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Products > Asclepias fascicularis
 
Asclepias fascicularis - Narrow-leaved Milkweed
   

 
Habit and Cultural Information
Category: Perennial
Family: Apocynaceae (Dogbanes & Milkweeds)
Origin: Northwest (U.S.) (North America)
Flower Color: Pink
Bloomtime: Spring/Summer
Height: 2-3 feet
Width: 2-3 feet
Exposure: Full Sun
Summer Dry: Yes
Deer Tolerant: Yes
Irrigation (H2O Info): Low Water Needs
Winter Hardiness: < 0 F
May be Poisonous  (More Info): Yes
Asclepias fascicularis (Narrow-leaved Milkweed) An easy to grow native perennial that grows 2 to 3 feet tall by an equal width and rhizomes that spread the plant to form small stands. It has narrow mid-green 5 inch long leaves bundled in fascicles and attractive 2 inch wide clusters of rose-pink flowers through the summer and then in late summer goes dormant to re-emerges in mid-spring. Best planted in full sun but will grow in part sun at the sacrifice of flowers. Accepts water when given but this drought tolerant plant can be grown extremely dry and is tolerant of a wide range of soil types, including clay. In its dormant state it is hardy to winter temperatures below 0 F and useful in gardens in USDA Zones 6 through 10. This attractive plant that provides food for monarch butterfly caterpillars and provides nectar for hummingbirds and nest building materials for other birds. It has a wide natural distribution eastern Washington, and Idaho west to Oregon and south through California and Nevada into Baja California and is generally more garden tolerant that other native milkweeds. The name for the genus was one that Carl Linnaeus ascribed after Asclepius (Asklepios), the Greek god of medicine and healing because of the many folk-medicinal uses for the milkweed plants. The specific epithet is from a Latin word 'fasciculus' meaning "bundles" in reference to the way the leaves are attached to the stem in bunches called fascicles.  The information on this page is based on research conducted about this plant in the San Marcos Growers library, from online sources, and from observations made of the crops growing in our nursery, plants in the nursery's garden and those in other gardens where we may have observed it. We also have incorporated comments received from others and welcome getting feedback from those who may have additional information, particularly if this information includes cultural information that would aid others in growing Asclepias fascicularis.