North America Native Plant

Radishroot Woodsorrel

Botanical name: Oxalis albicans

USDA symbol: OXAL

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Radishroot Woodsorrel: A Charming Native Groundcover for Natural Gardens If you’re looking to add a touch of delicate beauty to your native plant garden, radishroot woodsorrel (Oxalis albicans) might just be the perfect addition. This unassuming native perennial brings understated charm with its characteristic heart-shaped leaves and pristine white flowers, ...

Radishroot Woodsorrel: A Charming Native Groundcover for Natural Gardens

If you’re looking to add a touch of delicate beauty to your native plant garden, radishroot woodsorrel (Oxalis albicans) might just be the perfect addition. This unassuming native perennial brings understated charm with its characteristic heart-shaped leaves and pristine white flowers, making it a delightful choice for gardeners who appreciate subtle elegance over flashy blooms.

What Makes Radishroot Woodsorrel Special

Radishroot woodsorrel is a true native gem, naturally occurring across much of the western and central United States. As a perennial forb, it’s an herbaceous plant that lacks woody stems but returns year after year from its underground storage structures. Don’t let its modest appearance fool you – this little plant plays an important role in native ecosystems and can be a valuable addition to the right garden setting.

Where You’ll Find It Growing Wild

This native beauty calls home to an impressive range of states, stretching across Arizona, Arkansas, California, Colorado, Iowa, Kansas, Missouri, New Mexico, Oklahoma, Texas, and Wyoming. This wide distribution tells us that radishroot woodsorrel is quite adaptable and can handle diverse growing conditions across different regions.

Why Consider Adding It to Your Garden

There are several compelling reasons to welcome radishroot woodsorrel into your native plant collection:

  • True native credentials: Supporting local ecosystems by choosing plants that naturally belong in your region
  • Low maintenance appeal: Once established, this perennial requires minimal care
  • Pollinator support: The small white flowers provide nectar for native bees and other beneficial insects
  • Natural groundcover: Creates a soft, naturalized carpet in appropriate settings
  • Drought tolerance: Adapted to handle dry conditions once established

Perfect Garden Settings

Radishroot woodsorrel shines brightest in naturalized landscapes and prairie-style gardens. It’s an excellent choice for:

  • Wildflower meadows and prairie reconstructions
  • Native plant gardens focused on regional flora
  • Naturalized areas where you want a soft, informal groundcover
  • Rock gardens with well-draining conditions

Growing Conditions and Care

The beauty of working with native plants like radishroot woodsorrel lies in their built-in adaptability to local conditions. This hardy perennial thrives in USDA hardiness zones 5-9, making it suitable for a wide range of climates.

Ideal Growing Conditions

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils (avoid heavy clay or constantly wet conditions)
  • Water: Drought tolerant once established, but appreciates occasional water during extreme dry spells
  • Soil type: Adaptable to various soil types as long as drainage is good

Planting and Establishment Tips

Getting radishroot woodsorrel established in your garden is relatively straightforward. Plant in spring or fall when temperatures are moderate. Space plants according to how quickly you want coverage – closer spacing provides faster coverage, while wider spacing allows for more natural spreading over time.

Once planted, water regularly during the first growing season to help establish strong root systems. After that, this tough native can largely fend for itself, though it will appreciate occasional supplemental watering during extended drought periods.

What to Expect

Radishroot woodsorrel spreads gradually through underground storage structures, creating a naturalized colony over time. The delicate white flowers appear seasonally, providing gentle color while supporting small pollinators. Its heart-shaped leaflets create an attractive textural element even when not in bloom.

Is This Plant Right for Your Garden?

Radishroot woodsorrel is perfect for gardeners who value native plants and prefer subtle, natural beauty over bold garden statements. It’s ideal if you’re creating wildlife habitat, establishing prairie gardens, or simply want to support local ecosystems with regionally appropriate plants.

Consider this charming native if you’re looking for a low-maintenance groundcover that connects your garden to the broader landscape. While it may not provide the dramatic impact of showier plants, radishroot woodsorrel offers something perhaps more valuable – a genuine piece of your local natural heritage, right in your own backyard.

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