perennialN. America Native

Purple Shamrock

Oxalis stricta 'Plum Crazy'

Not currently listed at our partner nurseries.

Expertly Curated

Real-Time Pricing

Loved by Designers

Essentials

At a Glance

Plant Type

Perennial

Height

6 inches

Width

10 inches

Light

Partial Sun

Zones

8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Brazil

Toxicity

Contains oxalic acid, toxic in large quantities

The Story

Plant Bio

A low-growing perennial with clover-like leaves and vibrant purple flowers. The 'Plum Crazy' cultivar features unique, deep purple foliage that sets it apart from other Oxalis species.

Bloom Period:

EarlyLate

Uses & Benefits:

Vivid purple foliage adds striking color to shaded areas, thriving in low-light conditions.

Low-maintenance groundcover that suppresses weeds and prevents soil erosion.

Provides nectar for pollinators and habitat for beneficial insects.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and root in 4 weeks.
Plant in well-drained soil with partial shade for optimal growth.
Water consistently, keeping soil moist but not waterlogged.
Fertilize monthly during active growing season for vibrant foliage.
Divide crowded clumps every 2-3 years to rejuvenate plants.

Pro Tip

Use a light, well-draining soil mix and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Provide bright, indirect light for healthy growth
Feed with a balanced fertilizer monthly during spring and summer
Divide clumps in early spring to encourage bushier plants

Don't

Avoid overwatering—let soil dry slightly between watering ❌
Don’t expose to direct, harsh sunlight which can scorch leaves
Never skip dividing when overcrowded
Refrain from using heavy, clay soil that retains excess water

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid purple groundcover in shaded garden bedsDecorative border in woodland or rock gardensColorful container plant for patios

Companion Plants

Hostas Ferns Heuchera Astilbe Begonias

Multiply

Propagation Methods

Good to Know

Common Questions

Purple Shamrock questions

What zones can Purple Shamrock grow in?

Purple Shamrock 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.

Is Purple Shamrock deer resistant?

Yes — Purple Shamrock is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Purple Shamrock bloom?

Purple Shamrock typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Purple Shamrock need full sun?

Purple Shamrock does best in part shade.