Syagrus romanzoffiana

RHS Plant Profile

queen palm

Synonyms

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

Palms

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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: Correct
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