The best time to prune is after fruit appears in summer or autumn.
If pruning is done in frost prone regions in autumn or winter (assuming there is no fruit on the tree) this will push soft new growth that will not have hardened off sufficiently and will frost in winter knocking the tree back. In frost free regions in NZ citrus trees can be trimmed any time of the year as and when required. Tui Team.
Preventative methods include well-drained soil and keeping mulch and grass clippings away from the base of the tree.
First Fresh - Pruning Citrus Trees Page 2 Chunk pruning on older trees allows light into the centre of the tree. In hedgerow plantings, remove a whole scaffold limb on opposite sides of alternate trees.
This allows access for pickers into the inside of the tree. The extra light also improves the. Firstly look for evidence of the lemon tree or citrus borer – holes and cavities with sawdusty, web-like extrusions.
Because the lemon tree borer is active during summer it’s important to avoid pruning between November – March because the freshly cut ends of branches leaves your trees especially vulnerable to this insect taking treecutter.barted Reading Time: 4 mins. In cold areas, don’t prune citrus until after the frosts have passed.
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It is not necessary to prune every year. Nectarines, peaches, almonds and plums - w e recommend to prune stone fruit trees in late summer after fruiting has finished, however it can be done in early-mid autumn if necessary.