Alcantarea Imperialis 'Rubra' (Imperial Bromeliad)
Imperial Bromeliad / Succulents
Imperial Bromeliad
Alcantarea Imperialis 'Rubra'
| Sun Requirements | Full Sun Half Shade Part Shade Dappled Light |
|---|---|
| Height | 1.2m |
| Drought Tolerance | Keep Watered During Hot Periods |
| Frost Tolerance | Light Frost |
| Origin | Exotic |
| Design Use | Containers Feature Plant Foliage Interest Mass Plantings |
| Width | 1.5 m |
| Flower Colour | White Red Purple |
| Flowering Period | Summer |
| Climate | Zone 3 Zone 4 Zone 5 Zone 6 Zone 7 |
| Foliage Colour | Blue-Grey Leaves Purple Leaves |
| Foliage Cover | Evergreen |
The Dapple Designs Expert Says:
Alcantarea imperialis 'Rubra' (Imperial Bromeliad) Guide
Alcantarea imperialis 'Rubra', also known as Imperial Bromeliad, is a very large bromeliad that originates from Brazil. It is tolerant of a wide range of conditions and perfect to give your garden that tropical feel even if you live in a temperate area.Alcantarea imperialis ‘Rubra’ (Imperial Bromeliad) – Growing & Care Guide
Alcantarea imperialis ‘Rubra’, commonly known as the Imperial Bromeliad, is a stunning, large-growing bromeliad renowned for its deep red to burgundy foliage. Native to Brazil, this slow-growing yet hardy species thrives in Australian gardens, offering a tropical architectural look with minimal maintenance.
Key Facts About Alcantarea imperialis ‘Rubra’
| Botanical Name | Alcantarea imperialis ‘Rubra’ |
|---|---|
| Common Name | Imperial Bromeliad, Giant Bromeliad |
| Native Region | Brazil |
| Sunlight Requirements | Full sun to partial shade |
| Mature Size | Up to 1.5m tall and 1.8m wide |
| Watering Needs | Low – stores water in its central tank |
| Soil Type | Well-draining, sandy or loamy soil |
| Drought Tolerance | High – can withstand dry conditions |
| Flowering | Once in its lifetime after 8–20 years |
How to Grow Alcantarea imperialis ‘Rubra’ in Sydney
Sydney’s mild winters and warm summers create an ideal environment for the Imperial Bromeliad.
Sunlight and Placement
- Thrives in full sun to partial shade.
- Can be grown in pots or garden beds.
Soil and Watering
- Use well-draining soil with added compost.
- Water by filling the central tank every two weeks in dry conditions.
How to Grow Alcantarea imperialis ‘Rubra’ in Melbourne
Melbourne’s cooler winters require some frost protection for young plants.
Temperature and Frost Protection
- Position in a sheltered area or near warm surfaces.
- Use mulch around the base for insulation.
Soil and Maintenance
- Ensure excellent drainage to prevent root rot.
- Reduce watering during winter to prevent excess moisture.
How to Grow Alcantarea imperialis ‘Rubra’ in Brisbane
Brisbane’s hot and humid climate is perfect for the Imperial Bromeliad.
Sun and Humidity Considerations
- Prefers morning sun and afternoon shade in extreme heat.
- Ensure good airflow to prevent fungal issues.
Watering and Fertilising
- Water by filling the central tank weekly during dry periods.
- Feed with liquid bromeliad fertiliser every three to four months.
Benefits of Growing Alcantarea imperialis ‘Rubra’
- Low Maintenance – thrives with minimal care.
- Drought-Tolerant – stores water in its central tank.
- Architectural Beauty – adds a bold, tropical look.
- Hardy and Versatile – adapts to different climates.
FAQs About Alcantarea imperialis ‘Rubra’
How fast does the Imperial Bromeliad grow?
It is slow-growing, taking up to 8–20 years to flower.
Does Alcantarea imperialis ‘Rubra’ need full sun?
Yes, it thrives in full sun but can tolerate partial shade.
Can I grow it in a pot?
Yes, but ensure good drainage and use a large container.
How often should I water it?
Fill the central tank every two weeks in dry conditions.
When does it flower?
It blooms once in its lifetime, producing a massive flower spike.
Why Choose Dapple Landscape Design?
Dapple Landscape Design creates stunning landscapes that incorporate low-maintenance, high-impact plants like the Imperial Bromeliad. Contact us for expert planting advice and tailored landscape solutions.
Contact us today for a personalised garden design consultation!
If you would like a one-off garden design that perfectly incorporates the Alcantarea Imperialis, give us a call on 1300 DAPPLE (1300 327 753) to speak to our expert Sydney Landscape Designer.
Give our landscape designer a call today on 1300 DAPPLE (1300 327 753) for the best garden advice
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