perennial

Mijke Oxalis

Oxalis triangularis 'Mijke'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

9 inches

Width

12 inches

Light

Partial Sun, Shade

Zones

8, 9

Water

Moderate

Humidity

Average to high

Lifespan

Perennial

Native To

South America

Toxicity

Toxic to pets and humans if ingested

The Story

Plant Bio

Oxalis triangularis, commonly known as the Purple Shamrock, is a perennial with distinctive trifoliate, deep purple leaves and delicate white or pinkish flowers, often forming a low, clumping ground cover. The 'Mijke' cultivar is renowned for its vibrant, intensely purple foliage and its ability to maintain striking color intensity under varying light conditions, making it a popular ornamental choice.

Bloom Period:

EarlyLate

Uses & Benefits:

Adds lush, green foliage and charming purple blooms in shaded areas.

Edible leaves can be used in salads or as garnish.

Provides nectar for pollinators and habitat for beneficial insects.

Marketplace

Where to Buy

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

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Planting

How to Grow

Tuck seeds or small bulbs into well-drained soil in early spring.
Water regularly to keep soil moist but not soggy.
Place in partial shade for optimal growth.
Mulch lightly to retain moisture and suppress weeds.
Fertilize monthly with a balanced organic fertilizer during active growth.
Remove spent flowers to encourage new blooms.

Pro Tip

Ensure well-draining soil and partial shade for best results.

Keep It Thriving

Care Guide

Do

Water consistently during dry periods 🌱
Deadhead to promote continuous flowering
Divide clumps every 2-3 years for vigorous growth

Don't

Avoid overwatering to prevent root rot ❌
Don’t expose to full sun in hot climates
Refrain from using heavy, clay-rich soil without amendments

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded rock gardenTrailing border in containersPartially shaded groundcover

Companion Plants

Hosta Ferns Heuchera Astilbe Begonia

Multiply

Propagation Methods

Good to Know

Common Questions

Mijke Oxalis questions

What zones can Mijke Oxalis grow in?

Mijke Oxalis 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 Mijke Oxalis deer resistant?

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

When does Mijke Oxalis bloom?

Mijke Oxalis 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 Mijke Oxalis need full sun?

Mijke Oxalis does best in part shade.