Alert: Limited Online Availability

Now that summer is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

Narrowleaf Milkweed

Asclepias fascicularis

Native to western North America, this easy care plant is a must-have in a wildlife garden. Clusters of lavender-tinted white flowers bloom above thin stems whorled with long, pointed leaves. Tolerates a variety of soils including sandy, clay, and saline. Ideal for naturalized areas, meadows, and borders. Drought tolerant. An herbaceous perennial.
There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Learn More

Your climate might be too cold for this plant:


Full sun

Once established, does not need water.


Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.

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Botanical Pronunciationas-KLE-pee-us fa-sik-yoo-LARE-is
Average Size at MaturityQuickly reaches 2 ft to 3 ft. tall, 1 ft. wide.
Bloom TimeSummer
Deciduous/ EvergreenHerbaceous
Flower AttributeFragrant, Showy Flowers
Flower ColorWhite
Foliage ColorGreen
Garden StyleCottage, Rustic
Growth HabitUpright
Growth RateFast
Landscape UseBorder
Light NeedsFull sun
Special FeatureAttracts Butterflies, Easy Care, North American Native Selection, Waterwise
Water NeedsLow
Watering NeedsOnce established, does not need water.
Companion PlantsYarrow (Achillea); Blue Fescue (Festuca); Tickseed (Coreopsis); Coneflower (Echinacea); Butterfly Bush (Buddleja); Trumpet Vine (Campsis); Bee Balm (Monarda)

Plant in full sun and mulch heavily. Water well the first month to establish. Can tolerate boggy soils in winter and dry periods of drought in summer, as well as salty coastal soils. Remove dried stems in late fall when they can easily break off at the ground, or leave as a nesting material for birds.

This Plant's Growing Zones: 6-10

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant