The ‘Twilight Zone’ has green foliage that becomes silvery-mauve in midsummer and retains these colors through fall, when bright purple highlights appear on the flower stems.
Bloom Time: Mid Fall.
Growth Habit: 4’ in height.
Foliage: Silvery-Mauve midsummer through fall.
Sun/Shade: Sun.
Hardiness Zones: 3-9.