Description
Description of Plant:
Oxalis triangularis, commonly known as Purple Shamrock, is a stunning perennial renowned for its striking purple triangular leaves and delicate white or pink flowers. Hardy in USDA zones 6–9, this plant adds a bold pop of color to any space with its vibrant foliage that opens during the day and folds up at night. It’s perfect for both indoor and outdoor displays, thriving in containers, hanging baskets, or as part of garden borders.
Commonly known as:
Purple Shamrock, Love Plant, False Shamrock, Wood Sorrel
Growth Habit:
Grows to a height of 8–10 inches and spreads about 12 inches, forming a compact and low-growing mound.
The plant’s purple leaves are triangular and can appear almost black in strong light, creating an eye-catching contrast against its pale flowers.
Watering Instructions:
Prefers moderately moist soil, but avoid overwatering, as it can lead to root rot.
Water when the top inch of soil is dry to the touch, and reduce watering during the winter months when the plant may go dormant.
Soil Needs:
Thrives in well-drained, fertile soil.
Tolerates slightly acidic to neutral soils, and can adapt to a variety of soil types, including loamy or sandy soils.
Sun Requirements:
Best suited for bright, indirect light. Can tolerate some direct sunlight, but too much may cause the purple leaves to fade.
Prefers around 4–6 hours of indirect sunlight daily.
Indoor or Outdoor Tips:
Outdoor: Ideal for containers, hanging baskets, and as an accent in garden beds or along borders.
Indoor: A popular houseplant, perfect for windowsills with indirect sunlight. It also works well as a tabletop or office plant.
Perennial or Annual:
Oxalis triangularis is a perennial in USDA zones 6–9, typically grown as an indoor plant or annual in colder climates.
Additional Tips:
In colder climates, bring the plant indoors during winter or store the bulbs in a cool, dry place to replant in spring.
If the plant becomes leggy or overcrowded, cut it back to encourage fresh growth and maintain its compact habit.
Known for being easy to propagate from its bulbs, making it a fun plant to share with others.
Summary:
Oxalis triangularis ‘Purple Shamrock’ is an attractive, easy-to-care-for perennial or houseplant that offers stunning purple foliage and delicate flowers. It thrives in bright, indirect light and is ideal for both indoor and outdoor environments. Hardy in USDA zones 6–9, it’s a beautiful addition to any garden or living space.
