Nodding Onion Gardens

Native Plant Nursery

Where Wildflowers Grow

Columbia Station, Ohio, USA


 Asclepias tuberosa - Butterfly Weed

Ohio Native Plant - Natural Range

Asclepias tuberosa 

To view the natural range of the Butterflyweed visit the USDSA Natural Resource Conservation Service website.
Monarch on Butterfly Weed -  Asclepias tuberosa
Monarch Butterfly on Asclepias tuberosa

Wildlife Significance


Nectar - Milkweed flowers are a favorite of numerous butterflies:Hairstreaks,fitillaries Monarchs as well as wasps, flies, humming birds, long and and short -tongued bees.

Host Plant - Monarch Butterfly caterpillars

Deer are not fond of this plant

For more details on this plant visit the Illinois Wildflower

Propagation Notes Asclepias tuberosa

Collect Seeds -
Harvest seed in fall when pods become brown and crack. Secure pod with a rubber band to prevent seed floating away.

Stratifying Seeds

- Seeds for 30 days, cold/moist Storage  

Supplies Needed For Seed Stratification -

1. Zip lock plastic bag or small plastic container

2. Few table spoons of Vermiculite

3. Dampen vermiculite - not soggy

Soaking method -soak seeds for 36hours then plant as usual

Butterfly Weed -  Asclepias tuberosa
Butterflyweed - image by Roger Dahlin

Cultivation Information

Butterfly Weed

Height - 12 to 18 inches
Flower Color
- Orange
Blooms - June - September
Sun - Sun/part sun

Hardy Zone - 3 to 9

Soil - well drained
pH - 4.5 to 5.5

Family -Asclepidaceae
 Asclepias tuberosa - Butterfly Weed
Asclepias tuberosa - Butterfly Weed
Roger Dahlin's young milkweed plants
Roger Dahlin's young milkweed plants
January 2012 -  From left two right - Whorled Milkweed, Butterflyweed, Purple Milkweed, Poke Milkweed.

One month old - Started after one month of cold storage - Baldwinsville, NY

Understanding Milkweed Plants

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

 Seed Provenance -

Prairie Moon Nursery, Winona, MN - 2011 - Nodding Onion Gardens - 2012 - present - Roger Dahlin Baldwinsville, NY 2013 - 2014 - Suzy Rafferty, Fairview Park, Ohio, 2014