DULUTH — On a frigid January morning, Rich Larson scales a big tamarack tree, breaking off branches as he climbs towards his target. About 30 feet high, as the wind swirls around him, Larson, 59 ...

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Hackberry is a tree with an elm-like form and is, ... Witches broom is caused by a mite and powdery mildew. The main symptom is clusters of twigs scattered throughout the tree crown.

If all else fails, he shoots the broom out of the tree. Things don’t always go well. Joe Braeu told the story of a broom 40 feet high in a tamarack tree in the wilds of northern Minnesota.

Hackberry, although native throughout much of the U.S., is not all that common a tree. Pockets exist here and there, often near waterways. Hackberry’s appeal goes beyond its bark ...

The more serious problem with hackberries is witches’-broom, numerous new branches that the tree sends out due to tiny mite insects. These clusters of abnormal growth often disfigure hackberries.

Question: The elm tree in our front yard has a disgusting brown slimy mess running down the trunk. As it dries it is leaving a white streak on the bark. What to do about slime flux and a witches ...

Hackberry, although native throughout much of the United States, is not all that common a tree. Pockets exist here and there, often near waterways. Appeal beyond bark ...