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Asclepias incarnata 'Cinderella' (swamp milkweed) Asclepias incarnata 'Cinderella' (swamp milkweed)
Image courtesy of ©2020 Walter's Gardens, Inc

Asclepias incarnata 'Cinderella'

swamp milkweed

A virtually hassle-free perennial, offering three months of vanilla-scented, rose pink flowers in large, compact clusters from midsummer to early fall. Deadheading the flowers will stimulate another bloom cycle about a month after the first one. The flowers, which are heavily laden with nectar and pollen, are particularly attractive to hummingbirds, butterflies, bees, and other beneficial insects.


Following the fabulous flowers, typical milkweed seed pods develop which rupture to reveal seeds with long, silvery-white, silky hairs. These are great to use in dried flower arrangements.



This species grows in loose clumps by means of slowly creeping rhizomes. It is not invasive and can be safely mixed in with other perennials in the border. Asclepias incarnata is native to North America. -Walter's Gardens

She's the belle of the ball! Sweetly scented with blooms of blush pink, Asclepias incarnata 'Cinderella' from Walter's Gardens lasts longer in your garden than her namesake. A perennial with beauty, grace, and staying power, this wetland native does well in average garden conditions and is a pollinator favorite!

SIZE
Asclepias incarnata 'Cinderella' LP50 - 50 per flat Availability
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Height

3-5 Feet

Spread

1-3 Feet

Spacing

12-18 Inches

Bloom Color

Pink

USDA Hardiness Zone 3-9

swamp milkweed Interesting Notes

Asclepias incarnata can be recognized by its clusters of upturned deep pink flowers that bloom in mid-summer. These sit atop an elegant upright, branching stem with smooth willow-like foliage. Its height varies widely depending on soil moisture, soil nutrients and light conditions.


This wetland perennial is broadly distributed across the United States and Canada. Look for it occuring naturally in marshes, swamps, wet meadows and riparian areas.


We've observed that swamp milkweed stays true to its name as an excellent performer in the consistently moist soils of the bioswales and rain garden located in the lowest spots on our property. In our stormwater systems it happily accomodates temporary inundation after major rain events. Like many wetland perennials it will eventually spread rhizamtously to form a colony.


Like other Asclepias species, swamp milkweed is very popular with pollinating insects, attracting a diverse and ample array of butterfly, skipper, fly, wasp and bee species. Even hummingbirds are occasional visitors to its flowers! Its foliage is an important food source not only for the Monarch butterfly but also for the Swamp Milkweed Leaf Beetle and Large Milkweed Bug.

Asclepias incarnata 'Cinderella' Growing and Maintenance Tips

Swamp milkweed, true to its name, prefers consistently moist soil, but performs admirably in average, well-drained gardens as well. Full sun is best and some shade is tolerated, though blooming time and color may suffer.


Gather bouquets of Asclepias all summer long; the long stems are wonderful for cutting and are long-lasting. Sear the ends of the cut stems over a flame to stop the milky sap from leaking out.

Good Substitutions

swamp milkweed Asclepias incarnata 'Ice Ballet'
swamp milkweed Asclepias incarnata

Key Characteristics & Attributes

Full Sun
Full Sun
Moist
Moist
Songbird-friendly
Songbird-friendly
Deer Resistant
Deer Resistant
Pollinator-friendly
Pollinator-friendly
Cut Flower
Cut Flower
Fragrant
Fragrant
Summer
Summer

Additional Information

Soil Moisture Needs
Average
Green Infrastructure
Bioretention/Rain Garden
Wetland Indicator Status
Obligate Wetland (OBL)
Plug Type
Landscape Plug™
For Animals
Caution: Toxic
Attributes
Clay Tolerance
Native to North America
Season of Interest (Flowering)
Late Summer
Propagation Type
Tissue culture