6-7’ x 18-24” wide. A mature plant of ‘Mega Blue’ in its full early fall glory will stop you in your tracks! A strong, vertically growing cultivar with distinctive gray-blue foliage and tall, bronzy flowering spikes, this is a superb specimen for use in xeriscapes and perennial flower/ornamental grass borders. Selected by plantsman Bill Adams, owner of Sunscapes in Pueblo, CO ‘Mega Blue’ is a unique form of North America’s most famous tall grass prairie native. Zones 4-8.