Drummond's Woodsorrel
Oxalis drummondii
Last reviewed: October 2026
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) 426-4435 and your veterinarian's emergency line.
Pollinator Patch flags toxic plants so you can choose a native alternative that is not on the ASPCA toxic plant list.
Native swaps for a yard with pets
Drummond's Woodsorrel is listed as toxic to dogs by the ASPCA Animal Poison Control Center. These natives fill a similar role in a planting and are not on the ASPCA toxic plant list for dogs or cats. Each plant's page carries its dated record.
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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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.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Pollinator Patch flags toxic plants like Drummond's Woodsorrel and shows natives not flagged toxic to pets for your ecoregion instead.