Description
Ageratum houstonianum. Blue Hawaii is a mounded upright growing plant that consists of large, pointed leaves and clusters of fuzzy blooms. These blooms are in clusters on stems that reach above the backdrop of vibrant green foliage. These beautiful flower bloom from early summer to fall. These luscious plants are highly attractive to bees, butterflies, and other pollinators, drawing them to any garden. It thrives in moist nutrient rich well-draining soil, requires full sun, and has average watering needs. At maturity this plant can grow to measure 6 to 10 inches tall and 6 to 8 inches wide. The Blue Hawaii has hardiness zones from 3 to 8.