Pseudosasa japonica
arrow bamboo
P. japonica is a vigorous and tough, spreading, evergreen bamboo to 6m in height, forming a thicket of olive-green canes with copious narrow, shiny green leaves to 25cm in length
Size
Ultimate height
4–8 metresTime to ultimate height
5–10 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Poaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Clump forming, Suckering
- Genus
Pseudosasa are tall clump-forming to spreading evergreen bamboos which form large thickets of hollow canes and dark green, lance-shaped leaves; panicles of green or brownish flower spikelets may appear at any time of year
- Name status
Correct
- Plant range
- Japan & Korea
How to grow
Cultivation
Grow in fertile, humus-rich, moist but well-drained soil, in full sun or partial shade. Protect from cold drying winds. Creeping rootstock can become invasive in warm, moist or favourable conditions and need restraining ; see bamboo control and bamboo cultivation
Propagation
Propagate by division, divide clumps in spring, keep moist until established
Suggested planting locations and garden types
- Architectural
- Coastal
- Hedging and screens
Pruning
Remove weak, dead, damaged or spindly stems in spring and thin to show off stems to best effect. Cut out any flowering shoots promptly to discourage more from forming - see bamboo cultivation
Pests
May be susceptible to slugs
Diseases
Generally disease-free
Get involved
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