‘Unique’ bears 8-inch-long white flower heads that fade to pinkish white. It is similar to, but more vigorous than, Hydrangea paniculata ‘Grandiflora’. The cultivar name refers to the shape of the flower heads; they are broad at the base and rounded at the tip.
Noteworthy CharacteristicsThis is one of the most cold-hardy species. It may be grown as a single-stemmed specimen or as a multistemmed shrub.
CareGrow in moist but well-drained soil, in full sun to partial shade. Blooms on current season's wood; may cut back to a few buds from a framework in spring to produce larger flowers. Alternately, allow it to grow with minimal pruning.
PropagationSow seed in a cold frame in spring; take softwood cuttings in early summer and hardwood cuttings in winter.
ProblemsGray mold, slugs, powdery mildew, rust, ringspot virus, leaf spots
Fine Gardening Recommended Products
RAINPOINT Sprinkler Timer with Brass Swivel
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
Morvat Heavy Duty Brass Y-Valve
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
Dramm Revolution Adjustable 9-Pattern Metal Hose Nozzle
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
- Genus : Hydrangea
- Zones : 3, 4, 5, 6, 7, 8
- Plant Height : 6 to 10 feet
- Plant Width : 6 to 10 feet
- Bloom Time : Fall, Late Summer, Summer
- Growth Rate : Fast
- Tolerance : Frost Tolerant
- Light : Full Sun to Partial Shade
- Maintenance : Low
- Moisture : Medium Moisture
- Flower Color : Pink, White
- Characteristics : Showy Seed Heads
- Plant Type : Shrubs
- Plant Seasonal Interest : Summer Interest
Plant Characteristics are only available to Fine Gardening members
Sign up for a free trial and get instant access to our complete plant guide as well as our entire collection of articles and videos.
