Fraxinus excelsior/ Common Ash Species Guide
Readily identifiable in winter by its black leaf-buds, the Common Ash carries opposite, pinnate leaves to 35cm long making it awkward to style effectively for bonsai.
Ease of Cultivation 8/10 Suitablity and Ease for Bonsai Styling 4/10
Position Outdoor tree only. Full sun , fully hardy to -10°C but Spring growth can be damaged by late Frosts.
Repotting Every two to three years in Spring as buds extend.
Pruning Trim shoots back hard continually throughout the growing season to encourage compact growth and to keep in shape.Pruning hard during the Summer also causes the tree to start to produce branches. Hard prune in late Winter.
Propagation Stratify seed over winter or in a refrigerator for 2-3 months before sowing outside. Air-layering in late Spring.
Pests and Diseases Generally trouble free in Europe.
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