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Plant Care
Saucer magnolia
(Magnolia x soulangeana)
Also Known As
Saucer magnolia, Tulip tree, Chinese magnolia, Purple magnolia
About This Plant
Magnolia x soulangeana is a deciduous tree that produces large, fragrant, pink and white flowers in early spring before leaves emerge. It has a rounded shape with a height of up to 20-30 feet (6-9 meters) and a spread of up to 25-30 feet (7-9 meters).
Plant Care Instructions
Outdoor Size Range
Height: 20-30 feet (6-9 meters), Spread: 25-30 feet (7-9 meters)
Light Requirements
Magnolia x soulangeana prefers full sun to partial shade. It requires at least 4 hours of direct sunlight per day to bloom well.
Humidity Needs
Magnolia x soulangeana is adaptable to a wide range of humidity levels, but it prefers moderate to high humidity.
Fertilizing Schedule
Fertilize the plant in early spring before new growth appears, using a slow-release, balanced fertilizer. Avoid fertilizing in late summer or fall, as this can interfere with dormancy.
Pruning Guidelines
Prune the plant in late winter or early spring, before new growth appears. Remove any dead, damaged, or diseased branches, and thin out crowded or crossing branches to improve air circulation and sunlight penetration.
Common Pests and Diseases
Magnolia x soulangeana is relatively pest-free, but it can be susceptible to scale insects, spider mites, and magnolia scale. Treat infestations with insecticidal soap or horticultural oil.
Indoor Size Range
Not suitable for indoor cultivation
Watering Schedule
It prefers well-draining soil that is kept evenly moist. Water the plant deeply once a week, or more often during hot and dry weather.
Temperature Range
It prefers a temperate climate with cool winters and mild summers. It can tolerate temperatures down to -10°F (-23°C) and up to 100°F (38°C).
Growing Season
Spring
Growing Difficulty Level
Moderate
USDA Hardiness Zones
USDA Hardiness Zones 5-9
Did You Know?
Magnolia x soulangeana is a hybrid of Magnolia denudata and Magnolia liliiflora, and was first cultivated in France in the early 19th century.
