Asclepias perennis
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Aquatic Milkweed, Swamp Milkweed
Apocynaceae
Plant Specifics
| Form: | Flower | |
| Size: | 1-3 ft tall by 1 ft wide | |
| Life Span: | Short-lived perennial | |
| Flower Color: | White | |
| Phenology: | Evergreen. Blooms periodically from spring to fall. Survives shade but blooms better in part-to-full sun. | |
| Noted for: | Showy flowers |
Landscaping
| Recommended Uses: | Small specimen plant in wet areas. Does well in bog gardens and rain gardens or bioswales. | ||||||||||||||||||||||||||||||||||||||||||
| Considerations: | Toxic. | ||||||||||||||||||||||||||||||||||||||||||
| Propagation: | Seed. | ||||||||||||||||||||||||||||||||||||||||||
| Availability: | Native nurseries, FNPS plant sales, Quality nurseries | ||||||||||||||||||||||||||||||||||||||||||
| Light: | Full Sun, Part Shade, Shade | ||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: |
always floodedextremely dry |
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| (Stays Wet ----- to ----- Somewhat moist, no flooding) | |||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: | Stays Wet ----- to ----- Somewhat moist, no flooding | ||||||||||||||||||||||||||||||||||||||||||
| Salt Water Flooding Tolerance: | Not salt tolerant of inundation by salty or brackish water. | ||||||||||||||||||||||||||||||||||||||||||
| Salt Spray/ Salty Soil Tolerance: | Low/no tolerance of salty wind or direct salt spray | ||||||||||||||||||||||||||||||||||||||||||
| Soil or other substrate: | Loam, Organic material (muck), Sand | ||||||||||||||||||||||||||||||||||||||||||
| Soil pH: | Adaptable | ||||||||||||||||||||||||||||||||||||||||||
Ecology
| Wildlife: |
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| Insects: | Larval host to the monarch butterfly (Danaus plexippus), queen butterfly (Danaus gilippus), and soldier butterfly, (Danaus eresimus). Attracts various pollinators including butterflies and bees. | |
| Native Habitats: | Marshes, swamps |
Distribution and Planting Zones
Natural Range in Florida
USDA Zones
Suitable to grow in:
10A 10B 8A 8B 9A 9B
USDA zones are based on minimum winter temperatures