Brown spots on leaves are often caused by insects like aphids.

Very light pruning can be done anytime if proper pruning techniques are followed. Remember to follow the tips for proper pruning and do not remove more than 25 percent of the live branches and leaves annually. Plant When to Prune Native trees Early summer (May – early June) Non-native deciduous trees During winter dormancy (January)File Size: 27KB.

pruning should begin before the plant reaches the desired size Slow growing shrubs normally have a well defined branch structure Shearing should be avoided Fast growing shrubs generally have many shoots originating at the base of the plant and require regular pruning.

Feb 20, This is how the plant should look in a few months.

Notice how two stems have grown on two sides of the cut that was made. If you want to"shape" your bush to grow outward, just prune the inside growth. Do the opposite if you want a tighter plant. If you're trying to set a limit to height, prune it about cm ( inches) below the desired height%. Pruning recommendations of individual regional plants are provided and shrubs for formal and informal hedges are listed.

Revised 01/ Originally published 10/