Fraxinus lanuginosa
Japanese ash
Large, deciduous, rounded tree about 15m tall, with dark green leaves to 15cm long with up to 7 leaflets, turning yellow then purple in autumn. Creamy-white flowers are produced in panicles, late spring, followed by reddish-brown winged fruits. Conspicuous winter buds are pale pink or greyish-brown with short hairs
Size
Ultimate height
Higher than 12 metresTime to ultimate height
10–20 yearsUltimate spread
Wider than 8 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Cream Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green | Brown Red | ||
| Autumn | Yellow Purple | |||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Oleaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Spreading branched
- Genus
Fraxinus are medium-sized to large, mostly deciduous trees with attractive pinnate leaves, sometimes conspicuous flowers and autumn colour, and distinctive winged fruits
- Name status
Correct
- Plant range
- Japan
How to grow
Cultivation
Excellent for woodland and coastal gardens where there is moist but well-drained alkaline or neutral soil and full sun. See tree cultivation
Propagation
Propagate by seed or grafting
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Wildlife gardens
Pruning
Pests
Generally pest-free
Diseases
Ash dieback has recently been found in the UK. Restrictions have been put in place (from 29 October 2012) regarding both the importation of ash from abroad and the movement of ash within the UK. May also be susceptible to honey fungus
Get involved
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