Delonix regia

RHS Plant Profile

flamboyant

Other common names

flamboyante, flame tree, gul mohur, mohur, royal peacock flower, royal poinciana, peacock flower

Conservatory Greenhouse Trees

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A tropical, evergreen tree to 10m tall and wide in its native Madagascar. It bears elegant, fern-like leaves and clusters of exotic-looking, bright red flowers. In frost-prone areas grow in a temperate greenhouse as foliage plants, since they rarely flower in a container

Position

Full sun

Soil Types

Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1.5-2.5 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–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

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Fabaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Spreading branched
Genus: A genus of flowering plants, including trees native to East Africa and Madagascar. The foliage is fern-like and the orange-red flowers are large and have a disctinct spreading habit
Name Status: Correct
Plant Range: Madagascar

How to Grow

Cultivation

Under glass, grow in peat-free, loam-based potting compost in full light. In the growing season, water freely and apply a balanced liquid fertiliser monthly; water sparingly at other times. Top dress or pot on in spring

Propagation

Propagate by seed or semi-ripe cuttings

Suggested planting locations and garden types

Patio and container plants
Conservatory and greenhouse

Pruning

See pruning group 1; tolerates hard pruning under glass

Pests

May be susceptible to glasshouse red spider mite and glasshouse whitefly

Diseases

Generally disease-free