Nodding Onion Gardens

Native Plant Nursery

Where Wildflowers Grow

Columbia Station, Ohio, USA


 Asclepias purpurascens - Purple Milkweed

Ohio Native Plant - Natural Range

Asclepias purpurascens

The United State Department of Agriculture and Natural Resources Concervation Service has a wonderful map showing the natural range of Purple Milkweed.
Purple Milkweed seed pod being blown
The wind dispersing fluffy with Purple Milkweed seeds

Wildlife Significance

Nectar Source - For long-tongued bees, skipper, moths, butterflies:Spicebush Swallowtail, Eastern Black Swallowtails, Eastern Tiger Swallowtails, Clouded Sulphurs, Spring Azure, Great Spangled Fritillary, Eastern Tailed Blue.

Host Plant - Monarch butterflies, Milkweed tussock moth, Milkweed Tiger Moth and Queen Butterfly caterpillars.

For more details on this plant visit the Illinois Wildflower website

newly formed pink flowers on Purple Milkweed
Developing Purple Milkweed flower
close up of the curly shape of Purple Milkweed
Note the Distinctive Curlicue
Seed Provenance - Prairie Moon Nursery - Winona, MN 2010 - 2012, 2017, 2018 - Granby CT, 2017 - NOG - 2013, 2015, 2018

a coral colored Ascelpias purpurascens close up
Purple milkweed in fulk bloom

Cultivation Information

Flower Color - Rose Purple
Blooms - June - July
Sun - Sun to part sun
Hardy Zone - 3 to 9
Soil - Moist to dry

Family - Asclepidaceae

Pronounced - ass- KLEP - ee-ass

Purple Milkweed seeds with their puffy white silk still connected drying on newspaper. A quarter serves as a size reference
Our Purple Milkweed Seeds
Three smooth, soft Purple Milkweed Pods sitting on a brick next to drying leaves
After three years our own Purple Milkweed seeds

Understanding Milkweed Plants

A Guide to the Milkweeds of Ohio - Natural Treasures oh Ohio - Blog

Propagation Notes - Stratifying Seeds 2013

January 4, 2013
- Seeds placed in Cold Moist Storage  

Fall 2012 - Seeds Collected at Nodding Onion Gardens

Supplies Needed For Seed Stratification -

1. Zip lock plastic bag

2. Few table spoons of Vermiculite

3. Dampen vermiculite - not soggy

4. Store in refrigerator for 30 days