There are many reasons why we don't prune after July. On this week's episode of the Gardening Tips podcast, the Chicago Botanic Garden's Jacob Burns talks about when is the best time to prune shrubs and trees.
Pruning trees and shrubs at the wrong time can weaken plants and become susceptible to environmental stresses. After July, woody plants reduce growth and prepare for dormancy in the fall.
Pruning encourages tender new growth, which can suffer sunburn during the intense heat of late summer; it may not have time to harden off or toughen up before winter comes. This makes the plant susceptible to frost damage. It can also reduce next year's flowering potential by removing already formed buds. Fresh cuts make the plant vulnerable to pests and diseases that are prevalent this time of year.
To ensure the best health and growth, for trees and shrubs, it's advisable for prune before midsummer, or during their dormant season, depending on the plant species and regional climate.
Every Saturday, listen to a new episode of the Gardening Tips podcast for timely tips on all things plants, gardens and the great outdoors. Look for the latest episode here.
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