Itea is an often over-looked native plant with truly outstanding fall foliage color.
Nov 05, Other hardy shrubs for zone 6 include Sevenbark hydrangea (Hydrangea arborescens), which offers big, snowball blossoms, and the rose of sharon (Hibiscus syriacus).
This deciduous shrub blooms late but offers gorgeous trumpet flowers well into autumn. Mix in a partially shaded border with hostas, ferns, viburnum and foam flower. Look for dwarf variety ‘Mount Airy,’ a winner for its fall color. Fothergilla is a three season shrub with bright white flowers in spring and glossy green foliage in summer.
Fothergilla thrives in zones 4 to 9.