There are also 4 much smaller branches between ground level and about 4.

Prune macadamia nut trees to a central leader and so scaffold branches are spaced 6 inches apart and zig-zagged up the tree (not on top of each other.) One you have created the basic shape little pruning is needed.

The other one is 28 inches tall, same thickness as the main stem, and has 4 brand new, dark purplish leaves at the top with a light green bud tip.

However cut back branches that go in wrong directions back to your strong laterals. Sep 05, You can prune a macadamia tree to any height but to avoid having to cut large branches, it is best to do it regularly.

First remove any dead or unhealthy branches, then remove any that are growing inwards or in an unwanted direction. Finally, cut to the shape and size you want. Pruning may be necessary, but be wary when working with macadamia. If you prune off too much foliage, it often results in overly vigorous regrowth and a loss of nuts forming.

Prune any diseased or damaged branches, and any branches extending out too far. For weed control and access to gather nuts, prune three feet up the trunk from the ground.

While the macadamia is young, you can prune to shape. Sep 21, Shining a light on tree pruning.

Macadamias often need more irrigation during hot weather, which might not have been done.

Big cuts straight after harvest followed by skirting and trimming a few months later make for good nut-in-shell yields in years to come, says macadamia orchard expert, Sarah-Jane Stewart. Trials held in South Africa and Australia to measure nut yields in macadamia trees have revealed that failure to prune regularly lovely fall trees in a significant drop in tonnages as the trees Estimated Reading Time: 4 mins.