*5-6' x 18-24" wide* 'Red Bull' is an outstanding selection of the native big Bluestem grass chosen for its intense red fall color. Once established, grow it on the dry side and use only slow acting organic fertilizers (like Yum Yum Mix). Too much water and nitrogen makes it floppy. An Intrinsic Perennial Gardens of Illinois introduction. *Limit 3 per customer.* Zones 4-8 5" Premium Pot Low Fertility, Well Drained Soil Plant with Rhus Gro-Low. 5" deep premium pot size.