Height: 2′-4′ Spread: 2′-3′. Popular cultivar of Blue Mist Spirea with darker gray-green foliage and deeper blue flowers. Cut back to 6-9 ” in spring as it blooms on new wood only. Loved by the bees so site accordingly. Drought tolerant. Full sun. Zone 5.
Caryopteris x clandonensis ‘Dark Knight’ | Dark Knight Spirea – #1