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PlantSnap
Plant Care
Slender sundew
(Drosera linearis)
Also Known As
Slender sundew, Linear-leaved sundew, Narrow-leaved sundew
About This Plant
Drosera linearis, commonly known as slender sundew, is a carnivorous plant species that belongs to the Droseraceae family. It is an herbaceous perennial plant that grows up to 6 inches (15 cm) tall. The plant has long, narrow, green leaves covered with red tentacles that secrete a sticky mucilage to trap insects. The flowers are small, white, and appear in the summer.
Plant Care Instructions
Outdoor Size Range
4-6 inches (10-15 cm)
Light Requirements
Slender sundews require bright, direct sunlight for at least 6 hours a day. They can also tolerate partial shade.
Humidity Needs
Slender sundews require high humidity levels of at least 60%. They can be grown in a terrarium or greenhouse to maintain high humidity levels.
Fertilizing Schedule
Slender sundews do not require fertilization as they obtain their nutrients from insects. However, if grown in poor soil, they can benefit from occasional feeding with a diluted insectivorous plant fertilizer.
Pruning Guidelines
Slender sundews do not require pruning as they are small plants. However, dead leaves and flowers can be removed to maintain the plant's appearance.
Common Pests and Diseases
Slender sundews are susceptible to mealybugs, spider mites, and aphids. They can also be attacked by snails and slugs. Regular inspection and removal of pests is necessary.
Indoor Size Range
4-6 inches (10-15 cm)
Watering Schedule
The soil should be kept moist at all times, and the plant should be watered with distilled or rainwater. Avoid using tap water or any water with high mineral content.
Temperature Range
The ideal temperature range for slender sundews is between 60-80°F (15-27°C). They can tolerate temperatures as low as 50°F (10°C) and as high as 90°F (32°C).
Growing Season
Slender sundews can be grown year-round indoors. Outdoors, they grow during the summer months.
Growing Difficulty Level
Slender sundews are moderately difficult to grow. They require specific growing conditions and regular maintenance to thrive.
USDA Hardiness Zones
Slender sundews are not assigned USDA hardiness zones as they are not frost-tolerant plants.
Did You Know?
Slender sundews are one of the few carnivorous plants that can be grown indoors as houseplants. They are also used in traditional medicine to treat respiratory illnesses.
