While Minnesota has been at controlling the spread of the emerald ash borer, in recent years even despite quarantines, it has gotten harder to contain the spread. Credit: Katja Schulz/Creative Commons ...
DEAR NEIL: We have moved into a 50-year-old house that has a mature Arizona ash. It’s too wide for where it is. I’m afraid its branches will break in a storm. When can it be pruned? Dear Reader: You ...
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