how long does it take to decompose a large stump
Stumps decompose in 3 to 7 yearsâ¦. Stumps usually take anywhere from 3 to 7 years to decompose, depending on the type of the tree and the local environment.Pine trees and softer woods take less time to decay whereas a Hicory tree may take twice as long.n conclusion, unless you have the stumps grinding they will be with you for a long time. If you do everything possible to speed up the process, you are still looking at a two year time frame. If you are removing trees to improve the look and feel of your yard then leaving the stumps may ruin your vision.