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PlantFiles: Prairie Milkweed
Asclepias sullivantii

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Family: Apocynaceae (a-pos-ih-NAY-see-ee) (Info)
Genus: Asclepias (ass-KLE-pee-us) (Info)
Species: sullivantii (sul-lih-VANT-ee-eye) (Info)

5 vendors have this plant for sale.

15 members have or want this plant for trade.

Category:
Perennials

Height:
24-36 in. (60-90 cm)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Rose/Mauve

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Direct sow as soon as the ground can be worked

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By KSBaptisia
Thumbnail #1 of Asclepias sullivantii by KSBaptisia

By KSBaptisia
Thumbnail #2 of Asclepias sullivantii by KSBaptisia

By KSBaptisia
Thumbnail #3 of Asclepias sullivantii by KSBaptisia

By KSBaptisia
Thumbnail #4 of Asclepias sullivantii by KSBaptisia

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive KSBaptisia On Jul 3, 2009, KSBaptisia from Beatrice, NE (Zone 5b) wrote:

Prairie Milkweed is a great butterfly plant. It is generally similar in appearance to Common Milkweed, but its flowers are more vibrant and its leaves are completely smooth.

It is not very widely distributed compared to other milkweed species, but is often pretty common where it does occur.

In the garden, it is generally well behaved, much less aggressive than Common Milkweed.

Regional...

This plant has been said to grow in the following regions:

Brooksville, Florida
Beatrice, Nebraska
Cape May Court House, New Jersey
Lebanon, Ohio



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