The ‘Sixteen Candles’ Clethra is a dense shrub with dark green foliage. Clethra is also known as Summersweet due to the very fragrant white flowers that appear in mid-summer. The ‘Sixteen Candles’ is a seedling of the ‘Hummingbird’, but it has larger blooms that stand upright.
Bloom Time: Mid-Summer.
Growth Habit: 28″ in height, 30″ in width.
Foliage: Dark green.
Sun/Shade: Sun, Partial Shade.
Hardiness Zones: 4-9.