Alpinia purpurata

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<em>Alpinia</em> <em>purpurata</em> visionspictures.com
<em>Alpinia</em> <em>purpurata</em> visionspictures.com
Conservatory Greenhouse

A tender perennial up to 4m high, with lance-shaped, slightly glossy green leaves to 80cm long. In summer, produces long, semi-upright flower spikes, with small white flowers surrounded by overlapping, bright red bracts

Position

Partial shade

Soil Types

Loam

Max Height

2.5-4 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
2.5-4 metres

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Neutral

Position

Partial shade
Aspect
East–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H1A

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Zingiberaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
Genus
Alpinia are evergreen, clump-forming perennials with ginger-scented rhizomes. Strong, slender, reed-like stems to 3m high support lance-shaped leaves and sprays of flowers with showy, colourful bracts
Name Status
Correct

How to Grow

Cultivation

Grow under glass with a minimum temperature of 16°C in winter, in peat-free, loam-based compost with added leaf mould and composted bark. Position in bright, filtered light, ideally in a border where growth will not be constricted. Water freely in the growing season and moderately in winter

Propagation

Propagate by seed sown at 20°C as soon as ripe, or by division in spring

Suggested planting locations and garden types

  • Architectural
  • Sub-tropical
  • Conservatory and greenhouse

Pruning

Cut out flowered stems in spring

Pests

Generally pest-free

Diseases

Generally disease-free