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Hoary Wallflower

Erysimum canescens, Brassicaceae

Zones
3–8
Layer
Herbaceous
Lifespan
Biennial
Growth
Fast

Guild Roles

Ground CoverMulch MakerPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Sticky StyloStylosanthes viscosa
Nitrogen FixationPollinator Sharing
Slender-flowered Scurf PeaPsoralidium tenuiflorum
Nitrogen FixationPollinator Sharing
Black PeaLathyrus niger
Nitrogen FixationWind Protection

Antagonistic Plants

Burr MedicMedicago polymorpha

Brassicaceae species like Erysimum produce glucosinolates that can inhibit legume growth and nitrogen fixation

Spreading WallflowerErysimum repandum

Both wallflowers compete for similar growing conditions and resources

Uses

Functions

Soil BreakingBiofumigationPest ControlRapid Ground Cover

Edible Parts

FlowersYoung Leaves

Common Questions

What zones does Hoary Wallflower grow in?

Hoary Wallflower grows in USDA hardiness zones 3 through 8.

What are good companion plants for Hoary Wallflower?

Good companions for Hoary Wallflower include Sticky Stylo, Slender-flowered Scurf Pea, Black Pea.

Design guilds with Hoary Wallflower and see companion relationships visually.

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