Wood ash is actually full of potassium and, like lime, raises the pH of your soil. If you head to your nearest gardening center, you’ll even spot ashes being sold in bags. It is important, however, that you never use wood ash on junipers and evergreen trees, as they prefer soil that is more acidic.

Can Ash kill trees?

They kill a tree when the larvae of the beetle bore under the bark, creating tunnels as they eat and slicing through the channels that transport water from the tree’s roots to the leaves. Once infested, unable to take up water, the tree dries out and dies. … First, identify if any of your trees are ashes.

Is Ash a good fertilizer?

Ash is also a good source of potassium, phosphorus, and magnesium. In terms of commercial fertilizer, average wood ash would be about 0-1-3 (N-P-K). In addition to these macro-nutrients, wood ash is a good source of many micronutrients needed in trace amounts for adequate plant growth.