‘Haas Halo’ Hydrangea – Hydrangea arborescens - This hydrangea features very large, lace-cap blooms from June through July. The white flowers attract bees and butterflies. The foliage is a deep blue-green, and the stout stems will not droop after a hard rain. Dried flower heads provide winter interest. Plant it in mass in a woodland, pollinator, or winter garden. Use in a shrub border or as an accent or specimen or planted. This versatile shrub will tolerate sun or shade sites and various soil types.