Great Garden Grasses and How To Use Them
Monrovia
Bluestem Gardening
How to Divide Ornamental Grasses: Why Divide Ornamental Grasses? To make more plants and to renew an overly mature clump where some portions have died. to stimulate new growth after some winter damage (perhaps relocate) When? divide when actively growing cool season grasses - spring, not summer; again in early fall warm season grasses - spring until mid-summer (do not divide any time during the flowering stage)