Overview

Curcuma 'Red Emperor' is a clump forming, columnar upright herbaceous perennial in the genus Curcuma, part of the Zingiberaceae family, with evergreen foliage. Curcuma 'Red Emperor' grows best in partial shade, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1a. Suggested uses include patio and container plants, sub-tropical, houseplants and conservatory and greenhouse.

About

Curcuma 'Red Emperor' is a clump-forming, columnar upright herbaceous perennial from the genus Curcuma, known for its long, dark green foliage and tall flower spikes. This evergreen cultivar thrives in partial shade with a sheltered aspect, preferring moist but well-drained loam or sandy soils across a range of pH levels. Suited to conservatories, greenhouses, patios, and containers, it requires protection in the UK (H1a hardiness) and is propagated by division. 'Red Emperor' is particularly notable in spring, adding a tropical touch to indoor and sheltered outdoor spaces.

Growing conditions

Best soil and position for Curcuma

Sunlight
Partial shade
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Sheltered
UK hardiness
H1a

Plant details

Curcuma 'Red Emperor' size, habit and characteristics

Plant type
Herbaceous Perennial, Conservatory Greenhouse, Herbs - Culinary
Habit
Clump forming, Columnar upright
Foliage
Evergreen
Suggested uses
Patio and container plants, Sub-tropical, Houseplants, Conservatory and greenhouse

Care notes

Pruning and caring for Curcuma 'Red Emperor'

Propagation
Division
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Curcuma 'Red Emperor'?

Curcuma 'Red Emperor' prefers partial shade. It suits sheltered positions.

What soil does Curcuma 'Red Emperor' need?

Curcuma 'Red Emperor' grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Curcuma 'Red Emperor' hardy in the UK?

Curcuma 'Red Emperor' has an RHS hardiness rating of H1a, meaning it needs tropical warmth above 15°C and must be grown under glass in the UK.

How do I propagate Curcuma 'Red Emperor'?

Division.

More in the Curcuma genus

Browse all Curcuma