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Now that summer is here, we must limit our stock of plants available for online purchase. Please visit your local garden center or consider pre-ordering for 2023, available later this year.

Thornless Chilean Mesquite

Prosopis chilensis

A heat-loving, drought tolerant tree with an open, airy, crown. Refined foliage and stems have a purple cast when young. An excellent specimen for a dry rock garden or waterwise landscape, or adjacent to patios or pathways in need of light shade. Planted in groups, the canopy filters harsh sunlight to reduce heat and glare. Semi-evergreen.
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Full sun

Once established, water deeply, occasionally; more in extreme heat.


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Botanical PronunciationPROS-oh-pis chil-EN-sis
LoreGenus Prosopis includes the famous trees of the American Southwest that produce nutritious pods vital to the material culture of many Native American tribes within its range.
Average Size at MaturityModerate growing; reaches 30 ft. tall and wide with age.
Bloom TimeInconspicuous; prized for foliage.
Design IdeasFew trees can rival this Mesquite for its light filtered shade. A great native of the Southwest that should be planted as groves to render patios and porches less vulnerable to oppressive heat. Plant in natural groupings for best results, or as a single specimen for front yard or beside a back patio. Keep away from pools because litter is a problem. The perfect tree for Santa Fe-style or drought-resistant gardens with a decidedly tropical flare. Particularly well adapted to Western native landscapes.
Deciduous/ EvergreenSemi-evergreen
Flower ColorGreen
Foliage ColorGreen
Garden StyleContemporary, Mediterranean, Rustic, Xeric
Growth HabitSpreading
Growth RateModerate
Landscape UseErosion Control, Mass Planting, Privacy Screen, Specimen
Light NeedsFull sun
Soil NeedsTree & Shrub Food
Special FeatureEasy Care, Tolerates Alkaline Soil, Tolerates Poor Soils, Waterwise, Bird Friendly, Heat Loving
Water NeedsLow
Watering NeedsOnce established, water deeply, occasionally; more in extreme heat.
Companion PlantsTexas Ranger (Leucophyllum); Passion Flower (Passiflora); Yucca (Yucca); Bougainvillea (Bougainvillea); Ground Morning Glory (Convolvulus)

Thrives in lean, fast-draining soils. Water deeply, regularly during the first growing season to establish an extensive root system. Once established, water only occasionally, as needed to encourage vigor; over-watering causes structurally weak wood. Fertilize lightly when new growth begins in spring.

This Plant's Growing Zones: 8-11

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone:

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