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Native Utah Plants

Narrowleaf Milkweed

Narrowleaf Milkweed

Asclepias fascicularis

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Narrowleaf Milkweed (Asclepias fascicularis) is one of those quietly essential plants that earns its place in any water-wise landscape. With its slender, airy foliage and clusters of soft pink blooms, it adds a light, naturalistic texture that pairs beautifully with grasses and other native perennials. It doesn’t demand much, just sun and well-drained soil, and in return, it brings life and movement to the garden throughout the summer.

More importantly, this plant plays a critical ecological role. It’s a key host plant for monarch butterflies, supporting their full life cycle, while also drawing in a wide range of pollinators. Despite its delicate appearance, it’s tough, adaptable, and well-suited to Utah’s drier conditions, making it a smart choice for gardeners looking to balance beauty with purpose.

Plant Profile

Scientific name: Asclepias fascicularis

Duration: Perennial

Native region: Wasatch Front Valley and Southern Utah

Native elevation: 2000-7000 ft

Water requirement: Low

Drought tolerance: High

Light requirement: Full sun

Shade tolerance: Low

Mature size: 24-48" H by 12-24" W

Bloom time: June - September

Flower color: Pink

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