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Coffee Senna

Senna occidentalis, Fabaceae

Zones
8–11
Layer
Herbaceous
Lifespan
Annual
Growth
Fast

Guild Roles

Nitrogen FixerMulch MakerPest Confuser

Growing Conditions

Sun

Full Sun (preferred)

Water

Moderate (established)High (seedling)

Soil pH

5.5 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Moorish mustardBrassica maurorum
Pest DeterrentTrap Crop
Mexican StyloStylosanthes mexicana
Nitrogen FixationPest Deterrent

Antagonistic Plants

Arrowhead RattleboxCrotalaria sagittalis

Both plants produce alkaloids and may exhibit allelopathic effects on each other, competing for similar soil resources

Uses

Functions

Nitrogen FixationBiomass ProductionNematode SuppressionSummer Cover

Edible Parts

Young Leaves

Medicinal Uses

Digestive AidSkin Conditions

Common Questions

What zones does Coffee Senna grow in?

Coffee Senna grows in USDA hardiness zones 8 through 11.

Is Coffee Senna a nitrogen fixer?

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

What are good companion plants for Coffee Senna?

Good companions for Coffee Senna include Moorish mustard, Mexican Stylo.

Design guilds with Coffee Senna and see companion relationships visually.

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