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Chinese Senna

Senna obtusifolia, Fabaceae

Zones
8–11
Layer
Herbaceous
Lifespan
Annual
Growth
Fast

Guild Roles

Nitrogen FixerDynamic AccumulatorMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Koronivia GrassBrachiaria humidicola
Nitrogen FixationPest Deterrent
Sickle SennaCassia tora
Pest DeterrentPollinator Sharing

Antagonistic Plants

Caraway ThymeThymus herba-barona

Aromatic herbs like thyme produce volatile compounds that can inhibit legume growth

Uses

Functions

Nitrogen FixationSoil BreakingAllelopathic Weed SuppressionBiomass Production

Edible Parts

LeavesSeeds

Medicinal Uses

Digestive AidLaxative

Common Questions

What zones does Chinese Senna grow in?

Chinese Senna grows in USDA hardiness zones 8 through 11.

Is Chinese Senna a nitrogen fixer?

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

What are good companion plants for Chinese Senna?

Good companions for Chinese Senna include Koronivia Grass, Sickle Senna.

Design guilds with Chinese Senna and see companion relationships visually.

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