Wallflower

Cheiranthus allionii

Western Wallflower (Erysimum capitatum) is a biennial or short-lived perennial forb native to Western US states (such as Washington, Oregon, California, Colorado, and Montana) that can thrive in USDA Zones 4–9. Reaching a mature height of 1–2.5 feet with an erect, sturdy growth habit, it features narrow, grayish-green leaves and produces dense, showy terminal clusters of fragrant bright yellow, orange, or rusty-red four-petaled flowers. It thrives in dry, rocky, or sandy mountain slopes, prairies, and open woods in full sun and is ideal for dryland slope stabilization and pollinator conservation.

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Growing Region

Midwest, Southeast, Intermountain West, North America, Pacific Northwest, Southwest

Species Attributes

Seeds Per lb
Growing Region
Midwest, Southeast, Intermountain West, North America, Pacific Northwest, Southwest
Native
Introduced
Life Form
Forb
Life Cycle
Annual
Light Requirements
Sun
Precipitation Requirements
Low, Medium
Mature Height
1-2 ft
Flowering Season
Spring, Summer
Cool/Warm Season
Bloat/Non-Bloat
Bloom Color
Orange
Bunch/Sod

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Wallflower

Cheiranthus allionii

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