 years Light: Sun Spacing: 2’- 3’ Height: 4’ Depth: ¼” Water: 1” of water per week Germination: 1 - 2 weeks Notes: Store in fridge over winter; wash hands after handling. Callirhoe Bushii Perennial Planting: Sow directly outdoors after the last spring frost. Harvest Days: 60 - 150 days Light: Sun Spacing: 1’- 2’ Height: 2’ Depth: ⅛” Water: 1” of water per week Germination: 30 days Notes: Drought tolerant; easily self seeds. Asclepias Tuberosa Perennial Planting: Sow directly outdoors before the first fall frost or sow directly outdoors after the last spring frost. To start indoors, mix seeds with moist seed starter mixed soil in a sealed container and leave in the fridge for 2 months. Remove seeds from the fridge 8 weeks before the last spring frost and place in a warm spot in direct sunlight or under a grow light. Keep soil moist. Once seedlings have two sets of leaves, transplant them outside once the threat of frost is gone. Harvest Days: 3 years Light: Sun Spacing: 1’- 3’ Height: 2’ Depth: ¼” Water: 1” of water per week Germination: 14 - 21 days Notes: Loved by pollinators; slow to establish but easy care. Lobelia Cardinalis Perennial Planting: Seeds can be sown directly outdoors in the late fall. For spring, mix the seeds with moist sand and store in the refrigerator for 60 days before transplanting outside. To start indoors, sow seeds 6 - 8 weeks before the last spring frost, keeping soil lightly moist until germination. Transplant outside once the threat of frost is gone. Harvest Days: 2 years Light: Sun Spacing: 6”- 16” Height: 4’ Depth: Surface sow Water: 2” of water per week Germination: 3 - 5 weeks Notes: Store in fridge over winter; wash hands after handling; keep out of reach of pets. Aquilegia Canadensis Perennial Planting: Sow directly outdoors 3 - 4 weeks before the last spring frost. Harvest Days: 2 years Light: Sun Spacing: 10”- 17” Height: 2’ Depth: ¼” Water: 1” of water per week Germination: 21 days Notes: Seeds can be stored in the fridge over winter in lieu of early planting. Trifolium Incarnatum Annual Planting: Sow outdoors after the last spring frost or in late summer. Harvest Days: 70 - 90 Light: Sun Spacing: 2”- 3” Height: 1’ - 3’ Depth: ½” Water: 1” of water per week Germination: 7 - 14 days Notes: Plant after frost; improves poor soil. Mirabilis Jalapa Annual Planting: Sow directly outdoors after the last spring frost. For earliest blooms, begin indoors 6-8 weeks before the last spring frost. Harvest Days: 105 Light: Sun, partial shade Spacing: 36” Height: 36” Depth: Lightly cover Water: 1” of water per week. Germination: 7-14 days. Notes: Loved by pollinators; flowers open in the afternoon. Alcea Rosea Biennial Planting: Sow directly outdoors after the last spring frost. For earliest blooms, begin indoors 10-12 weeks before the last spring frost. Harvest Days: 119 Light: Sun Spacing: 18” Height: 72” Depth: ¼” Water: 1” of water per week. Germination: 10-14 days. Notes: Massive, showy flowers; may bloom first year. Coreopsis Lanceolata Perennial Planting: Sow directly outdoors after the last spring frost or to start indoors, place seeds in a sealed plastic bag with a damp paper towel and store them in the fridge for 1 month. Harvest Days: 1 - 2 years Light: Sun Spacing: 10”- 16” Height: 2’ Depth: ⅛” Water: 1” of water per week Germination: 10 - 15 days Notes: Tolerates drought; loved by pollinators. Lupinus Perennis subsp. Perennis Perennial Planting: Sow directly outdoors 4 - 6 weeks before the last spring frost. Harvest Days: 2 years Light: Sun Spacing: 10”- 18” Height: 2’ Depth: ¼” Water: 1” of water per week Germination: 15 - 25 days Notes: Wash hands after handling; keep out of reach of pets. Tagetes Annual Planting: Sow directly outdoors after the last spring frost. For earliest blooms, begin indoors 6-8 weeks before the last spring frost. Harvest Days: 80 Light: Sun Spacing: 12” Height: 12” Depth: ¼” Water: 1 ½” of water per week. Germination: 7-21 days. Notes: Great companion or sacrificial plant. Physostegia Virginiana Perennial Planting: Sow directly outdoors in the late fall before the first frost. For spring planting, start indoors by mixing the seeds with moist sand and store in a sealed container in the fridge for 2 months. Once seeds begin to germinate they can be transplanted outside once the threat of frost is gone. Harvest Days: 60 Light: Sun Spacing: 1’- 2’ Height: 4’ Depth: ⅛” Water: 1” of water per week Germination: 60 days Notes: Easy care; freely self seeds. Tanacetum Coccineum Perennial Planting: Sow indoors six weeks before the last spring frost or sow directly outdoors after the last spring frost. Harvest Days: 1 - 2 years Light: Sun Spacing: 12” Height: 3’ Depth: ⅛” Water: 1” of water per week Germination: 10 - 14 days Notes: Is toxic to people and pets. Wash hands after handling. Lathyrus Odoratus Annual Planting: sow directly outdoors in the late winter or early spring. Sow 3 seeds together. Harvest Days: 75 Light: Sun, partial shade Spacing: 6” Height: 6’ Depth: 1” Water: ½” - 1” of water per week Germination: 10 - 14 days Notes: Needs support; wash hands after handling. Callistephus Chinensis Annual Planting: Begin indoors 6-8 weeks before the last spring frost. Harvest Days: 80 Light: Sun Spacing: 12-18” Height: 36” Depth: 1/8” Water: 1” of water per week. Germination: 14-21 days. Notes: Loves cool weather; use for late season color. Echinacea Purpurea Perennial Planting: Sow directly outdoors when the soil has warmed to at least 65°F or start indoors 8-10 weeks before the last spring frost. Harvest Days: 2 years Light: Sun, partial shade Spacing: 10” Height: 36” Depth: ¼” Water: 1” of water per week Germination: 10 - 21 days Notes: Store in the fridge over winter. Dalea Purpurea Perennial Planting: Sow directly outdoors after the last spring frost. Harvest Days: 2 years Light: Sun Spacing: 18”- 24” Height: 2’ Depth: ¼” Water: 1” of water per week Germination: 7 - 14 days Notes: Easy to grow; nitrogen fixing. Asclepias Incarnata Perennial Planting: Sow directly outdoors after the last spring frost. Harvest Days: 2 years Light: Sun Spacing: 18”- 36” Height: 4’ Depth: ¼”- ½” Water: 1” of water per week Germination: 10 - 15 days Notes: Likes wet soil; important butterfly host; store seeds in fridge. Linum Grandiflorum var. Rubrum Annual Planting: Sow directly outdoors after the last spring frost Harvest Days: 77 - 84 Light: Sun Spacing: 12” Height: 18”- 24” Depth: ½” Water: 1” of water per week Germination: 10 days Notes: Tolerates drought and partial shade. Cosmos Bipinnatus Annual Planting: Sow directly outdoors after the last spring frost. For earliest blooms, begin indoors 4-6 weeks before the last spring frost. Harvest Days: 65 Light: Sun Spacing: 12” Height: 36” Depth: Lightly cover Water: After the plant has germinated it can go without being watered regularly. Water once or twice a week if the weather is unusually dry. Germination: 14-21 days. Notes: Easy growing; heat and drought tolerant. Asclepias Speciosa Perennial Planting: Sow directly outdoors after the last spring frost. Harvest Days: 2 years Light: Sun Spacing: 2’- 3’ Height: 4’ Depth: ¼”- ½” Water: 1” of water per week Germination: 10 - 20 days Notes: Important butterfly host; store seeds in fridge. Zinnia Elegans Annual Planting: Sow indoors 4 weeks before the last spring frost or sow directly outdoors after the last spring frost once the nightly temperatures remain above 50°F. Harvest Days: 65 Light: Sun Spacing: 8”- 10” Height: 30” Depth: ¼” Water: 1” of water per week Germination: 7 - 10 Notes: Easy care; makes a great cut flower. Annual/Perennial Mix Planting: sow directly outdoors after the last spring frost. Harvest Days: 85 Light: Sun Spacing: Broadcast Height: Varies Water: 1” of water per week Germination: Varies Notes: A selection of milkweed, coneflower, black-eyed Susan, clover, rattlesnake master, and others. Store in the fridge over winter. Tropaeolum Majus Annual Planting: Begin indoors 4-6 weeks before the last spring frost. Relocate outdoors after the last spring frost. Harvest Days: 60 Light: Sun Spacing: 6-8” Height: 3-5’ Depth: 1/4” Water: 1” of water per week. Germination: 10-14 days. Notes: Thrives in poor soil; good choice for hanging baskets.All Sorts Sunflowers - OUT OF STOCK
Anise Hyssop - OUT OF STOCK
Bachelor’s Buttons
Black Eyed Susan - OUT OF STOCK
Blackberry Lily - OUT OF STOCK
Blue Wild Indigo - OUT OF STOCK
Bush’s Poppy Mallow - OUT OF STOCK
Butterfly Weed - OUT OF STOCK
Cardinal Flower
Columbine
Crimson Clover - OUT OF STOCK
Four O’Clocks - OUT OF STOCK
Hollyhocks - OUT OF STOCK
Lance-Leaf Coreopsis
Lupine Sundial - OUT OF STOCK
Marigolds - OUT OF STOCK
Obedient Plant - OUT OF STOCK
Painted Daisy
Pink Sweet Pea - OUT OF STOCK
Powder Puff Aster - OUT OF STOCK
Purple Coneflower - OUT OF STOCK
Purple Prairie Clover
Rose Milkweed - OUT OF STOCK
Scarlet Flax Linum
Sensation Cosmos
Showy Milkweed - OUT OF STOCK
State Fair Zinnia - OUT OF STOCK
Teaching Garden Mix - OUT OF STOCK
Trailing Nasturtiums - OUT OF STOCK