Ask NOW: What is killing Tosa's trees?

Oct. 11, 2011

Is there a rumor you've heard that you would like to track down? Is there something in the community that needs to get fixed? Mary Malahy explains some of the mysteries of life in the Tosa area.

What is killing Wauwatosa's trees?

Issue: A reader noticed a lot of large trees dying in Wauwatosa neighborhoods this year. She wants to know if more are dying than usual and, if so, what is killing them. Another reader wrote to me specifically about the crab apple trees on Jackson Park Boulevard because she noticed they appear to be dying as well.

Status: Tara Blecha, arborist, said there are no more trees dying than usual. But, the ones that have died are probably a result of the dry summer.

Blecha encourages residents to make sure their trees get enough water. The forestry department doesn't have enough resources to water all the trees, so it has to ask residents to help out, she continued.

The crab apple trees on Jackson Park Boulevard aren't dying, Blecha said. She explained that they have a recurring condition called apple scab, which they have had for years. Apple scab won't kill the trees and they will look better in the spring.

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