Washingtonia × filibusta
Washington palm
a tree-like palm with a stout trunk to 20m, and arching, narrow-lobed, fan-shaped leaves 2-3m in length; flowers creamy-white, in large panicles
Synonyms
Washingtonia 'Filibusta'
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Size
Ultimate height
Higher than 12 metresTime to ultimate height
20–50 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Cream | Green Grey Silver | ||
| Autumn | Green Grey Silver | Black | ||
| Winter | Green Grey Silver |
Position
- Partial shade
Aspect
East–facing or North–facing
Exposure
Sheltered Hardiness
H1CBotanical details
- Family
- Arecaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Genus
Washingtonia are large evergreen palms with stout solitary trunks bearing long-stalked, rounded leaves palmately divided into linear segments, and large, arching panicles of flowers, followed by small, berry-like black fruits
- Name status
Correct
- Plant range
- S. California, W. Arizona, Mexico
How to grow
Cultivation
Grow under glass in a peat-free, loam-based compost with equal parts added pulverised bark and organic matter, in bright light but with protection from the sun. Water moderately and provide moderate humidity when in growth and apply a liquid fertiliser monthly during the summer. Water sparingly in winter
Propagation
Propagate by seed sown at not less than 24°C
Suggested planting locations and garden types
- Architectural
- Patio and container plants
Pruning
No pruning required
Pests
May be susceptible to glasshouse red spider mite and scale insects
Diseases
Generally disease-free
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