Gardening with Allen: How to prune your trees

Allen Wilson is a gardening specialist primarily based in Vancouver. E-mail Allen Wilson at

A few of my timber want pruning. Can I do a few of the pruning myself or ought to I simply rent an arborist?

If the timber should not too massive, you are able to do a few of the pruning your self. Most evergreen conifers do not require a lot pruning except they’re broken. Often the highest turns into broken and as a substitute of a single chief rising upwards, two or extra branches start to develop upwards. Simply go away the strongest and trim or take away the others. Typically a number of of the facet branches develop longer in order that the tree isn’t symmetrical. Simply shorten the lengthy branches. Most coniferous evergreens look finest when all the branches are allowed to develop to the bottom. Within the case of pines and firs, generally a few of the decrease branches are eliminated.

Broad-leaved timber, whether or not deciduous or evergreen, usually have their decrease branches eliminated as much as 6 to eight ft as they develop in peak. It’s best to trim the decrease branches, quite than eradicating them, till the timber are not less than 10 ft tall. These 6 to 12 inch shortened branches feed the trunk the place they’re and make it develop in diameter sooner than in the event that they had been fully eliminated.

If branches are damaged or broken, they need to be pruned simply above a smaller facet department or eliminated fully. When eradicating branches, search for a raised space on the department close to the trunk that appears like a collar. This collar comprises wound therapeutic tissue that may recuperate the minimize sooner if it isn’t circumcised. Use a three-pruning methodology to take away massive branches. The primary minimize must be constructed from beneath a number of inches above the final minimize. The second minimize must be constructed from the highest a number of inches previous the primary minimize. If the department breaks beneath the burden of the second minimize, it is not going to tear the bark additional than the undercut. Then the stub could be eliminated within the third minimize.

Bushes ought to by no means be shortened to any peak by slicing all branches above that peak. If they aren’t trimmed immediately over a smaller facet department, three or extra weak branches will develop again which are topic to wind injury.