Sickle Senna

Cassia tora, Fabaceae

Zones

8–11

Layer

Herbaceous

Lifespan

Annual

Growth

Fast

Guild Roles

Nitrogen FixerGround CoverMulch MakerPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Hairy IndigoIndigofera hirsuta

Nitrogen FixationPest Deterrent

Chinese SennaSenna obtusifolia

Pest DeterrentPollinator Sharing

Clustered CloverTrifolium glomeratum

Pest DeterrentTrap Crop

Townsville StyloStylosanthes humilis

Nitrogen Fixation

Antagonistic Plants

Marsh PeaLathyrus palustris

Both legumes compete for similar rhizobial partners and root zone nutrients

Uses

Functions

Nitrogen FixationNematode SuppressionSoil ImprovementQuick Biomass

Edible Parts

LeavesSeeds

Medicinal Uses

DigestiveLaxative

Common Questions

What zones does Sickle Senna grow in?

Sickle Senna grows in USDA hardiness zones 8 through 11.

Is Sickle Senna a nitrogen fixer?

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

What are good companion plants for Sickle Senna?

Good companions for Sickle Senna include Hairy Indigo, Chinese Senna, Clustered Clover, Townsville Stylo.

Design guilds with Sickle Senna and see companion relationships visually.

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