Seeds from this white Hibiscus moscheutos Blue River II; This shrub 5′-8′ shrub produces many of these 10″ – 12″ pure white;blossoms that cover this deciduous shrub. This plant is hardy from zones 8B to11. Very easy to grow and is very heat tolerant but does not like its roots to dry out completely. When you keep the spent blossoms picked off, it will give you another flush of blossoms in the fall as well as spring. Zones 8-11.