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Milkweed Seeds - Butterfly

$3.25

Asclepias tuberosa

Vibrant orange flowers grow in clusters against dark green leaves. It’s a favorite to all pollinators but especially monarch butterflies. Plants grow 18 to 30 inches tall. Southeast native.

Direct seed in early spring or transplant into the garden after all danger of frost has passed. Milkweed benefits from cold stratification. It will need full sun and less-fertile soil. Water well to ensure good germination. Once germinated, milkweed will need at least an inch of water per week. Typically grown for flowers. Perennial.

  • Planting Information
  • Growing Information
Average Seed / ozSeed / 100' RowAverage Yield / 100' RowDays to Harvest
4800n/an/a70
Planting SeasonIdeal Soil TempSunFrost Tolerance
Fall65-80°FFull SunLightly Tolerant
Sowing MethodSeed DepthDirect Seed Spacing

Min. Seeds 

Per Packet

Direct Seed1/8"6-8"70
Mature SpacingDays to SproutProduction CycleSeed Viability
24-36"21-28Perennial2-3 years

Site Selection

 

These North American native milkweeds are hardy perennials that will tolerate full sun to partial shade and thrive in a wide variety of soils.

 

Cultivation

 

For best results, expose seeds to moist, cold conditions (stratification) prior to sowing. For cold stratification, place seeds in moist potting soil or sand and store in a refrigerator for 4-6 weeks. After stratification, sow seeds in containers or direct seed outdoors after the danger of frost has passed. Sow seeds 1/8-1/4" deep and 6-8" apart. Optimal soil temperature for germination is 65-80˚F. Seeds will sprout in 10-28 days. Thin seedlings so that mature plants are 24-36" apart.

Seeds can also be direct sown outdoors in the fall where they will stratify naturally and germinate the following spring.