Seed Exchange - Also known as Swamp milkweed, this North American native bears bright pink-and-red, vanilla-scented flowers in June and July. Surprisingly adaptable, this 5-foot-tall perennial is the preferred forage source for the larvae of Monarch butterflies and can grow in wet to well-drained soil. Perennial. Hardy to zone 4.
Perennial and hardy to zone 4
Plants grow to 5 feet tall
Bright pink and red, vanilla-scented flowers
Blooms in June and July
Preferred food source of Monarch caterpillars
Instructions - Sow seeds indoors in flats 1/4" deep, moisten soil, cover with plastic, and refrigerate for 10 days. Thereafter, provide light and 50-75°F. This moist stratification is not absolutely necessary, but will help to increase germination.
Start Indoors - 8-10 weeks before the last frost
Sow 1/4" deep
Germination 10-15 days
Plant 12-24" apart
Firefly Farm & Mercantile may substitute seed vendors from time to time because of availability