North America Native Plant

Dixie Sandmat

Botanical name: Chamaesyce bombensis

USDA symbol: CHBO7

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Chamaesyce ammannioides (Kunth) Small (CHAM5)  âš˜  Chamaesyce ingallsii Small (CHIN9)  âš˜  Euphorbia ammannioides Kunth (EUAM2)  âš˜  Euphorbia bombensis Jacq. (EUBO9)   

Dixie Sandmat: A Humble Native Ground Cover Worth Knowing If you’re looking for a native plant that won’t win any beauty contests but will quietly do important work in your garden, meet dixie sandmat (Chamaesyce bombensis). This unassuming little annual might not be the showstopper of your landscape, but it’s ...

Dixie Sandmat: A Humble Native Ground Cover Worth Knowing

If you’re looking for a native plant that won’t win any beauty contests but will quietly do important work in your garden, meet dixie sandmat (Chamaesyce bombensis). This unassuming little annual might not be the showstopper of your landscape, but it’s got some serious credentials as a native ground cover that supports local ecosystems while asking for practically nothing in return.

What Exactly Is Dixie Sandmat?

Dixie sandmat is a native annual forb—basically a soft-stemmed, non-woody plant that completes its entire life cycle in one growing season. Don’t let the sandmat name fool you into thinking it’s related to actual mats; this little guy gets its common name from its tendency to form low, spreading patches in sandy soils. It’s also been known by several scientific names over the years, including Euphorbia bombensis and Chamaesyce ammannioides, which explains why you might see it listed differently in older gardening references.

Where Dixie Sandmat Calls Home

This southeastern native has quite the range across the lower 48 states. You’ll find dixie sandmat naturally growing throughout Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Texas, and Virginia. It’s perfectly adapted to the warm, humid conditions of the Southeast and the sandy soils that are common throughout much of this region.

The plant thrives in USDA hardiness zones 8 through 10, where it can complete its annual growing cycle without being cut short by harsh winter freezes.

Why You Might Want to Give This Little Guy a Chance

Let’s be honest—dixie sandmat isn’t going to win any Most Beautiful Native Plant awards. Its tiny, inconspicuous flowers and low-growing habit make it more of a supporting actor than a leading lady in the garden. But here’s why it deserves a spot in the right landscape:

  • Zero-maintenance ground cover: Once established, it practically takes care of itself
  • Drought tolerance: Perfect for sandy, well-draining soils where other plants struggle
  • Wildlife support: Those tiny flowers attract beneficial insects and provide food for small wildlife
  • Soil stabilization: Helps prevent erosion in sandy areas
  • Self-sowing: Will come back year after year without any help from you

Where Dixie Sandmat Shines

This isn’t a plant for formal flower borders or manicured landscapes. Instead, dixie sandmat excels in:

  • Native plant gardens: Perfect for authentic southeastern ecosystems
  • Naturalized areas: Great for meadow-style plantings and wild gardens
  • Coastal gardens: Thrives in sandy, salt-tolerant conditions
  • Rain gardens: Works well in areas that drain quickly
  • Restoration projects: Ideal for rehabilitating disturbed sandy soils

Growing Dixie Sandmat: Easy Does It

The beauty of growing dixie sandmat lies in its simplicity. This plant is about as low-maintenance as they come:

Getting Started

Dixie sandmat is easiest to grow from seed, and the good news is that it’s quite forgiving. You can direct-sow seeds in spring after the last frost, or if you’re in its native range, it will often self-sow from existing populations. Just scatter seeds over prepared soil and lightly rake them in.

Ideal Growing Conditions

  • Sunlight: Full sun (6+ hours of direct sunlight daily)
  • Soil: Sandy, well-draining soils are preferred, but it’s quite adaptable
  • Water: Drought tolerant once established; avoid overwatering
  • pH: Adaptable to a wide range of soil pH levels

Care and Maintenance

Here’s where dixie sandmat really shines—it needs almost no care once it’s established. Water lightly during dry spells in the first few weeks after planting, but after that, natural rainfall should be sufficient. No fertilizing needed, and definitely no need to deadhead or prune. Just let it do its thing!

The Bottom Line

Dixie sandmat might not be the most glamorous native plant you can choose, but it’s incredibly valuable for gardeners who want to support local ecosystems while maintaining a low-maintenance landscape. If you have sandy soil, a naturalized garden area, or you’re working on a native plant restoration project in the Southeast, this humble little annual deserves serious consideration.

Think of dixie sandmat as the reliable friend of the native plant world—not flashy, but always there when you need it, quietly doing important work without asking for much in return. In a world of high-maintenance garden divas, sometimes the most valuable plants are the ones that simply show up and get the job done.

Dixie 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

Chamaesyce bombensis (Jacq.) Dugand - dixie sandmat

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