Syagrus romanzoffiana

RHS Plant Profile
queen palm

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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