Bonsai Training Information

Fraxinus excelsior
Ash, European Ash, Common Ash

Common Ash is a broad, spreading, deciduous tree, capable of reaching 100 feet, native to most of Southern Europe including Britain. Large Ash leaves and its heavy coarse branches make Ash suitable for only larger sized bonsai.


Formal upright, Informal Upright, Slanting, Broom




Full sun to partial shade. It prefers a protected spot out of the wind, but can tolerate a windy spot if it well watered.


Water daily during summer, on hot windy days Ash leafs transpire a lot of water, additional watering may be needed. Water sparingly in winter.


Use and organic feed during the growing season. Hold of on feeding during the hottest of summer months.

Leaf and Branch Pruning:

Pinch out shoots as soon as 1 to 2 leaf lets appear on a shoot.

Re-potting & Growing Medium:

Every second year when the plant is young, every 4 to 5 years on plants older than 10 years. Cut away up to a third of the roots. Repot in regular mix 3 parts loam, 1 part sharp sand. Conversely use 1 Part Akadama and 1 Part Pumice.


Wiring on younger branches at most any time of the year. Older branches use anchor wire to shape as they are quite ridged and brittle.


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