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Easily grown in average, medium, well-drained soil in full sun to part shade. Tolerant of a wide range of soils from well-drained sandy soils to the heavy clays. Prefers moist soils, but will also tolerate wet soils including shallow water. Best in full sun. Less vigorous with decreased flowering and tendency to flop in too much shade. Tolerant of summer heat and humidity. Clumps slowly expand in circumference by short rhizomes, but retain tight clump shape. Foliage should be left standing throughout the winter for visual interest and to provide protection for the crowns. Cut foliage to the ground in late winter just before new shoots appear.
‘Strictus’, commonly known as porcupine grass, is noted for its horizontally banded foliage and upright, columnar habit in which the erect leaf blades purportedly resemble porcupine quills. It typically grows in an upright clump to 5-6′ tall with the flower plumes raising total overall height to 8-9′ tall. Features medium green leaves variegated with yellow horizontal bands. Foliage fades to tan after frost. Tiny reddish-bronze flowers appear in tassel-like inflorescences which rise well above the foliage in late summer, gradually turning into silvery plumes in fall. Flower plumes persist well into winter providing good winter interest. Zones 5 to 9.