40 Butterfly Pink Swamp Milkweed Seeds Asclepias incarnata Monarch Butterflies
Sowing: In late fall, direct sow the swamp milkweed seeds for sale just below the surface. Germination will take place in the spring, after the last frost. When the seedlings appear, thin to the strongest plant; seedlings usually do not survive transplanting, since they resent any disturbance of their roots. For spring planting, mix the seeds with moist sand and refrigerate for 30 days before direct sowing.
Growing: Since this plant does not tolerate drought, watering may be necessary to keep the soil moist. The flowers attract bees and many butterflies, while repelling deer. Because competing weeds will damage the growth of this plant, keep them down to a minimum.
Name: Showy Butterfly Milkweed
Scientific Name: Asclepias incarnata
Hardiness Zones: 3-9
Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost
Plant Height: 36"-60"
Plant Spacing: 18 - 36"
Bloom Season - Summer
Light Requirements: Full Sun, Partial Shade
Soil & Water Preferences: Average
Other: Attracts bees, birds, & butterflies
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