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Poke Milkweed

Asclepias exaltata

Last reviewed: August 2026

Poke Milkweed is a woodland forb that thrives in part shade and moist, well-drained soil, blooming from June through August across eastern and midwestern forests.

Poke Milkweed (Asclepias exaltata)
Photo: (c) Michael J. Papay, some rights reserved (CC BY), uploaded by Michael J. Papay

Poke Milkweed is toxic to dogs and cats.

Listed as toxic by the ASPCA Animal Poison Control Center (opens in new tab) (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.

Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.

Light

part shade

Water

medium

Size

36"–72" H × 12"–24" W

Bloom

Jun, Jul, Aug

Native to

AL, CT, DE, GA and 23 more states

Pollinators

bees, butterflies, wasps

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Poke milkweed is a tall native perennial that thrives in partial shade with distinctive clusters of small white to pale pink flowers. This milkweed species naturally grows in woodland edges and can reach up to 6 feet tall, making it an excellent choice for adding height to shaded garden areas.

Growing Poke Milkweed

Grow Poke Milkweed in part shade and medium water. Mature plants reach 36 to 72 inches tall and spread 12 to 24 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Poke Milkweed takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Very tall growth can appear unmanaged
  • Dies back completely in winter leaving bare stems
  • May spread and look weedy to conservative neighbors

Wildlife value

Host plant for monarch butterfly, milkweed tussock moth.

Essential host plant for monarch butterfly caterpillars and provides nectar for various bees, butterflies, and beneficial wasps. The flowers are particularly attractive to native pollinators during the summer blooming period.

Common questions

When does Poke Milkweed bloom?
Poke Milkweed blooms from June through August, producing loose, drooping clusters of white to pale pink flowers.
How much light does Poke Milkweed need?
Poke Milkweed grows best in part shade, though it can tolerate dappled sun to fuller shade, making it well suited to open woodlands and forest edges.
What kind of soil moisture does Poke Milkweed prefer?
This plant does best in medium moisture, well-drained soil and does not tolerate prolonged drought or standing water.
What pollinators visit Poke Milkweed?
Bees, butterflies, and wasps regularly visit Poke Milkweed flowers for nectar, and it also serves as a host plant for monarch butterfly caterpillars.
What habitat does Poke Milkweed grow in?
It is typically found in the understory of deciduous forests, along wood edges, and in clearings where it receives filtered or partial sunlight.
Is Poke Milkweed toxic to dogs?
Yes. Poke Milkweed is listed as toxic to dogs by the ASPCA Animal Poison Control Center (aspca.org). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is Poke Milkweed toxic to cats?
Yes. Poke Milkweed is listed as toxic to cats by the ASPCA Animal Poison Control Center (aspca.org). If your cat has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is Poke Milkweed HOA-friendly?
Poke Milkweed takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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