Wild Senna

Senna hebecarpa, Fabaceae

Zones

4–8

Layer

Shrub

Lifespan

Perennial

Growth

Moderate

Guild Roles

Nitrogen FixerPollinator Attractor

Growing Conditions

Sun

Partial Sun (tolerated)Full Sun (optimal)

Water

Moderate

Soil pH

5.5 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

HawthornCrataegus monogyna

Nitrogen FixationBeneficial Insect Habitat

Old Fashioned WeigelaWeigela florida

Nitrogen Fixation

Tagasaste / Tree LucerneCytisus proliferus

Nitrogen FixationPollinator Sharing

Antagonistic Plants

Mountain AndromedaPieris floribunda

Wild senna can produce allelopathic compounds typical of legumes that may interfere with growth of acid-loving ericaceous plants like mountain andromeda.

Uses

Functions

Nitrogen FixationMedicine

Common Questions

What zones does Wild Senna grow in?

Wild Senna grows in USDA hardiness zones 4 through 8.

Is Wild Senna a nitrogen fixer?

Yes, Wild Senna is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Wild Senna?

Good companions for Wild Senna include Hawthorn, Old Fashioned Weigela, Tagasaste / Tree Lucerne.

Design guilds with Wild Senna and see companion relationships visually.

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