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Conservatory Greenhouse

Hedychium hasseltii

Java butterfly ginger

An erect, rhizomatous perennial to 60cm, with bright green, lance-shaped leaves and loose sprays of fragrant, white flowers turning dark cream with age inlate summer and early autumn

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Loam

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or 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)

H1C

Botanical details

Family: Zingiberaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Hedychium are rhizomatous perennials with erect, unbranched stems bearing two ranks of lance-shaped leaves, and dense terminal racemes of showy, often fragrant, trumpet-shaped flowers
Name status: Correct
Plant range: Java

How to grow

Cultivation

Grow under glass in peat-free, loam-based potting compost in bright, indirect light. Provide moderate to high humidity and good ventilation. Water freely in the growing season and feed monthly with a balanced liquid fertilizer. Keep just moist in winter

Propagation

Propagate by seed sown as soon as ripe at 21-24C, or by dividing rhizomes in spring

Suggested planting locations and garden types

Patio and container plants
Sub-tropical

Pruning

Remove old stems in winter as they deteriorate

Pests

May be susceptible to red spider mite and aphids

Diseases

Generally disease-free

Get involved

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