Oxalis tetraphylla - Iron Cross Shamrock - Various Sizes

Iron Cross Oxalis: A Striking Four-Leaf Wonder

Unique Characteristics of Iron Cross Oxalis

The Iron Cross Oxalis, also known as Oxalis tetraphylla, is an eye-catching plant distinguished by its four-lobed leaves, each marked with a striking purple cross in the center. Known for its compact growth and vibrant green foliage, this plant blooms with small, pinkish-red flowers, creating a stunning contrast to its unique leaves. It’s a perfect addition to any garden or indoor collection.

Oxalis Tetraphylla Plant Profile

• Scientific Name: Oxalis Tetraphylla syn. O. Deppei
• Common Name: Iron Cross, Good Luck Plant, Wood Sorrel
• Family: Oxalidaceae 
• Native Range: Mexico

Oxalis Tetraphylla Care Guide

• Light Requirements: Prefers Full Sun, Bright Indirect Light, Tolerates Partial Shade
  
• Water: Water once the top inch of soil is dry, water less in winter as they go dormant 
• Soil: Oxalis prefer well-draining soil that is slightly acidic with a pH between 5.5 and 6.5. 
• Humidity:  40-60% 
• Temperature:  60-75°F (15-24°C). 
• Feeding:  Water-soluble fertilizer with equal amounts of nitrogen, phosphorus, and potassium (such as a 10-10-10 or 20-20-20 formula) monthly
• Propagation: Oxalis triangularis can be propagated through division of the bulbs or corms.
• Pests: Few pest problems but look out for aphids, spider mites, mealybugs. 
• Toxicity: All parts of this plant can be toxic to pets if ingested in large amounts; please handle with care. Leaves and flowers are edible for humans but should be used in moderation.
  

Fun Fact: A Lucky Charm with a Twist

Did you know that Iron Cross Oxalis is often associated with good luck, similar to the traditional four-leaf clover? While it's not a true clover, the four-leaf pattern gives it a similar symbolism, making it a favorite for gifting and home décor!

The History of Iron Cross Oxalis: A Cultivar with Roots in Mexico

Iron Cross Oxalis, native to Mexico, was introduced to the horticultural world in the late 19th century. Its captivating foliage quickly made it a popular choice among plant enthusiasts. Named for its distinct purple cross pattern, this cultivar gained fame for its charm and resilience, thriving in both garden beds and containers. Over time, it has become a favorite for adding a splash of color and luck to indoor and outdoor spaces alike.