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PlantSnap
Plant Care
Pineweed st. johnswort
(Hypericum dissimulatum)
Also Known As
Pineweed st. johnswort, Yellow st. john's-wort, Dissimulating st. john's-wort
About This Plant
Hypericum dissimulatum is a species of flowering plant in the family Hypericaceae. It is an evergreen shrub that can grow up to 3 feet (90 cm) tall and 4 feet (120 cm) wide. The leaves are dark green, leathery, and oblong in shape. The flowers are yellow and bloom in the summer.
Plant Care Instructions
Outdoor Size Range
3-4 feet (90-120 cm)
Light Requirements
Hypericum dissimulatum prefers full sun to partial shade. It can tolerate some shade but will not flower as well.
Humidity Needs
Hypericum dissimulatum prefers moderate humidity but can tolerate dry air.
Fertilizing Schedule
Fertilize the plant in the spring with a balanced fertilizer. Avoid fertilizing in the fall or winter.
Pruning Guidelines
Prune the plant in the spring to shape it and remove any dead or damaged branches. Avoid pruning in the fall or winter.
Common Pests and Diseases
Hypericum dissimulatum is generally pest-free, but can be susceptible to scale insects and spider mites.
Indoor Size Range
12-24 inches (30-60 cm)
Watering Schedule
Water the plant deeply once a week during the growing season. Reduce watering in the winter months.
Temperature Range
The plant can tolerate a wide range of temperatures from 20-100°F (-7-38°C).
Growing Season
The growing season for Hypericum dissimulatum is from spring to fall.
Growing Difficulty Level
Hypericum dissimulatum is an easy plant to grow and maintain.
USDA Hardiness Zones
Hypericum dissimulatum is hardy in USDA zones 7-10.
Did You Know?
The plant is commonly used in herbal medicine to treat depression and anxiety.
