Seed Exchange - One of the very best for attracting butterflies and birds, this showy and easy-to-grow plant adds a flashy touch to the late summer landscape. Blooms heavily from July through September. Will tolerate clay soils. Plants reach 3-4' tall. Perennial. Hardy to zone 4.
Perennial and hardy to zone 4
One of the very best for attracting butterflies and birds
Plants grow to 3-4 feet tall
Heavy yields of purple-magenta flowers from July through September
Tolerates clay soils
Instructions - Sow seeds outdoors just before last frost. Can also be started indoors and set out as small plants. Seeds can be soaked in warm water for 24 hours before planting. Prefers full sun to partial shade and well-drained rich soil.
Start Indoors - 8-10 weeks before the last frost. Purple Coneflower does not like to be transplanted as it develops a taproot that allows it to be very drought tolerant.
Sow 1/2" deep
Thin 18-24" apart
Firefly Farm & Mercantile may substitute seed vendors from time to time because of availability