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PlantSnap
Plant Care
Three-nerved sundew
(Drosera trinervia)
Also Known As
Three-nerved sundew, Trilobite sundew
About This Plant
Drosera trinervia is a carnivorous plant species that belongs to the sundew family. The plant has small, round leaves covered in red hairs that secrete a sticky substance to capture insects. It is native to Australia and New Zealand.
Plant Care Instructions
Outdoor Size Range
6-12 inches (15-30 cm)
Light Requirements
Drosera trinervia requires full sun to partial shade. It is best to provide the plant with direct sunlight for at least 4-6 hours a day.
Humidity Needs
Drosera trinervia prefers high humidity levels of around 60-80%. It is recommended to place the plant in a tray with water to increase humidity levels.
Fertilizing Schedule
Drosera trinervia does not require fertilizer as it obtains its nutrients from insects it captures.
Pruning Guidelines
The plant does not require pruning, but dead leaves should be removed to avoid fungal diseases.
Common Pests and Diseases
Common pests for Drosera trinervia include spider mites, aphids, and whiteflies. The plant is also susceptible to fungal diseases if overwatered.
Indoor Size Range
6-12 inches (15-30 cm)
Watering Schedule
The plant should be kept moist at all times. It is recommended to use distilled or rainwater to avoid adding minerals to the soil, which can harm the plant.
Temperature Range
The plant thrives in temperatures between 60-80°F (15-27°C). It is important to avoid extreme temperatures and sudden temperature changes.
Growing Season
Drosera trinervia can be grown year-round indoors. Outdoors, it is best to grow the plant during the warmer months of the year.
Growing Difficulty Level
Drosera trinervia is considered moderately difficult to grow as it requires specific growing conditions and care. It is recommended for experienced growers.
USDA Hardiness Zones
Drosera trinervia is not frost-tolerant and is best suited for USDA hardiness zones 9-11.
Did You Know?
Drosera trinervia is also known as the 'three-veined sundew' due to the three prominent veins on its leaves.
