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California Native Plant

Asclepias fascicularis

Narrow-Leaf Milkweed

Plant photo of: Asclepias fascicularis
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Information by: The Plant Nerd Inc.        Photographer: Bert Wilson laspilitas.co

 

Description

A critical plant in the life-cycle of the Monarch butterfly whose larvae feed on the foliage. Dormant in winter. Produces light green narrow leaves on stalks to 3'. Clusters of pinkish white flowers in the summer. Used effectively in natural gardens and butterfly gardens. Virtually carefree. Low water use.

Maintenance Tips

Asclepias fascicularis is a California native herbaceous perennial that is known for being a host plant to the Monarch butterfly. It can grow up to 3' tall and wide and is generally a rangy-looking shrub. It is rarely grown in a garden for its aesthetic value and is commonly planted to bring butterflies into the garden. Since it is a host plant, the butterflies will lay eggs on the plants, and the caterpillars will eat the leaves, often stripping the plant of all foliage and causing it to appear unsightly. Pruning is rarely necessary, as the caterpillar's appetites usually take care of maintaining the size of the plant. This is a drought-tolerant, sun-loving plant, so make sure to plant in full sun in well-drained soil to ensure its success.

 

Plant Type

Perennial

Height Range

1-3'

Flower Color

Pink, White

Flower Season

Summer

Leaf Color

Light Green

Bark Color

n/a

Fruit Color

n/a

Fruit Season

n/a

Sun

Full

Water

Very Low

Growth Rate

Fast

Soil Type

Sandy, Loam, Rocky

Soil Condition

Average, Well-drained, Dry

Soil pH

Neutral

Adverse Factors

n/a

Design Styles

Meadow, Mediterranean, Ranch, Wild Garden

Accenting Features

Unusual Foliage

Seasonal Interest

Summer

Location Uses

Entry, Walkways, With Rocks

Special Uses

Container, Cut Flowers, Naturalizing

Attracts Wildlife

Butterflies

Water Saving Tip:

Adjust sprinklers to avoid watering sidewalks and driveways.