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PlantSnap
Plant Care
Shower orchid
(Congea tomentosa)
Also Known As
Shower orchid, Mongolian grape, Wild grape vine, Tomentose congea
About This Plant
Congea tomentosa is a species of flowering plant in the family Lamiaceae. It is a woody climber with velvety, heart-shaped leaves and produces spikes of pink-purple flowers in the summer.
Plant Care Instructions
Outdoor Size Range
Height: 10-15 feet (3-4.5 meters), Spread: 5-8 feet (1.5-2.4 meters)
Light Requirements
Congea tomentosa prefers partial shade to full sun. In its native habitat, it grows under the canopy of taller trees, so it can tolerate shade. However, it blooms best when it receives at least 4-6 hours of direct sunlight per day.
Humidity Needs
Congea tomentosa prefers high humidity levels, ideally between 50-70%. If the air is too dry, the leaves may start to wilt or turn brown. To increase humidity, mist the leaves regularly or place a humidifier nearby.
Fertilizing Schedule
Feed Congea tomentosa with a balanced, water-soluble fertilizer every two weeks during the growing season. Reduce fertilization in the winter. Be careful not to over-fertilize, as this can burn the roots.
Pruning Guidelines
Prune Congea tomentosa in the late winter or early spring before new growth appears. Cut back any dead or damaged branches, and trim back the remaining branches to promote bushier growth. You can also train the plant to climb a trellis or other support.
Common Pests and Diseases
Common pests of Congea tomentosa include mealybugs, spider mites, and scale insects. It may also be susceptible to fungal diseases, especially if the soil is too wet.
Indoor Size Range
Not suitable for indoor cultivation
Watering Schedule
Water Congea tomentosa regularly, keeping the soil moist but not waterlogged. During the growing season, water more frequently, and reduce watering in the winter. It is important to avoid letting the soil dry out completely.
Temperature Range
Congea tomentosa prefers warm temperatures between 60-80°F (15-27°C). It cannot tolerate frost and should be protected from temperatures below 50°F (10°C).
Growing Season
The growing season for Congea tomentosa is from late spring to early fall. It may go dormant in the winter, especially in cooler climates.
Growing Difficulty Level
Congea tomentosa is moderately difficult to grow. It requires warm temperatures, high humidity, and regular watering, and may be susceptible to pests and diseases. However, with proper care, it can be a rewarding plant to grow.
USDA Hardiness Zones
Congea tomentosa is hardy in USDA zones 9-11.
Did You Know?
In its native habitat in Southeast Asia, Congea tomentosa is used in traditional medicine to treat a variety of ailments, including fever, headaches, and snake bites.
