There is a sweet spot in early to mid Spring when you can divide your hostas for the optimal aesthetic. You can technically divide them at anytime, they are super hardy, but if you divide them after the leaf has unfurled, they definitely won’t look as nice, and will take a season to recover. You want to divide them just as the eye buds emerge, but before the leaves start to unfurl. Dig out the clump and it’s entirety leaving at least 6 inches on the outside. Using a garden knife or sharp spade c