bulb corm tuberN. America Native

Violet Woodsorrel

Oxalis violacea

The Story

Plant Bio

Oxalis violacea is a stemless, bulbous geophyte native to central and eastern North American open woods, glades, and bluffs. It features trifoliate, clover-like leaves with inversely heart-shaped leaflets that fold downward at night or during overcast conditions.

Unlike aggressive yellow-flowered woodsorrels, violet woodsorrel forms well-behaved clumps that expand slowly via underground scaly bulblets. Leafless scapes carry clusters of rose-purple to lavender blossoms above purplish-backed foliage in spring, frequently producing a secondary flush in fall.

Uses & Benefits:

Displays lavender-purple spring flowers and clover-like, purplish-tinged foliage that adds delicate texture to rockeries and borders.

Drought-tolerant geophyte that remains compact and naturalizes quietly in well-drained native gardens.

Provides early nectar and pollen for native bees, small butterflies, and visiting hummingbirds.

Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

16"

Width

12"

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8, 9

Water

Low to Medium

Humidity

Moderate

Lifespan

Perennial

Native To

North America

Toxicity

Low (Oxalic acid)

Bloom period

Spring – Fall

In flower about 9 months of the year

Planting

How to Grow

Select a site in full sun to partial shade with well-draining sandy, loamy, or organic soil.
Plant scaly bulbs 1 to 2 inches deep with the pointed growth tip facing upward, spaced 4 to 6 inches apart.
Water lightly after planting to settle the soil around the bulbs without oversaturating.
Allow foliage to wither naturally post-bloom so energy returns to the bulb for the next growing cycle.

Pro Tip

Plant bulbs in sharply draining soil; saturated winter or summer soil causes the dormant bulbs to decay rapidly.

Keep It Thriving

Care Guide

Do

Ensure soil drains freely to prevent bulb rot during dormancy.
Allow leaves to turn yellow and die back naturally in summer or winter.
Divide overcrowded bulb colonies every three to four years during autumn dormancy.

Don't

Do not overwater during summer dormancy when foliage has died back.
Do not plant in heavy, waterlogged clay without amending for drainage.
Do not cut back green leaves before they fully wither.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Rock gardenNative woodland gardenBorder edgingContainer display

Companion Plants

Phlox divaricata Claytonia virginica Dodecatheon meadia Sanguinaria canadensis

Multiply

Propagation Methods

Good to Know

Common Questions

Violet Woodsorrel questions

What zones can Violet Woodsorrel grow in?

Violet Woodsorrel is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Violet Woodsorrel deer resistant?

Not reliably. Deer may browse Violet Woodsorrel, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Violet Woodsorrel bloom?

Violet Woodsorrel typically blooms in spring through fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Violet Woodsorrel need full sun?

Violet Woodsorrel does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Violet Woodsorrel drought tolerant?

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