Grass?

In zones where the ground freezes, spring and early fall offer ideal planting windows. Avoid planting within four weeks of the first fall frost. Feed established grasses in spring and late summer. Scratch a granular slow-release fertilizer into soil around plants.

Warm season grasses generally start growing in late spring or early summer and have their active growth period during the heat of the summer. Warm season grasses will tend to bloom in mid to late summer. Fourth Ornamental Grass Rule of Thumb: Divide cool season grasses in spring or early fall.

Think twice especially if you have kids or pets. The stems get to a point where they are as sharp as a knife and cut pretty bad. We had some and paid to get it dig up and hauled away.