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Drummond's Woodsorrel

Oxalis drummondii

Last reviewed: August 2026

Drummond's Woodsorrel (Oxalis drummondii)
Photo: (c) Alison Northup, some rights reserved (CC BY), uploaded by Alison Northup

Drummond's Woodsorrel is toxic to dogs and cats.

Listed as toxic by the ASPCA Animal Poison Control Center (opens in new tab) (last reviewed 2026-08-15). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.

Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.

Light

full sun

Water

low

Size

6"–12" H × 6"–9" W

Bloom

Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov

Native to

TX

Pollinators

nectar insects

Before you buy

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Browse plants for this ecoregion

Cross TimbersEdwards PlateauSouthern Texas PlainsTexas Blackland PrairiesEast Central Texas PlainsWestern Gulf Coastal Plain

Drummond's Woodsorrel is a low-growing native wildflower with delicate yellow blooms that appear nearly year-round. This compact perennial forms neat mounds with clover-like leaves and cheerful flowers that open in morning light.

In an HOA neighborhood

Drummond's Woodsorrel is an HOA-friendly choice. Maintenance level: low. Tidiness: 2 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

The long blooming season provides consistent nectar for small native bees, butterflies, and other beneficial insects throughout most of the growing season.

Common questions

How much sun does Drummond's Woodsorrel need?
Drummond's Woodsorrel grows best in full sun conditions.
When does Drummond's Woodsorrel bloom?
Drummond's Woodsorrel blooms in March, April, May, June, July, August, September, October, and November.
Where is Drummond's Woodsorrel native?
Drummond's Woodsorrel (Oxalis drummondii) is native to TX, per vouchered herbarium specimen records and regional native plant society lists.
Is Drummond's Woodsorrel toxic to dogs?
Yes. Drummond's Woodsorrel is listed as toxic to dogs by the ASPCA Animal Poison Control Center (aspca.org). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is Drummond's Woodsorrel toxic to cats?
Yes. Drummond's Woodsorrel is listed as toxic to cats by the ASPCA Animal Poison Control Center (aspca.org). If your cat has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
What pollinators does Drummond's Woodsorrel attract?
Drummond's Woodsorrel draws nectar insects.
Is Drummond's Woodsorrel HOA-friendly?
Drummond's Woodsorrel is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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