Blooms summer through frost. Clusters of rose to mauve florets on sturdy stems. In our trials the species is nearly identical to the variety Soulmate. Attractive lance-shaped leaves. Use for cut flowers and garden beds. Attracts butterflies and hummingbirds. Larval host for monarch butterflies. Native to North America. Also known as pink milkweed and rose milkweed. Perennial in Zones 3–8.
14-21 days at 65-70°F (18-21°C). Stratification for Pleurisy Root only: Moisten,cover with plastic, and refrigerate at 40-50°F (4-10°C) for 7-14 days. After stratification, seeds should be brought into warmer temperatures to germinate.
Transplant (recommended) - Sow 7-9 weeks before last frost. Sow 1/4" deep into a seed starting mix. Begins taproot growth upon germination. Do not allow to become pot bound at any time as plants will deteriorate rapidly. Transplant into larger cell packs or 3-4" pots 3-5 weeks after sowing. Harden off and transplant outdoors after the last frost. Direct seed - Can be direct sown in the fall or spring.
Sun.
Varies.
12-24".
Varies.
1/2 to 2/3 of flowers are open. If stems wilt after harvest, rehydrate in water for 24 hours. CAUTION: Milky sap may cause eye and skin irritation.