North America Native Plant

Drummond’s Woodsorrel

Botanical name: Oxalis drummondii

USDA symbol: OXDR

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Oxalis amplifolia auct. non (Trel.) R. Knuth (OXAM2)   

Drummond’s Woodsorrel: A Charming Native Ground Cover for Southwestern Gardens If you’re looking for a delightful native plant that brings both beauty and ecological benefits to your Southwestern garden, let me introduce you to Drummond’s woodsorrel (Oxalis drummondii). This charming little perennial might not be the showiest plant in your ...

Drummond’s Woodsorrel: A Charming Native Ground Cover for Southwestern Gardens

If you’re looking for a delightful native plant that brings both beauty and ecological benefits to your Southwestern garden, let me introduce you to Drummond’s woodsorrel (Oxalis drummondii). This charming little perennial might not be the showiest plant in your garden, but it’s definitely one of the most endearing – and your local wildlife will thank you for it!

What Makes Drummond’s Woodsorrel Special?

Drummond’s woodsorrel is a native perennial forb that belongs to the wood sorrel family. Don’t let the term forb intimidate you – it simply means it’s a soft-stemmed plant (not woody like a shrub) that comes back year after year. This little gem produces adorable yellow flowers and distinctive three-part leaves that look like tiny shamrocks.

What really sets this plant apart is its dual personality as both a garden beauty and a wildlife superstar. According to research, terrestrial birds rely on Drummond’s woodsorrel for 5-10% of their diet, making it a valuable food source in native ecosystems.

Where Does It Call Home?

This is truly a plant of the American Southwest, naturally occurring in Arizona, New Mexico, and Texas. It’s perfectly adapted to the unique conditions of this region, which means it’ll thrive in your garden with minimal fuss if you live in these areas.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Drummond’s woodsorrel really shines:

  • Low maintenance: Once established, this drought-tolerant native requires very little care
  • Wildlife magnet: Provides food for birds and nectar for small native pollinators
  • Ground cover potential: Its low-growing habit makes it perfect for filling in spaces naturally
  • Authentic native appeal: Adds genuine regional character to your landscape

Growing Drummond’s Woodsorrel Successfully

The beauty of native plants is that they’re already adapted to your local conditions, and Drummond’s woodsorrel is no exception. Here’s how to help it thrive:

Ideal Growing Conditions

  • Sunlight: Full sun to partial shade – it’s quite adaptable
  • Soil: Well-draining soil is essential; it doesn’t like soggy feet
  • Water: Drought-tolerant once established, but benefits from occasional watering during extreme dry spells
  • Climate: Hardy in USDA zones 7-10, perfect for its native Southwestern range

Planting and Care Tips

Getting started with Drummond’s woodsorrel is refreshingly simple:

  • Plant in fall or early spring for best establishment
  • Space plants according to how much coverage you want – they’ll naturally spread
  • Water regularly during the first growing season to help establish roots
  • After establishment, minimal watering needed except during prolonged drought
  • Don’t be alarmed if it goes dormant during extreme heat – this is normal behavior

Perfect Garden Companions

Drummond’s woodsorrel plays well with other Southwestern natives. Consider pairing it with desert marigold, penstemon species, or native bunch grasses for a truly authentic regional landscape. It’s particularly well-suited for:

  • Native plant gardens
  • Xeriscaped landscapes
  • Naturalized wildflower areas
  • Bird and pollinator gardens

A Small Plant with Big Benefits

While Drummond’s woodsorrel might not be the flashiest plant in your garden, it’s definitely one of the most valuable from an ecological perspective. Its ability to support local bird populations while requiring minimal care makes it a smart choice for any Southwestern gardener interested in sustainable, wildlife-friendly landscaping.

By choosing native plants like Drummond’s woodsorrel, you’re not just creating a beautiful garden – you’re helping to preserve the natural heritage of your region and supporting the intricate web of life that makes the Southwest so special. Now that’s something to feel good about every time you step into your garden!

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

not a food source

not a source of cover

Large animals

not a food source

not a source of cover

Terrestrial birds

5-10% of diet

Infrequently used as cover

Water birds

not a food source

not a source of cover

Sources:

Everitt, J.H., D.L. Drawe, and R.I. Lonard. 1999. Field guide to the broad leaved herbaceous plants of South Texas used by livestock and wildlife. Texas Tech University Press. Lubbock.

Drummond’s Woodsorrel

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

Geraniales

Family

Oxalidaceae R. Br. - Wood-Sorrel family

Genus

Oxalis L. - woodsorrel

Species

Oxalis drummondii A. Gray - Drummond's woodsorrel

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