However, "the long run" are the operative words. In order to sprout, ash trees go through repeated periods of hot and cold weather. Because of this, it's common for ash seeds to sprout after their ...

Signs that an ash tree has emerald ash borer include bark ... and epicormic shoots, which are sprouts that grow from the roots and trunk of the tree with leaves that are larger than normal.

Indicators of an infestation may include canopy thinning, leafy sprouts shooting from the trunk ... The invasive, ash tree-killing insect from Asia has now been found in 36 states.