NOW shipping 2025 packets!
Grow Perennial Swamp Milkweed to save the Endangered Monarch Butterfly.
Monarch numbers and milkweed plants are down 90% from what they were. Milkweed plants are the only source of food for the monarch caterpillar. Make a difference by planting milkweed!
Also called Rose Milkweed, its pink flowers attract many pollinators. Plants grow 36-60".
Direct sow in late fall or spring. Cold stratify for 30 days before seeding. Start 7-9 weeks before last frost. Transplant into 4" pots after 3-5 weeks. Harden off and transplant to well-drained soil.
In the United States Swamp Milkweed (Asclepias incarnata) is native to the following states: AL, AR, CO, CT, DE, FL, GA, ID, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MN, MO, MT, NE, NV, NH, NJ, NM, NY, NC, ND, OH, OK, PA, RI, SC, SD, TN, TX, UT, VT, VA, WV, WI, WY
BUTTERFLY MILKWEED SEED INFORMATION:
- Lifecycle: perennial
- Sun Requirement: full sun, partial shade
- Spacing: 18"-36" apart
- Depth: 1/4 inch
- Swamp Milkweed Seeds Per Packet: 100-110
- Bloom Season: summer
- Height: 36" - 60"
- Uses: Bee attractant, Butterfly attractant, hummingbird, pollinator, cut flower
- Low Maintenance: yes
- Swamp Milkweed Seeds/Oz: 6375
- Sowing Method: direct sow
- Plant Scientific Name: Asclepias incarnata
Asclepias plants and sap may cause skin irritation in humans and animals. Do not ingest seed or plants.
Packet size: 3 ¼" x 4 ½"
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