|Fast growing, upright, bushy annual. Leaves are dark green, hairy, toothed, round to ovate, to 2-1/2". 'Snow Nymph' has dense, white, 4" flower spikes from spring to fall. Grows to 16" tall. Attracts hummingbirds. Tolerant of heat and drought. Ideal for mass plantings, and borders where rounded, vertical form is needed.