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PlantSnap
Plant Care
Bushy st. john's wort
(Hypericum densiflorum)
Also Known As
Bushy st. john's wort, Denseflower st. john’s-wort, Large-flowered st. john's wort, Bushy st. john's-wort
About This Plant
Hypericum densiflorum is a flowering plant species native to the United States. It is a small shrub that can reach up to 3 feet (91 cm) in height and has dense clusters of yellow flowers.
Plant Care Instructions
Outdoor Size Range
2-3 feet (61-91 cm)
Light Requirements
Hypericum densiflorum prefers full sun to partial shade.
Humidity Needs
It prefers moderate humidity levels, but it can tolerate dry air.
Fertilizing Schedule
It does not require frequent fertilization, but a balanced fertilizer can be applied once a month during the growing season.
Pruning Guidelines
Pruning should be done after the flowering season to maintain its shape and size.
Common Pests and Diseases
Hypericum densiflorum is relatively pest and disease-free, but it can be affected by spider mites and whiteflies.
Indoor Size Range
12-24 inches (30-61 cm)
Watering Schedule
It requires moderate watering, and the soil should be allowed to dry slightly between watering.
Temperature Range
Hypericum densiflorum can tolerate a wide range of temperatures, from 20°F (-6°C) to 100°F (38°C).
Growing Season
Hypericum densiflorum grows from late spring to early fall.
Growing Difficulty Level
Hypericum densiflorum is easy to grow.
USDA Hardiness Zones
Hypericum densiflorum can grow in USDA hardiness zones 5a to 9b.
Did You Know?
Hypericum densiflorum is commonly used in herbal medicine to treat depression and anxiety.
