Crataegus/ Hawthorn Bonsai

Bonsai Species Guides: Page 2 of 2

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Page 2 of 2:


POSITION Full sun or semi-shade. Very resistant to strong winds and require a position with good air-circulation to help resist fungal diseases such as mildew. Though fully hardy when grown in the ground, Hawthorn bonsai require some frost protection from temperatures below -10°C.

Fortnightly with either high nitrogen to promote strong growth or high phosphorus and potassium fertiliser to promote flowering and fruiting. In late summer use a low nitrogen feed to harden growth for the coming winter.

REPOTTING Annually in Spring as leaf buds extend in a basic soil mix.

Hard prune in late winter or early Spring, small wounds can take a long time to completely heal over, larger wounds, over 3cm in width, are unlikely to completely heal. Pinch out new growth in Spring and through the growing season.

Can be wired anytime through the growing season though Autumn is best, older branches thicken very slowly so wire can be left in place for long periods.

Remove seed from flesh as soon as ripe and sow outside. Softwood cuttings in summer and air-layers in Spring. Surprisingly airlayers can take a long time to root; great care must be taken to remove every part of the cambium layer.

Caterpillars, aphids, rust and mildews.

Suitable for all forms except broom. Suitable for all sizes.

<<Crataegus/Hawthorn Bonsai Species Guide: Page 1 of 2