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PlantSnap
Plant Care
Shell ginger
(Alpinia zerumbet)
Also Known As
Shell ginger, Zingiber zerumbet, Singapore ginger, Variegated ginger
About This Plant
Alpinia zerumbet is a tropical perennial plant that grows up to 8-10 feet (2.4-3 meters) tall. It has large, showy leaves that are green on top and burgundy underneath. The plant produces fragrant, white or pink flowers that bloom in the summer and fall. The flowers are shaped like cones and are surrounded by bright red bracts.
Plant Care Instructions
Outdoor Size Range
8-10 feet (2.4-3 meters)
Light Requirements
Alpinia zerumbet prefers partial shade to full shade. Direct sunlight can scorch the leaves.
Humidity Needs
Alpinia zerumbet prefers high humidity levels. The plant can benefit from being misted regularly, especially during dry periods.
Fertilizing Schedule
The plant benefits from regular fertilization during the growing season with a balanced, water-soluble fertilizer.
Pruning Guidelines
Alpinia zerumbet can be pruned to control its size and shape. Pruning should be done in the spring before new growth appears.
Common Pests and Diseases
Common pests for Alpinia zerumbet include spider mites, mealybugs, and scale insects. Diseases can include root rot and leaf spot.
Indoor Size Range
3-6 feet (0.9-1.8 meters)
Watering Schedule
The plant needs to be watered regularly, and the soil should be kept moist but not waterlogged. It is important to avoid letting the soil dry out completely.
Temperature Range
The plant prefers warm temperatures between 60-85°F (15.5-29.4°C). It cannot tolerate frost or freezing temperatures.
Growing Season
The plant can be grown year-round in warm, tropical climates. In cooler climates, it can be grown as an indoor plant.
Growing Difficulty Level
Alpinia zerumbet is moderately difficult to grow. It requires consistent care and attention to thrive.
USDA Hardiness Zones
Alpinia zerumbet is hardy in USDA zones 8-11.
Did You Know?
In traditional medicine, the leaves and rhizomes of Alpinia zerumbet have been used to treat a variety of ailments, including headaches, fever, and coughs.
