North America Non-native Plant

Syrian Mesquite

Botanical name: Prosopis farcta

USDA symbol: PRFA2

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Prosopis stephaniana (M. Bieb.) Kunth ex Spreng. (PRST5)   

Syrian Mesquite: A Beautiful but Problematic Plant You Should Avoid When it comes to choosing plants for your garden, sometimes the most attractive options aren’t the best choices. Syrian mesquite (Prosopis farcta) is a perfect example of why it’s important to do your homework before adding any new species to ...

Noxious plant alert!

Syrian Mesquite: A Beautiful but Problematic Plant You Should Avoid

When it comes to choosing plants for your garden, sometimes the most attractive options aren’t the best choices. Syrian mesquite (Prosopis farcta) is a perfect example of why it’s important to do your homework before adding any new species to your landscape. While this shrub might catch your eye with its delicate foliage and cheerful yellow flowers, it’s actually a plant you’ll want to steer clear of.

What is Syrian Mesquite?

Syrian mesquite is a perennial shrub that typically grows as a multi-stemmed woody plant, usually reaching heights of 13 to 16 feet. Originally native to the Mediterranean region, Middle East, and Central Asia, this thorny character has unfortunately made its way to North America where it’s become quite the troublemaker.

You might also see this plant listed under its botanical name Prosopis farcta, or its scientific synonym Prosopis stephaniana. Whatever you call it, the message remains the same: this is one plant that’s better admired from a distance (preferably a very long distance!).

Where Does Syrian Mesquite Grow?

In the United States, Syrian mesquite has established populations in Arizona, where it reproduces on its own without any human assistance. This ability to spread independently is part of what makes it such a concerning species.

Why You Should Avoid Planting Syrian Mesquite

Here’s where things get serious: Syrian mesquite is officially listed as a noxious weed in the United States. This designation isn’t given lightly – it means this plant poses a significant threat to native ecosystems, agriculture, or human health. When a plant earns this unwelcome badge, it’s definitely not something you want in your garden.

As a non-native species that readily establishes and spreads in the wild, Syrian mesquite can:

  • Outcompete native plants for resources
  • Alter local ecosystem dynamics
  • Create dense thickets that are difficult to manage
  • Potentially impact agricultural areas

What Makes Syrian Mesquite Appealing (But Still Problematic)

It’s worth understanding why someone might be tempted by this plant in the first place. Syrian mesquite does have some attractive qualities:

  • Small, bright yellow ball-shaped flowers that bloom in clusters
  • Feathery, delicate-looking foliage
  • Exceptional drought tolerance
  • Ability to thrive in poor soils
  • Flowers that attract bees and other pollinators

The plant is hardy in USDA zones 8-11 and can handle full sun conditions with minimal water once established. These characteristics might seem perfect for water-wise gardening, but the environmental costs far outweigh any potential benefits.

Better Native Alternatives

Instead of risking the ecological damage that Syrian mesquite can cause, consider these native alternatives that offer similar benefits without the drawbacks:

  • Desert Willow (Chilopsis linearis) – offers beautiful flowers and drought tolerance
  • Fairy Duster (Calliandra eriophylla) – provides similar feathery foliage and pollinator appeal
  • Palo Verde species – native trees with yellow flowers and exceptional drought tolerance
  • Native Acacia species – thorny shrubs with attractive flowers

If You Encounter Syrian Mesquite

If you discover Syrian mesquite growing on your property or in your community, the best course of action is removal. Contact your local extension office or invasive species management program for guidance on proper removal techniques and disposal methods. Early detection and rapid response are key to preventing this species from becoming more established.

The Bottom Line

While Syrian mesquite might have some appealing characteristics, its status as a noxious weed makes it a poor choice for any garden or landscape. As responsible gardeners, we have the power to make choices that support local ecosystems rather than harm them. By choosing native alternatives, you can create a beautiful, drought-tolerant landscape that works with nature rather than against it.

Remember: the most beautiful garden is one that enhances rather than threatens the natural world around it. Let’s keep Syrian mesquite out of our gardens and give native plants the chance to shine instead!

Syrian Mesquite

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Prosopis L. - mesquite

Species

Prosopis farcta (Banks & Sol.) J.F. Macbr. - Syrian mesquite

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA