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PlantSnap
Plant Care
Queen's wreath
(Petrea volubilis)
Also Known As
Queen's wreath, Purple wreath, Sandpaper vine
About This Plant
Petrea volubilis is a species of flowering plant in the Verbenaceae family. It is a woody vine that can grow up to 10 meters in length. It is known for its beautiful clusters of small, lavender-blue flowers that bloom in the spring and summer.
Plant Care Instructions
Outdoor Size Range
Height: 20-30 feet (6-9 m), Spread: 20-30 feet (6-9 m)
Light Requirements
Petrea volubilis prefers full sun to partial shade. It can tolerate some shade, but too much shade will result in fewer flowers.
Humidity Needs
Petrea volubilis prefers high humidity, but can tolerate average indoor humidity levels. Mist the leaves regularly if growing indoors.
Fertilizing Schedule
Fertilize every two weeks during the growing season with a balanced fertilizer. Reduce fertilizer in the winter.
Pruning Guidelines
Prune in the late winter or early spring before new growth appears. Petrea volubilis can be pruned heavily to control its size.
Common Pests and Diseases
Common pests include spider mites, whiteflies, and mealybugs. Diseases are not common.
Indoor Size Range
Not suitable for indoor cultivation
Watering Schedule
Water regularly, keeping the soil moist but not waterlogged. Allow the top inch of soil to dry out before watering again.
Temperature Range
Petrea volubilis prefers warm temperatures between 70-85°F (21-29°C). It cannot tolerate freezing temperatures.
Growing Season
Spring and summer
Growing Difficulty Level
Moderate. Petrea volubilis requires some care and attention, but is generally easy to grow.
USDA Hardiness Zones
9b-11
Did You Know?
Petrea volubilis is the national flower of the island nation of Saint Lucia in the Caribbean.
