I would like to add a word of caution using coffee grounds as a soil amendment. Coffee grounds are used to make a soil more acidic. { Worms will die in too many coffee grounds. } If your soil is already acidic, too many coffee grounds can make matters worse. First indication would be Blossom End Rot There a lot of quick fixes to make an alkaline soil more acidic, Making a soil more alkaline is a slow process. Byron