When are u trying to divide your hosta? Best time is early spring when it just starts to sprout or later in the fall when it's cool.i, too, find them easy to divide. I put the shove where I want to divide, step on it and it goes down thru the hosta roots, they take it to a hoke I've prepped and plant. I have divided some late springor early summer but it seems one the leaves are up, the leaves that are affected by the move never really recover, so it's also prettier to do it early or late