Smooth Mesquite

Prosopis laevigata, Fabaceae

Zones

8–11

Layer

Canopy

Lifespan

Perennial

Growth

Moderate

Guild Roles

ProducerNitrogen FixerShade ProviderWindbreakBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

7 – 8.8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Tree ChollaCylindropuntia imbricata

Nurse PlantWind Protection

Spherical-fruit BroomRetama sphaerocarpa

Nitrogen FixationNurse Plant

Thick-bark ThornVachellia pachyphloia

Nitrogen FixationNurse Plant

Manna PlantAlhagi graecorum

Nitrogen FixationBeneficial Insect Habitat

Forbes' CereusCereus forbesii

Nitrogen FixationNurse Plant

Arabian Desert RoseAdenium arabicum

Nitrogen FixationWind Protection

Desert Prickly PearOpuntia phaeacantha

Nitrogen FixationWind Protection

Impala LilyAdenium multiflorum

Nitrogen FixationPollinator Sharing

Fairy DusterCalliandra eriophylla

Nitrogen FixationShade ProvisionBeneficial Insect Habitat

Pale Bunny Ears CactusOpuntia microdasys var. pallida

Nitrogen FixationNurse PlantShade Provision

MistolZiziphus mistol

Nitrogen FixationPollinator SharingBeneficial Insect Habitat

Sweet AcaciaAcacia farnesiana

Nitrogen FixationNurse Plant

Red AcaciaVachellia seyal

Nitrogen FixationNurse Plant

Golden Flowered Century PlantAgave chrysantha

Nitrogen FixationNurse Plant

Wild Drumstick TreeMoringa peregrina

Nitrogen FixationPollinator Sharing

Queen of the Night CactusCereus hildmannianus

Physical SupportNurse PlantShade Provision

Antagonistic Plants

Athel TreeTamarix aphylla

Tamarix produces strong allelopathic compounds that inhibit nitrogen-fixing legumes like Prosopis, documented in multiple studies.

KiaweProsopis pallida

Congeneric Prosopis species exhibit allelopathic effects and compete intensely for deep water resources

Argentine MesquiteProsopis nigra

Prosopis species are known for strong allelopathic effects and aggressive root competition

Hedge CactusCereus uruguayanus

Mesquite's extensive root system and allelopathic compounds can inhibit cactus growth

Sweet Thorn AcaciaVachellia karroo

Both nitrogen-fixing legumes compete for rhizobial partners and root space

Candle-pod AcaciaVachellia hebeclada

Both nitrogen-fixing trees compete for light and space while potentially exhibiting allelopathic effects

Uses

Functions

Food ProductionNitrogen FixationShade CreationTimber ProductionErosion Control

Edible Parts

PodsSeeds

Medicinal Uses

Digestive AidWound HealingAnti-Inflammatory

Common Questions

What zones does Smooth Mesquite grow in?

Smooth Mesquite grows in USDA hardiness zones 8 through 11.

Is Smooth Mesquite a nitrogen fixer?

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

What are good companion plants for Smooth Mesquite?

Good companions for Smooth Mesquite include Tree Cholla, Spherical-fruit Broom, Thick-bark Thorn, Manna Plant, Forbes' Cereus.

Design guilds with Smooth Mesquite and see companion relationships visually.

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