North America Native Plant

California Desert-thorn

Botanical name: Lycium californicum var. californicum

USDA symbol: LYCAC3

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

California Desert-Thorn: A Spiky Native Beauty for Drought-Tolerant Gardens If you’re looking for a tough, drought-tolerant native plant that can handle California’s challenging climate while providing food for wildlife, meet the California desert-thorn (Lycium californicum var. californicum). This spiky shrub might not win any beauty contests at first glance, but ...

California Desert-Thorn: A Spiky Native Beauty for Drought-Tolerant Gardens

If you’re looking for a tough, drought-tolerant native plant that can handle California’s challenging climate while providing food for wildlife, meet the California desert-thorn (Lycium californicum var. californicum). This spiky shrub might not win any beauty contests at first glance, but it’s a hardworking native that deserves a spot in the right garden.

What Is California Desert-Thorn?

California desert-thorn is a perennial shrub that’s as resilient as it sounds. This multi-stemmed woody plant typically grows to about 13-16 feet tall, though it usually stays smaller in garden settings. True to its name, it’s armed with thorns – nature’s way of protecting this valuable plant from hungry desert animals.

As a native species to the lower 48 states, specifically California, this shrub has evolved to thrive in some pretty tough conditions. It’s perfectly adapted to the Golden State’s dry summers and mild winters.

Why You Might Want to Plant It

Here’s where California desert-thorn really shines:

  • Drought champion: Once established, this plant laughs in the face of water restrictions
  • Wildlife magnet: Those small purple flowers attract native bees and other pollinators, while the red berries feed birds
  • Security system: Those thorns make it an excellent barrier plant for property lines
  • Low maintenance: Perfect for gardeners who want beauty without the fuss

Where It Fits in Your Garden

California desert-thorn is tailor-made for:

  • Desert and xeriscape gardens
  • Native plant landscapes
  • Wildlife habitat gardens
  • Areas where you need a natural fence or barrier
  • Spots where other plants struggle with heat and drought

It’s particularly stunning in USDA hardiness zones 9-11, where it can show off its full potential.

Growing California Desert-Thorn Successfully

The beauty of this native is its simplicity. Here’s how to keep it happy:

Location and Soil: Choose a spot with full sun and well-draining soil. This plant absolutely hates wet feet, so avoid low-lying areas where water might collect.

Watering: Water regularly during the first year to help establish roots, then back off significantly. Once established, natural rainfall should be enough in most California locations.

Planting Time: Fall and spring are ideal planting times, giving the roots time to establish before extreme weather hits.

Maintenance: Minimal pruning needed, but when you do prune, wear thick gloves and long sleeves – those thorns mean business!

A Word of Caution

While California desert-thorn is wonderful for the right situation, it’s not for everyone. Those thorns make it unsuitable for areas where children play frequently, and it might be too wild-looking for formal garden designs. However, if you’re embracing native plants and want to support local wildlife while creating a low-maintenance landscape, this tough little shrub could be exactly what you’re looking for.

Remember, gardening with natives isn’t just about having a beautiful yard – it’s about creating habitat and supporting the ecosystem that’s been here long before any of us arrived. California desert-thorn does exactly that, one purple flower and red berry at a time.

California Desert-thorn

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Solanaceae Juss. - Potato family

Genus

Lycium L. - desert-thorn

Species

Lycium californicum Nutt. ex A. Gray - California desert-thorn

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