Silk Oil Bean

Pentaclethra filamentosa, Fabaceae

Zones

10–12

Layer

Canopy

Lifespan

Perennial

Growth

Fast

Guild Roles

Nitrogen FixerShade ProviderProducerWindbreak

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (fruiting)High (established)High (seedling)

Soil pH

5 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Purple Stemmed TaroXanthosoma violaceum

Nitrogen FixationShade Provision

Santa MariaCalophyllum brasiliense

Nitrogen FixationBeneficial Insect Habitat

Native MangosteenGarcinia warrenii

Nitrogen FixationPollinator Sharing

LerenCalathea allouia

Nitrogen FixationShade Provision

Cush-cush YamDioscorea trifida

Nitrogen FixationPhysical Support

Antagonistic Plants

Guaba RojaInga heterophylla

Leguminous trees may compete for nitrogen fixation sites and growing space

Soap Pod WattleAcacia concinna

Leguminous trees may compete for rhizobial associations and soil nutrients

Uses

Functions

Nitrogen FixationOil ProductionTimberErosion Control

Edible Parts

Seeds

Medicinal Uses

Skin TreatmentAnti-Inflammatory

Common Questions

What zones does Silk Oil Bean grow in?

Silk Oil Bean grows in USDA hardiness zones 10 through 12.

Is Silk Oil Bean a nitrogen fixer?

Yes, Silk Oil Bean is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Silk Oil Bean?

Good companions for Silk Oil Bean include Purple Stemmed Taro, Santa Maria, Native Mangosteen, Leren, Cush-cush Yam.

Design guilds with Silk Oil Bean and see companion relationships visually.

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