There are times when you need new compost as soon as possible. This may be in the spring or fall when you are replanting plants or laying out new gardens. In my case it’s redoing several gardens after flooding. photo credit: vinzcha I need to redo my perennial garden, which was totally washed out and I am planning a new garden in the front yard to help redirect water, just in case I have this problem again. Compost usually takes anywhere from a few months to a year, depending o