Oxalis deppei Iron Cross (also known as Oxalis tetraphylla) is an eye-catching, tender perennial grown primarily for its distinctive foliage. Each leaf consists of four bright green leaflets marked with a deep burgundy-purple cross at the centre, giving the plant strong ornamental appeal. From summer through autumn, delicate pink flowers are produced above the foliage, adding further interest.

Compact and easy to grow, Oxalis Iron Cross is ideal for borders, containers, and ground cover, thriving in sunny to lightly shaded positions.

Key Characteristics & Care

Appearance: Four-leaf clover-like foliage with a bold dark central cross; small pink flowers
Height: 1530 cm
Flowering Period: June to November

Planting Time: Spring, once the risk of frost has passed
Position: Full sun to light shade
Soil: Fertile, well-drained soil kept slightly moist
Watering: Moderate, regular watering; allow the top layer of soil to dry slightly between watering

Winter Care: Tender (USDA Zones 710). In colder regions, lift tubers in autumn and store in a warm, dry, frost-free place over winter.

Usage & Growing Tips

Uses: Excellent for containers, borders, and ground cover
Care Tips: Grown mainly for its striking foliage. Reduce watering as growth slows in autumn. Avoid waterlogged soil, particularly in cooler conditions.