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Asclepias syriaca Common Milkweed

Ohio Native Plant Natural Range

To view the natural range of Asclepias syriaca visit the USDA Natural Resources Conservation Service website.
Two lovely blooms growing on a Common milkweed plant, if only I could add their amazing scent to this site.
Common milkweed growing along the Tow Path, Akron, Ohio
Native bee enjoying a meal on Common Milkweed blossoms.
Pollinator on Common Milkweed - Jim Wohl

Cultivation Information Asclepias incarnata

Pronounced - ass-KLEP_ee-ass
Height - 3 to 5 ftFlower Color - light PinkBlooms - June - AugustFlower Color - PinkSun - Sun to part sunHardy Zone - 3 to 9Soil -Moist to drypH -4.0 to 6.0 Family - Asclepiadaceae
Over the Years - Common Milkweed smells amazing, pollinators adore it, and Monarch butterfly caterpillars require it. However, chose your spot carefully as this milkweed can quickly over run small spaces. We designated a back section of our yard specifically for Common milkweed. It politely shares a space with the likes of: Ironweed, Joe-pye, Giant Sunflowers, Some of the shorter native plants like Bergamt and Yellow Coneflower have to work a little harder for resources
Host Plant -
Butterflies need two types of plants in order to survive; the first are the nectar plants like Joe- Pye Weed ones with a flat "landing pad" that allow the adult butterfly to easily rest and take a nice long drink. Like most living things the diet of the young differs from that of the adult. This is the case with butterflies; after working their way out from the safety of their chrysalises (cocoon) they are hungry. Dinner needs to be there right on the spot. The young of the Monarch butterflies and eleven other species of Lepidoptera (butterflies) first meal needs to revolve around milkweed plants.
When planning a butterfly garden be certain to plan for the adults as well as their larvae. Although butterfly bushes (Buddleja species) are beautiful and do provide nectar for adults, there are no species of butterflies in North America that use this plant as a larval host plant.
A beautiful orange butterfly sipping nectar from Asclepias syriaca blossoms
Great Spangled frittilary - by Jm Wohl

Wildlife Significance Swamp Milkweed


Nectar Source - for long-tongued bees, Skippers - Silver-Spotted skipper, Butterflies -Spicebush Swallowtail, Eastern Black Swallowtail, Eastern Tiger Swallowtail, Clouded Sulphur, Spring Azure, Great Spangled Fritillary, Eastern Tailed Blue, Silver-Spotted Skipper, beetles and numerous moths
Host Plant - Caterpillars of the Monarch butterflies, Milkweed tussock moth, Milkweed Tiger moth,
Leaves - Deer and other herbivores leave this plant alone, due to the bitter and toxic taste For more details on this plant visit the Illinois Wildflower website Deer - Not Fond of this plant

Understanding Milkweed Plants
A Guide to the Milkweeds of Ohio - Natural Treasures oh Ohio
One big fat Monarch Butterfly  Caterpillar.
Aphids enjoying the bumpy pods of Common MIlkweed.
Aphids enjoying Common MIlkweed pods
Propagation Notes Swamp Milkweed
Stratifying Seeds
Seeds placed in Cold Moist Storage Supplies Needed For Seed Stratification - 1. Zip lock plastic bag2. Few table spoons of Vermiculite3. Dampened vermiculite - not soggy4. Store in refrigerator for 30 days before sowing Wind Dispersed - Or let nature do the work and allow the wind to spread seed
Seed Provenance Asclepias syriaca
From a friend's property - Rocky River, Ohio 2010 & 2011. Nodding Onion Gardens 2012 to Present
Additional Pages
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Ohio Department of Agriculture Nursery Inspection 2010 - 2022
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