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Winter Injury to Boxwood in Iowa

Boxwood (Buxus sempervirens) is a dark green evergreen native to southern Europe and northern Africa. It usually grows to a height of three to four feet in the Iowa climate, and is popular for borders and hedges because of its dense, dark green foliage. Boxwood requires fertile, well-drained soils and prefers wind protection if grown on an exposed site.

Category: 
Yard and Garden
Tags: 
boxwood, evergreen, freezing

Winter Injury to Boxwood in Iowa

Typical signs of freezing injury are a blackened/brownish discoloration or bleaching of plant tissue. If the freezing injury kills a significant number of buds or cambial tissue, the plant may die or suffer so much crown die-back that it becomes unusable. If freezing injury is limited to flower buds and shoot dieback, it may require corrective pruning and time to allow the plant to grow out of the damage.

Category: 
Yard and Garden
Tags: 
boxwood, evergreen, plant damage, foliar burn, twig kill