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PlantSnap
Plant Care
Least yellow sorrel
(Oxalis exilis)
Also Known As
Least yellow sorrel, Trailing wood sorrel, Dwarf sorrel, Australian sorrel
About This Plant
Oxalis exilis is a flowering plant species from the Oxalidaceae family. It is commonly known as the 'Least Wood Sorrel' due to its small size and delicate appearance. The plant has small clover-like leaves and produces tiny pink or white flowers. It is native to South Africa and is often grown as a houseplant.
Plant Care Instructions
Outdoor Size Range
6-8 inches (15-20 cm) tall and 6-8 inches (15-20 cm) wide
Light Requirements
Oxalis exilis prefers bright, indirect light. It can tolerate some direct sunlight, but too much can scorch the leaves.
Humidity Needs
Oxalis exilis prefers moderate humidity levels, but can tolerate lower humidity levels. It benefits from occasional misting, especially in dry indoor environments.
Fertilizing Schedule
The plant benefits from regular fertilization during the growing season (spring and summer). Use a balanced fertilizer every 2-3 weeks.
Pruning Guidelines
Oxalis exilis does not require regular pruning, but can be trimmed to maintain its shape or to remove any dead or damaged leaves.
Common Pests and Diseases
Common pests include spider mites, mealybugs, and aphids. It may also be susceptible to fungal diseases such as powdery mildew.
Indoor Size Range
6-8 inches (15-20 cm) tall and 6-8 inches (15-20 cm) wide
Watering Schedule
The plant should be watered when the top inch of soil feels dry to the touch. It prefers to be kept evenly moist, but overwatering can lead to root rot.
Temperature Range
The plant prefers temperatures between 60-75°F (15-24°C). It can tolerate slightly cooler temperatures, but should be protected from frost.
Growing Season
Spring and summer are the growing seasons for Oxalis exilis.
Growing Difficulty Level
Oxalis exilis is relatively easy to grow and care for, making it a good choice for beginner gardeners.
USDA Hardiness Zones
Oxalis exilis is not frost hardy and should be grown as a houseplant. It does not have a USDA hardiness zone.
Did You Know?
The leaves of Oxalis exilis fold up at night and open again in the morning, a phenomenon known as nyctinasty.
