Plant health care

Is my leaning twin-trunk tree still structurally sound?

If the angle of the lean of the tree appears to be changing, the tree could be in the process of failing structurally....

Is my white pine leaking again due to a bug infestation?

This could be woodpecker damage, which is usually not an issue, or it could be borer damage that could be very...

Is peeling bark on my elm or ash a sign the tree is dying?

If indeed it is an Elm or an Ash, then we're in trouble: the Elms and Ashes are leafing out in some areas. We would...

Is there a practical solution to squirrels stripping bark from pine trees?

On pines, the squirrels rarely make it past the bark to the vascular system and therefore they are mostly just a...

Is there a way to stop fruit from growing on my tree?

In short, the answer is no. Florel was thought to be the cure for fruit, but it has failed. The best means is to...

Ivy on trees technical report

Japanese black pine: Plant health care report

Japanese cherry: Plant health care report

Japanese holly: Plant health care report

Japanese knotweed