Skip to content
Skip to main content
PatternBase

Rosebay Willowherb

Epilobium dodonaei, Onagraceae

Zones
3–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast

Guild Roles

ProducerPollinator AttractorBeneficial Insect HabitatMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Madeira CranesbillGeranium madarense
Pollinator SharingBeneficial Insect Habitat
Lesser Water-parsnipBerula erecta
Beneficial Insect HabitatPollinator Sharing

Antagonistic Plants

Willowleaf SunflowerHelianthus salicifolius

Tall sunflowers can severely shade smaller plants like Epilobium, while producing allelopathic compounds that inhibit growth

Uses

Functions

Edible Shoots And LeavesLate Season NectarDisturbed Soil ColonizerWildlife Habitat

Edible Parts

Young ShootsLeavesFlower Buds

Medicinal Uses

Prostate HealthAnti-InflammatoryDigestive Aid

Common Questions

What zones does Rosebay Willowherb grow in?

Rosebay Willowherb grows in USDA hardiness zones 3 through 8.

What are good companion plants for Rosebay Willowherb?

Good companions for Rosebay Willowherb include Madeira Cranesbill, Lesser Water-parsnip.

Design guilds with Rosebay Willowherb and see companion relationships visually.

Try PatternBase free