| Management number | 221069871 | Release Date | 2026/05/03 | List Price | US$16.00 | Model Number | 221069871 | ||
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White Milkweed (Asclepias incarnata) is an elegant, lesser-known variant of the classic swamp milkweed, a native North American perennial wildflower prized for its pristine, snow-white to creamy blooms that stand out beautifully against lush green foliage in moist to wet garden settings. This clump-forming herbaceous plant grows 3 to 5 feet tall with sturdy, branching stems lined by narrow, lance-shaped, opposite leaves that remain attractive throughout the season. From midsummer into early fall (typically June through September), it produces dense, rounded umbels of fragrant, star-shaped flowers with delicate curved horns, offering abundant nectar to a host of pollinators including bees, butterflies, hummingbirds, and especially monarch butterflies, for which it serves as an excellent larval host plant. Unlike more spreading milkweeds, this selection forms neat, non-invasive clumps from fibrous roots and produces the characteristic milky sap when stems or leaves are damaged. In autumn, slender seed pods develop and eventually split to release flat seeds with silky parachutes dispersed by the wind. Thriving in full sun to partial shade and preferring consistently moist to wet soils—such as those found near ponds, streams, rain gardens, marshes, or boggy areas—while tolerating average garden moisture once established, white swamp milkweed adds a sophisticated, luminous touch to pollinator gardens, wetland restorations, ecological landscapes, and naturalistic plantings, supporting monarch conservation and biodiversity with its long-lasting, pure white floral display.
| Color | White |
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| Soil Type | Rich / Fertile |
| Brand Name | Seed Needs |
| Style Name | Swamp White Milkweed |
| Unit Count | 20.0 Count |
| Manufacturer | Seed Needs |
| Moisture Needs | Moderate Watering |
| Number of Pieces | 100 |
| Sunlight Exposure | Full Sun |
| USDA Hardiness Zone | 3,4,5,6,7,8,9 |
| Expected Plant Height | 60 Inches |
| Expected Blooming Period | Summer |
| Expected Planting Period | Spring |
| Product Care Instructions | Sowing info included on every seed packet. |
| Other Special Features of the Product | Attracts Monarch Butterflies, Heirloom, Open Pollinated, Perennial Flowers, White Flowers |
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