Alpinia zerumbet 'Red Back' (Red Back Ginger)
Alpinia zerumbet 'Red Back', commonly known as Red Back Ginger, is a striking tropical foliage plant prized for its lush green leaves with distinctive burgundy-red undersides. This colourful form of Shell Ginger creates year-round interest through its dramatic foliage contrast, making it a popular choice for tropical gardens, screening, and feature planting.
The broad, arching leaves display rich green upper surfaces while revealing vibrant red to burgundy colouring beneath, particularly when moved by the wind. This unique characteristic adds depth, movement, and visual interest to the landscape, creating a dramatic tropical effect.
With its upright clumping habit and bold foliage, Red Back Ginger is widely used in residential gardens, commercial landscapes, resort plantings, and large decorative containers.
Key Features
Distinctive red-purple leaf undersides
Large tropical foliage
Excellent screening and feature plant
Dense clumping growth habit
Provides year-round colour and texture
Suitable for tropical and subtropical gardens
Ideal for large containers and landscape planting
Low-maintenance once established
Growth Habit and Size
Red Back Ginger grows as a vigorous clumping perennial, producing upright cane-like stems from underground rhizomes.
Mature plants typically reach between 1.5 and 3 metres in height and 1 to 2 metres in width, forming dense, lush clumps over time.
Growth is moderate to fast in warm climates with adequate moisture and nutrition.
Its upright habit makes it particularly useful for privacy screening, boundary planting, and creating tropical backdrops.
Care Requirements
Light
Performs best in part shade to bright filtered light.
Can tolerate full sun in cooler climates if provided with adequate moisture.
Partial shade often produces the best foliage quality and strongest red colouring beneath the leaves.
Watering
Prefers consistently moist soil.
Water regularly during establishment and throughout dry periods.
Established plants tolerate short periods of dryness but perform best with reliable moisture.
Soil
Thrives in rich, fertile, well-draining soils.
Benefits from compost and organic matter incorporated into the planting area.
Temperature and Humidity
Thrives in tropical and subtropical climates.
Performs best in temperatures between 18°C and 35°C.
Appreciates high humidity and warm growing conditions.
Protect from frost and prolonged cold weather.
Maintenance
Remove damaged or ageing foliage as required.
Cut older stems back to the base to encourage fresh growth and maintain a tidy appearance.
Apply a slow-release fertiliser during spring and summer.
Divide mature clumps every few years to rejuvenate growth and propagate new plants.
Mulching helps conserve moisture and improve soil health.
Common Issues
Brown Leaf Edges
Usually caused by dry conditions, low humidity, or insufficient watering.
Yellowing Leaves
Can result from nutrient deficiencies, poor drainage, or overwatering.
Slow Growth
Often caused by cool temperatures, poor soil fertility, or excessive shade.
Frost Damage
Foliage may be damaged by frost or prolonged exposure to cold conditions.
Pest Problems
Generally robust but may occasionally attract scale insects, mealybugs, or caterpillars.
Applications
Suitable for:
Tropical gardens
Subtropical landscapes
Privacy screening
Poolside planting
Commercial landscapes
Resort gardens
Feature planting
Large decorative containers
Courtyard gardens
Its contrasting foliage colour makes it particularly effective in tropical-themed planting schemes and layered landscape designs.
Specification and Care Chart
| Attribute |
Details |
| Botanical Name |
Alpinia zerumbet 'Red Back' |
| Common Name |
Red Back Ginger |
| Plant Type |
Tropical clumping perennial |
| Mature Height |
1.5m–3m |
| Mature Width |
1m–2m |
| Growth Habit |
Upright clumping |
| Growth Rate |
Moderate to fast |
| Light Conditions |
Part shade to filtered sun |
| Direct Sunlight |
Tolerates sun with adequate moisture |
| Watering Frequency |
Regular watering required |
| Soil Type |
Rich, fertile, well-draining soil |
| Drainage Requirement |
Essential |
| Temperature Range |
18°C–35°C |
| Humidity |
High preferred |
| Fertiliser |
Slow-release fertiliser during growing season |
| Maintenance Level |
Low |
| Drought Tolerance |
Moderate once established |
| Coastal Tolerance |
Moderate |
| Frost Tolerance |
Low |
| Pet Safety |
Generally regarded as non-toxic |
FAQ
What makes Red Back Ginger different from other Alpinia varieties?
Its most distinctive feature is the rich burgundy-red colouring on the underside of the leaves, which creates strong contrast and visual interest.
How large does Red Back Ginger grow?
Mature plants typically reach between 1.5 and 3 metres tall and up to 2 metres wide.
Does Red Back Ginger flower?
Yes. Mature plants may produce hanging clusters of shell-like flowers during warmer months.
Can Red Back Ginger grow in full sun?
It can tolerate full sun in cooler climates but generally performs best in part shade or filtered light.
How often should I water Red Back Ginger?
Keep the soil consistently moist, particularly during warm weather and periods of active growth.
Is Red Back Ginger suitable for screening?
Yes. Its dense upright growth habit makes it an excellent tropical screening plant.
Can it be grown in pots?
Yes. It performs well in large containers provided adequate moisture and nutrients are maintained.
Is Red Back Ginger frost tolerant?
No. It is sensitive to frost and should be protected from cold temperatures.
