North America Native Plant

Sandmat

Botanical name: Chamaesyce

USDA symbol: CHAMA15

Life cycle: annual

Habit: vine

Native status: It's either native or not native in Canada âš˜ It's either native or not native in Hawaii âš˜ Native to the lower 48 states âš˜ Native to Navassa Island âš˜ It's either native or not native in Pacific Basin excluding Hawaii âš˜ Native to Puerto Rico âš˜ It's either native or not native in the U.S. Virgin Islands  

Sandmat: The Unassuming Native Ground Cover Your Garden Needs If you’re looking for a low-maintenance, drought-tolerant ground cover that won’t hog the spotlight but will quietly do its job, meet sandmat (Chamaesyce). This humble native plant might not win any beauty contests, but it’s the reliable friend your garden didn’t ...

Sandmat: The Unassuming Native Ground Cover Your Garden Needs

If you’re looking for a low-maintenance, drought-tolerant ground cover that won’t hog the spotlight but will quietly do its job, meet sandmat (Chamaesyce). This humble native plant might not win any beauty contests, but it’s the reliable friend your garden didn’t know it needed.

What Exactly Is Sandmat?

Sandmat refers to plants in the Chamaesyce genus, a group of native forbs and herbs that lack significant woody tissue above ground. These plants can be either annual or perennial, with their growing points located at or below the soil surface. Think of them as nature’s carpet – low-growing, spreading, and surprisingly resilient.

Where Does Sandmat Call Home?

Sandmat species are true American natives, found naturally in the lower 48 states, Puerto Rico, and Navassa Island. Their distribution is impressively wide, growing in states from coast to coast including Alabama, Arizona, California, Florida, Montana, New York, Oregon, Texas, and many others. You’ll also find them in several Canadian provinces and various U.S. territories.

Why Your Garden Might Love Sandmat

Here’s where sandmat really shines – it’s practically bulletproof once established. These plants are perfect for gardeners who want native beauty without the fuss. Here’s what makes them garden-worthy:

  • Extremely drought tolerant once established
  • Low maintenance requirements
  • Native status supports local ecosystems
  • Excellent for challenging spots where other plants struggle
  • Can handle both annual and perennial growing patterns

Perfect Garden Matches

Sandmat isn’t for every garden situation, but when it fits, it really fits. Consider sandmat for:

  • Xeriscaping and drought-tolerant landscapes
  • Rock gardens and gravelly areas
  • Naturalized garden spaces
  • Areas with poor or sandy soil
  • Ground cover in challenging locations

Growing Sandmat Successfully

The beauty of sandmat lies in its simplicity. These plants generally prefer well-drained soils and can tolerate full sun to partial shade conditions. Because the genus includes species adapted to various climates, you’ll likely find sandmat varieties suitable for USDA hardiness zones ranging from 3 through 11.

For planting success, focus on drainage – sandmat species typically dislike wet feet. Once established, they’re remarkably drought tolerant and require minimal care. This makes them ideal for busy gardeners or those looking to reduce garden maintenance.

Supporting Local Wildlife

While sandmat flowers are small and unassuming, they can attract tiny pollinators and beneficial insects. As native plants, they’re part of the local ecosystem web, supporting the wildlife that evolved alongside them.

The Bottom Line on Sandmat

Sandmat won’t be the star of your garden show, but it might just become your most dependable performer. If you’re looking for a native ground cover that can handle tough conditions while supporting local ecosystems, sandmat deserves a spot on your plant list. Just remember – this is a plant that rewards patience and appreciates being left alone once it settles in.

Before selecting a specific sandmat for your garden, research the particular species available in your area, as growing requirements can vary between different Chamaesyce species. Your local native plant society or extension office can help you choose the best variety for your specific location and garden conditions.

Sandmat

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

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Chamaesyce Gray - sandmat

Species

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