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PlantSnap
Plant Care
False shamrock
(Oxalis triangularis)
Also Known As
False shamrock, Purple shamrock, Wood sorrel, Love plant, Lucky shamrock
About This Plant
Oxalis triangularis is a perennial plant species that belongs to the Oxalidaceae family. It is commonly known as the Purple Shamrock or Love Plant due to its heart-shaped leaves and purple color. The plant is native to Brazil, but it is now commonly found around the world as an ornamental plant.
Plant Care Instructions
Outdoor Size Range
6-12 inches (15-30 cm) tall and 8-12 inches (20-30 cm) wide
Light Requirements
Oxalis triangularis requires bright, filtered light to thrive. Direct sunlight can scorch the leaves, so it is best to place the plant in a location where it can receive indirect sunlight for most of the day.
Humidity Needs
The plant prefers moderate humidity levels. It can tolerate dry air, but it may benefit from occasional misting or being placed on a pebble tray to increase humidity levels.
Fertilizing Schedule
Feed the plant with a balanced liquid fertilizer every 2-3 weeks during the growing season (spring and summer). Reduce feeding during the fall and winter months.
Pruning Guidelines
Prune the plant as needed to maintain its shape and size. Pinch off any yellow or dead leaves to promote new growth.
Common Pests and Diseases
Common pests for Oxalis triangularis include spider mites, mealybugs, and aphids. It can also be susceptible to fungal diseases if overwatered.
Indoor Size Range
6-8 inches (15-20 cm) tall and 8-10 inches (20-25 cm) wide
Watering Schedule
The plant prefers to be kept moist but not waterlogged. Water the plant when the top inch of soil feels dry to the touch. Be careful not to overwater as this can lead to root rot.
Temperature Range
Oxalis triangularis prefers temperatures between 60-75°F (15-24°C). It can tolerate slightly cooler temperatures, but it is sensitive to frost and should be protected from freezing temperatures.
Growing Season
The plant grows best during the spring and summer months.
Growing Difficulty Level
Oxalis triangularis is a relatively easy plant to grow, making it a popular choice for beginner gardeners.
USDA Hardiness Zones
Oxalis triangularis is not frost-tolerant and is best grown in USDA hardiness zones 8-11.
Did You Know?
Oxalis triangularis is known for its unique ability to fold its leaves at night, resembling a sleeping plant. This is due to a process called nyctinasty, which is a response to changes in light and temperature.
