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Large-flower Pink-sorrel

Oxalis debilis

Last reviewed: August 2026

Large-flower Pink-sorrel (Oxalis debilis)
Photo: Forest & Kim Starr / Wikimedia Commons (CC BY 3.0)

Large-flower Pink-sorrel is toxic to dogs and cats.

Listed as toxic by the ASPCA Animal Poison Control Center (opens in new tab) (last reviewed 2026-05-21). 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

part shade

Water

medium

Size

6"–12" H × 6"–12" W

Bloom

Apr, May, Jun, Jul, Aug, Sep

Pollinators

bees, butterflies

Native alternatives to Large-flower Pink-sorrel

Large-flower Pink-sorrel is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

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Large-flower pink-sorrel is a low-growing perennial with clover-like leaves and bright pink flowers that bloom from spring through fall. This compact plant forms neat mounds and thrives in partially shaded areas with moderate water needs. The cheerful flowers provide reliable color for extended periods in the garden.

In an HOA neighborhood

Large-flower Pink-sorrel takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Commonly considered a weed by many homeowners
  • May spread aggressively and appear unkempt
  • Often mistaken for invasive oxalis species

Wildlife value

This plant attracts bees and butterflies with its long blooming season from April through September. The extended flower production makes it a valuable nectar source during much of the growing season.

Common questions

How much sun does Large-flower Pink-sorrel need?
Large-flower Pink-sorrel grows best in part shade conditions.
When does Large-flower Pink-sorrel bloom?
Large-flower Pink-sorrel blooms in April, May, June, July, August, and September.
Is Large-flower Pink-sorrel toxic to dogs?
Yes. Large-flower Pink-sorrel 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 Large-flower Pink-sorrel toxic to cats?
Yes. Large-flower Pink-sorrel 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 Large-flower Pink-sorrel attract?
Large-flower Pink-sorrel draws bees and butterflies.
Is Large-flower Pink-sorrel HOA-friendly?
Large-flower Pink-sorrel takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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.

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