Butterflies and hummingbirds will flock to your garden to feast on the sweet nectar of this easy-to-grow, heirloom perennial. Often called swamp milkweed, this species grows best in moist or wet soils, such as near a pond or stream, but the loosely-clumped plants also grow well in a garden with regular watering. Decorative seed pods are beautiful in dried arrangements. Sap is toxic; avoid eye/skin contact and do not ingest.
Botanical Name: Asclepias incarnata
Family: Apocynaceae
Native: Eastern ⅔ of the U.S. and Canada
Hardiness: Perennial in USDA zones 3-6
Plant Dimensions: 2'–4' tall on average but may reach as tall as 6'
Variety Information: Individual flowers ½" long, borne in pink or white clusters
Exposure: Full sun
Bloom Period: Summer
Attributes: Attracts Pollinators, Cut Flowers, Deer Resistant
When to Sow Outside: 2 to 4 weeks before your average last frost date, or in the fall for spring germination.
When to Start Inside: 6 to 8 weeks before your average last frost date.
Days to Emerge: 14–28 days
Seed Depth: ¼"
Seed Spacing: A group of 3 seeds every 16"–36"
Thinning: When 3" tall, thin to 1 every 16"–36"
Harvesting: For longest vase life, cut flowers when 1/2-2/3 of petals are open. Sear the stem end with a flame to prevent the sap from sealing the stem. Wear gloves; milkweed sap can cause skin and eye irritation and can be toxic if ingested.
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