Cycas revoluta
Japanese sago palm
A slow-growing, palm-like evergreen perennial to 2m, with arching pinnate leaves to 1.5m in length, and golden-brown, ovoid inflorescences which are rarely seen except on mature plants
Size
Ultimate height
1–1.5 metresTime to ultimate height
20–50 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Brown Yellow | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Partial shade
Aspect
South–facing or East–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Cycadaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Tufted
- Potentially harmful
- Harmful if eaten, skin irritant. Wear gloves and other protective equipment when handling TOXIC to pets (dogs, cats) - see the HTA guide to potentially harmful plants for further information and useful contact numbers
- Genus
Cycas are evergreen dioecious perennials with stout woody trunks bearing large, leathery, pinnate leaves in a terminal rosette; male inflorescences are large and cone-like, female ones consist of smaller, modified leaves
- Name status
Correct
- Plant range
- Far East
How to grow
Cultivation
Grow under glass in a peat-free, loam-based potting compost with additional leaf mould and grit; provide full light with shade from hot sun and moderate humidity. Water moderately in the growing season, sparingly at other times. Alternatively in frost free areas, grow in a moist but well-drained soil in bright light with some protection from full sun
Propagation
Propagate by seed or suckers
Suggested planting locations and garden types
- Architectural
- Patio and container plants
Pruning
No pruning required
Pests
Generally pest-free outdoors, but may be susceptible to glasshouse red spider mite under glass
Diseases
Generally disease-free
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