Fraxinus pennsylvanica Cimmaron ('Cimmzam')
green ash [Cimmaron]
Fast-growing, deciduous spreading tree, narrow in habit when young, to about 18m tall, with downy shoots and green leaves borne late in spring that turn yellow, red and burgundy in autumn and are held on the tree longer than other selections. Inconspicuous, pale, petalless flowers in spring, but no fruit is produced
Size
Ultimate height
Higher than 12 metresTime to ultimate height
20–50 yearsUltimate spread
Wider than 8 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Purple | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Yellow Red Purple | |||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical 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
Trade
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 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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