North America Non-native Plant

Prosopis Campestris

Botanical name: Prosopis campestris

USDA symbol: PRCA11

Native status: Not native but doesn't reproduce and persist in the wild

Prosopis campestris: A Noxious Plant You Should Avoid in Your Garden If you’ve stumbled across the name Prosopis campestris in your plant research, you might be wondering whether this member of the mesquite family belongs in your garden. The short answer? It’s best to steer clear of this one, and ...

Noxious plant alert!

Prosopis campestris: A Noxious Plant You Should Avoid in Your Garden

If you’ve stumbled across the name Prosopis campestris in your plant research, you might be wondering whether this member of the mesquite family belongs in your garden. The short answer? It’s best to steer clear of this one, and here’s why.

What Is Prosopis campestris?

Prosopis campestris is a plant species within the Prosopis genus, commonly known as mesquites. While many plants in this genus are well-documented and widely studied, P. campestris remains something of a mystery in botanical circles, with limited information available about its specific characteristics and native range.

The Noxious Weed Problem

Here’s the most important thing you need to know: Prosopis campestris is classified as a noxious weed in the United States. This legal designation means it’s considered harmful to agriculture, ecosystems, or human health, and its cultivation, sale, or transportation may be restricted or prohibited.

Noxious weed listings exist for good reasons:

  • These plants can outcompete native species
  • They may damage agricultural crops or grazing lands
  • They can be difficult or expensive to control once established
  • They may pose risks to wildlife or human activities

Geographic Distribution and Legal Concerns

While specific information about P. campestris’s native range is limited, its classification as noxious in the United States means that growing, selling, or transporting this plant may violate local, state, or federal regulations. Before considering any plant in the Prosopis genus, it’s essential to check with your local agricultural extension office or weed management authorities.

Why You Should Skip This Plant

Even if you’re drawn to the idea of growing something unusual or rare, Prosopis campestris isn’t worth the risk. Here’s why responsible gardeners should look elsewhere:

  • Legal issues: You could face fines or legal consequences for growing a noxious weed
  • Environmental impact: You might inadvertently harm local ecosystems
  • Control challenges: Once established, unwanted plants can be extremely difficult to remove
  • Limited benefits: With so many wonderful native alternatives available, why take the risk?

Better Alternatives for Your Garden

Instead of risking the problems that come with noxious species, consider these approaches:

  • Research native plants in your area that provide similar aesthetic or ecological benefits
  • Contact local native plant societies for recommendations
  • Visit botanical gardens or native plant sales to see alternatives in person
  • Consult with local extension agents about region-appropriate plantings

The Bottom Line

While the botanical world is full of fascinating plants worth exploring, Prosopis campestris isn’t one you should invite into your garden. Its noxious weed status means it’s more likely to cause problems than provide benefits. Instead, focus your gardening energy on the many wonderful native plants that will beautify your landscape while supporting local ecosystems—all without the legal and environmental headaches.

Remember, being a responsible gardener means making choices that benefit not just your own space, but the broader environment and community. When it comes to P. campestris, the responsible choice is to admire it from afar (if at all) and plant something better suited to your garden and your conscience.

Prosopis Campestris

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 campestris Griseb.

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