North America Native Plant

Radishroot Woodsorrel

Botanical name: Oxalis albicans albicans

USDA symbol: OXALA

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Oxalis californica (Abrams) R. Knuth var. subglabra Wiegand (OXCAS)  âš˜  Oxalis corniculata L. ssp. albicans (Kunth) Lourteig (OXCOA2)  âš˜  Oxalis corniculata L. var. wrightii (A. Gray) B.L. Turner (OXCOW)  âš˜  Oxalis pilosa Nutt. var. wrightii (A. Gray) Wiegand (OXPIW)  âš˜  Oxalis wrightii A. Gray (OXWR)  âš˜  Xanthoxalis albicans (Kunth) Small (XAAL)  âš˜  Xanthoxalis wrightii (A. Gray) Abrams (XAWR2)   

Radishroot Woodsorrel: A Charming Native Ground Cover for Your Garden Meet radishroot woodsorrel (Oxalis albicans albicans), a delightful native perennial that’s been quietly brightening up American landscapes long before any of us picked up our first gardening gloves. This unassuming little plant might not win any showiest flower contests, but ...

Radishroot Woodsorrel: A Charming Native Ground Cover for Your Garden

Meet radishroot woodsorrel (Oxalis albicans albicans), a delightful native perennial that’s been quietly brightening up American landscapes long before any of us picked up our first gardening gloves. This unassuming little plant might not win any showiest flower contests, but it has a charm all its own that makes it worth considering for your garden.

What Makes Radishroot Woodsorrel Special?

This native gem belongs to the wood sorrel family and goes by several scientific names, including Oxalis wrightii and Xanthoxalis albicans. But don’t let the fancy names fool you – this is a down-to-earth plant that’s perfectly happy living simply.

As a perennial forb (that’s garden-speak for a non-woody plant that comes back year after year), radishroot woodsorrel forms low-growing clumps of distinctive three-part leaves that look like tiny shamrocks. From spring through fall, it produces small but cheerful yellow flowers that seem to glow in the sunlight.

Where Does It Call Home?

Radishroot woodsorrel is a true American native, naturally found across the south-central United States. You can spot it growing wild in Arizona, Arkansas, Colorado, Iowa, Kansas, Missouri, New Mexico, Oklahoma, Texas, and Wyoming. This wide distribution tells us something important – this plant is adaptable and resilient.

Why You Might Want to Grow It

Here are some compelling reasons to give radishroot woodsorrel a spot in your garden:

  • It’s drought tolerant once established, perfect for water-wise gardening
  • Native pollinators love the small yellow flowers
  • Low maintenance – it pretty much takes care of itself
  • Hardy across USDA zones 4-9, handling both cold winters and hot summers
  • Great for naturalizing areas where you want a wild, prairie-like feel

Perfect Garden Spots

Radishroot woodsorrel shines in several garden settings:

  • Prairie and wildflower gardens
  • Rock gardens and xeriscapes
  • Naturalized areas where you want low-maintenance ground cover
  • Native plant gardens focused on regional flora

It’s not the best choice for formal flower beds or high-traffic areas, but it’s perfect for those spaces where you want nature to take the lead.

Growing Conditions and Care

One of the best things about radishroot woodsorrel is how easy-going it is. Here’s what it prefers:

  • Full sun to partial shade (though it flowers best with plenty of sunlight)
  • Well-draining soil – it’s not picky about soil type but hates soggy conditions
  • Minimal water once established
  • Space to spread naturally through underground bulbs

Planting and Care Tips

Getting started with radishroot woodsorrel is refreshingly simple:

  • Plant in spring or fall when temperatures are moderate
  • Space plants about 6-12 inches apart if planting multiples
  • Water regularly the first season to help establish roots
  • After that, natural rainfall should be sufficient in most areas
  • Don’t be surprised if it goes dormant during extreme heat or cold – it’ll bounce back

The plant spreads gradually through small underground bulbs, so give it room to naturalize. If it spreads more than you’d like, simply dig up excess bulbs in early spring.

Supporting Local Wildlife

While radishroot woodsorrel might look modest, it plays an important role in supporting local ecosystems. The flowers attract various small pollinators, including native bees and butterflies, providing them with nectar throughout the growing season.

Is This Plant Right for You?

Radishroot woodsorrel is perfect if you’re looking for a low-maintenance native that supports local wildlife without demanding much attention. It’s ideal for gardeners who appreciate subtle beauty over flashy displays and want to create habitat for native pollinators.

However, if you’re after bold, showy flowers or need a plant for high-traffic areas, you might want to look elsewhere. This little woodsorrel is more about quiet charm than garden drama.

Consider adding radishroot woodsorrel to your native plant collection – sometimes the most rewarding garden additions are the ones that simply fit in naturally, doing their part to support local wildlife while brightening up neglected corners with their cheerful yellow blooms.

Radishroot 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 albicans Kunth - radishroot woodsorrel

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