perennial

Pale Pink-Sorrel

Oxalis incarnata

The Story

Plant Bio

Oxalis incarnata is a low-growing perennial herb that spreads via a network of slender underground rhizomes, bulbs, and bulbils. The delicate, three-parted heart-shaped leaves form dense mounds, topped by solitary, pale pink to white flowers with prominent darker veins.

This species is distinguished by its ability to produce tiny, vegetative bulbils not only underground but also in the aerial leaf axils. These structures allow the plant to survive summer drought and rapidly colonize disturbed soils.

Uses & Benefits:

Forms a neat, clover-like groundcover with delicate pale pink flowers that open in bright light.

Highly drought-tolerant during summer, surviving dry periods entirely through underground storage organs.

Provides a minor nectar source for small generalist pollinating insects during winter and early spring.

Essentials

At a Glance

Plant Type

Perennial

Height

12"

Width

12"

Light

Full Sun, Partial Sun, Shade

Zones

8, 9, 10

Water

Low

Humidity

Moderate

Lifespan

Perennial

Native To

Southern Africa

Toxicity

Toxic to Pets and Livestock

Bloom period

Winter – Spring

In flower about 6 months of the year

Planting

How to Grow

Select a site with well-drained sandy or loamy soil in full sun to partial shade.
Plant bulbs or rhizomes 1 to 2 inches deep in late summer or early fall.
Water moderately during the active winter and spring growing seasons to establish the root system.
Withhold water entirely during the summer dormancy phase when the foliage naturally dies back.

Pro Tip

Avoid hand-pulling established clumps; this action detaches the tiny aerial and soil-bound bulbils, leaving them behind to multiply and worsen the infestation.

Keep It Thriving

Care Guide

Do

Provide excellent soil drainage to prevent the underground bulbs from rotting.
Clear away dead foliage and spent stems once the plant enters summer dormancy.

Don't

Do not apply heavy fertilizers, as excess nutrients trigger aggressive bulbil production rather than flowers.
Do not plant in open garden beds near natural waterways or sensitive native habitats.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pest Check
Plant
Propagate
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Rock gardensContainer specimensShaded border edging

Companion Plants

Asarum caudatum Polystichum munitum Iris douglasiana

Multiply

Propagation Methods

Good to Know

Common Questions

Pale Pink-Sorrel questions

What zones can Pale Pink-Sorrel grow in?

Pale Pink-Sorrel is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does Pale Pink-Sorrel bloom?

Pale Pink-Sorrel typically blooms in winter through spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Pale Pink-Sorrel need full sun?

Pale Pink-Sorrel does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Pale Pink-Sorrel drought tolerant?

Yes — once established (usually after the first full season), Pale Pink-Sorrel handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.