Sorghastrum nutans.
Perennial.
Spring, soil temp 50F+.
SOW 3 or 4 seeds,1/16"deep per plant. About 24" apart. Keep moist.
Germination 7-21 Days.
Thin to 1(best) seedling. Use scissors to cut out unwanted sprouts.
Height 36-60" x 24" Wide.
Light water after seedlings are established. Doesn't like fertilizer, plant will droop.
Foliage color is silver / blue during summer and turns yellow / bronze in fall. Flowers are golden brown.