4 single plants , when planted together , will create one plant , will be cut down , as they should be each fall , and will regrow again quickly in the spring .This is a new strain of***PInk Pampas grass is good in zones 4-9 Grows 7-10 Ft When mature Begins to grow in early spring the blades of grass will grow to ***7- FT*** followed buy huge purple plumes That start in mid summer and last until fall