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PlantSnap
Plant Care
High mallow
(Malva alcea)
Also Known As
High mallow, Cheese plant, Malva
About This Plant
Malva alcea is a biennial or short-lived perennial plant species that is native to the Mediterranean region. It has a tall, erect stem that can reach up to 6 feet (1.8 meters) in height, with large, heart-shaped leaves and showy, hollyhock-like flowers that range in color from white to pink to purple.
Plant Care Instructions
Outdoor Size Range
Height: 3-6 feet (0.9-1.8 meters), Spread: 2-3 feet (0.6-0.9 meters)
Light Requirements
Hollyhock Mallow prefers full sun but can tolerate partial shade.
Humidity Needs
It can tolerate a wide range of humidity levels.
Fertilizing Schedule
It benefits from a balanced fertilizer applied in the spring.
Pruning Guidelines
It does not require pruning but can be deadheaded to encourage more blooms.
Common Pests and Diseases
Common pests include aphids, spider mites, and whiteflies, while common diseases include powdery mildew and rust.
Indoor Size Range
Not recommended for indoor growing
Watering Schedule
It prefers moist, well-drained soil and should be watered regularly, especially during hot, dry weather.
Temperature Range
It prefers moderate temperatures and can tolerate a light frost.
Growing Season
It blooms from mid-summer to early fall.
Growing Difficulty Level
Hollyhock Mallow is relatively easy to grow and maintain.
USDA Hardiness Zones
It is hardy in USDA zones 6-9.
Did You Know?
The flowers of Hollyhock Mallow are edible and can be used to decorate cakes or added to salads for a pop of color.
