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White flower cluster of Arizona milkweed (Asclepias angustifolia).Pamahon, CC BY-SA 4.0 , via Wikimedia Commons
Monarch Butterfly on goldenrodALAN SCHMIERER from southeast AZ, USA, CC0, via Wikimedia Commons

(Asclepias angustifolia)
Arizona Milkweed

Host Plant: Monarch Butterfly (Danaus plexippus)

Nectar Plant: Carpenter Bees and other butterflies

Flower Color: white with a pink or purplish tinge

Growth Habit: herbaceous perennial that grows 2 to 3 feet tall

Range in North America: southern Arizona

Exposure: Full sun

Hardiness: 6-10

Soil Requirements: dry, rocky soils

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Arizona Milkweed (Asclepias angustifolia)

White flower of Arizona Milkweed (Asclepias angustifolia) in a field.
White Flower of Arizona Milkweed — Pamahon, CC BY-SA 4.0, via Wikimedia Commons

Description of Arizona Milkweed (Asclepias angustifolia)

Arizona milkweed (Asclepias angustifolia), a member of the Apocynaceae (Dogbane Family), is a herbaceous perennial that grows from 2 to 3 feet tall and has white to pink, sometimes purple tinged, flowers that bloom in the summer (roughly June to July). The leaves are simple, opposite, entire, linear to lanceolate in shape and are 1.5-5 inches in length and about 0.1-0.5 inches wide. Arizona milkweed is hardy in zones 6-10 and likes open areas with full sun that have dry, rocky soils. More about this milkweed can be found on this post.

Alternative Names

Talayote and Narrow-leaved Milkweed

Hosted Species

Monarch Butterfly (Danaus plexippus)

Monarch butterfly on a green flower.
U.S. Fish and Wildlife Service, Public domain, via Wikimedia Commons

Carpenter bees are known to pollinate Arizona milkweed (Wikipedia). It is also used by other butterflies and insects.

Range Map of Arizona Milkweed in the United States and Canada

Range map of Arizona Milkweed (Asclepias angustifolia) in the United States and Canada

 

Habitat

Desert habitat with sand in Arizona
Desert Habitat with sandy, rocky soil — Patrick Alexander from Las Cruces, NM, CC0, via Wikimedia Commons

Arizona Milkweed is found in open areas with full sun and dry rocky soil such as riparian woodlands, meadows, and canyons. It is found at high elevations from 3,500 ft to 7,000 ft.

Origin of the Name

The genus name, Asclepias, is the Greek name for the God of Medicine.

Webpages

Bring Back the Monarchs

Wikipedia

Butterfly Gardening and all things Milkweed

Native Location

Arizona

USDA Plant Hardiness Zone

Zone 6, Zone 7, Zone 8, Zone 9, Zone 10

Exposure Requirements

Full Sun

Plant Habit

Herbaceous

Soil Requirements

Dry

Hosted Species

Danaus plexippus (Monarch)

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Arizona Milkweed”

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