Oaxaca Leucaena

Leucaena diversifolia, Fabaceae

Zones

9–12

Layer

Understory

Lifespan

Perennial

Growth

Fast

Guild Roles

Nitrogen FixerMulch MakerWindbreak

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

5.5 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Canary GrassPhalaris canariensis

Nitrogen FixationShade Provision

Slenderleaf BundleflowerDesmanthus leptophyllus

Nitrogen FixationShade Provision

SiratroMacroptilium atropurpureum

Nitrogen FixationShade ProvisionBeneficial Insect Habitat

Hairy IndigoIndigofera hirsuta

Nitrogen FixationShade ProvisionBeneficial Insect Habitat

Antagonistic Plants

Himalayan KnotweedPolygonum polystachyum

Himalayan Knotweed may compete aggressively with Oaxaca Leucaena for light and space, potentially showing allelopathic effects.

Thompson's KudzuPueraria thomsonii

Aggressive kudzu can overwhelm and shade out tree legumes through rapid climbing growth

Desert BluebellsPhacelia campanularia

Leucaena produces mimosine and other compounds that inhibit many herbaceous plants

Uses

Functions

Nitrogen FixationWindbreakLiving FenceCoppice WoodDeep Soil Improvement

Edible Parts

Young PodsSeedsFlowers

Common Questions

What zones does Oaxaca Leucaena grow in?

Oaxaca Leucaena grows in USDA hardiness zones 9 through 12.

Is Oaxaca Leucaena a nitrogen fixer?

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

What are good companion plants for Oaxaca Leucaena?

Good companions for Oaxaca Leucaena include Canary Grass, Slenderleaf Bundleflower, Siratro, Hairy Indigo.

Design guilds with Oaxaca Leucaena and see companion relationships visually.

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