Arecastrum romanzoffianum

RHS Plant Profile

queen palm

Other common names

queen palm

Synonyms

Arecastrum romanzoffianum, Cocos acrocomioides, Cocos arechavaletana, Cocos australis, Cocos datil, Cocos geriba, Cocos martiana, Cocos plumosa, Cocos romanzoffiana

Palms Trees

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A tall, tender palm tree with a sturdy trunk, sometimes swollen around the middle, and arching, pinnate leaves composed of many linear leaflets. Pale yellow flowers are borne in flowerspikes to 1m long in summer; these are followed by orange fruits

Position

Full sun

Soil Types

Loam

Max Height

Higher than 12 metres

Max Spread

4-8 metres

Size

Time to Maturity: 20–50 years
Max Spread: 4-8 metres
Max Height: Higher than 12 metres

Growing Conditions

Loam

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): H1B

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Arecaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Columnar upright
Genus: Syagrus are a genus of ornamental palms which are native to South America. Related to the coconut, they have single, normally spineless stems and produce drooping fruit.
Name Status: Synonym
Plant Range: Brazil to NE Argentina

How to Grow

Cultivation

Under glass, grow in peat-free, loam-based potting compost in bright, filtered light. In growth water freely and apply a balanced liquid fertiliser monthly; water sparingly in winter. Pot on or topdress in spring

Propagation

Propagate by seed

Suggested planting locations and garden types

Sub-tropical
Patio and container plants
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to glasshouse red spider mite

Diseases

Generally disease-free