Antelopehorn Milkweed

Asclepias asperula

$29.99

$34.99

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Ships the week of September 28.

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3 Plants

$10.00/plant

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6 Plants

$9.17/plant

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About this Plant

Antelopehorn Milkweed is a memorable native for dry, sunny gardens, combining unusual spring flowers with serious toughness. Rounded flower clusters appear in spring to early summer, blending creamy green petals with rich maroon centers. Broad, softly textured leaves give the plant a substantial presence even outside bloom, while curved seed pods resembling antelope horns add late-season interest.

Built for prairies, rocky slopes, and lean soils, Antelopehorn Milkweed develops a deep taproot that helps it thrive with very little water once established. Like other native milkweeds, it is an essential host plant for monarch caterpillars, while its nectar-rich flowers attract native bees, butterflies, beetles, and beneficial wasps. Growing just 1–2 feet tall, it delivers exceptional habitat value without overwhelming smaller pollinator beds or water-wise gardens.

Why Choose Antelopehorn Milkweed?

Essential host plant for monarch butterfly caterpillars
Unique green-and-maroon flowers reward close inspection
Curved seed pods add ornamental late-season interest
Excellent drought tolerance once established
Compact size fits prairie gardens, dry borders, and pollinator beds

Plant in full sun with well-drained soil, and avoid moving once established because of its deep taproot. Allow seed pods to mature for natural reseeding, or remove them if you want to limit spread.

Maintenance Tips

Plant Antelopehorn Milkweed in its permanent location, as its deep taproot makes established plants difficult to move.
Avoid rich soil, fertilizer, and frequent irrigation.
Allow some seed pods to mature if you would like new plants.
Manage aphids with a strong stream of water rather than pesticides that could harm Monarch caterpillars.

Details

Soil Types

Soil Moisture

Sun Exposure

Hardiness Zone

USDA 5–9

Plant Type

Flower

Mature Height

Mature Width

Bloom Color

Green

Bloom Time

Root Type

Taproot

Antelopehorn Milkweed

$29.99$34.99

Ecological Benefits

Deer Resistant

Less likely to be browsed by deer.

Attracts Pollinators

Provides nectar and pollen for bees and other pollinators.

Butterfly Host

Supports butterfly caterpillars as a host plant.

Attracts Butterflies

A nectar source that draws butterflies throughout the season.

Drought Tolerant

Thrives with minimal watering once established.

Monarch Host

Provides essential host plants for monarch butterfly caterpillars.

What Folks Are Saying

“It's like following a recipe. Choosing from multiple designs is fun.” - Kari

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a newly planted garden and a man holding a sign

“I've never planted anything in my life. And this was actually quite fun.” - Steve

a man laying out small potted plants in a prepared bed

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