Ah-ha: you've found it! The perfect hydrangea for beauty, blooms, and blues, Tuff Stuff Ah-Ha mountain hydrangea. Each lacecap flower is surrounded by a ring of lovely waterlily-like florets that are the most beautiful blue or pink colors. Tuff Stuff Ah-Ha hydrangea is also an outstanding rebloomer, so you'll get more flowers over a longer period and much more to enjoy than conventional hydrangeas. What makes Tuff Stuff Ah-Ha different from other mountain hydrangeas? Sterile florets are doubled or even tripled, giving each the look of a waterlily Details:Name: Hydrangea serrata 'SMNHSDD' pp#29,832, cbrafHardiness: USDA zones 5-9Height x width: 2-3'Light: Full to part sunSoil: Evenly moist but well-drained soils are best. A 2-3" layer of shredded bark mulch is recommended in all areas, all year round.Pruning: Blooms on old and new wood; do not trim or cut back, but dead wood may be removed in early spring.Water: Average to high water needs. Though mountain hydrangeas suffer if grown in wet soils, they can also become drought stressed readily and should be watered regularly. Plants in full sun and/or warmer climates will need more water than those in less sun and/or cooler areas. Fertilizer: Fertilize once in early spring with a rose fertilizer if desired.Bloom time: Midsummer through fall.Bloom color: Flower color depends on soil pH; Tuff Stuff Ah-Ha blooms are pure blue in acidic soils that contain aluminum and pink in other conditions.Uses: A classic choice for including in gardens and landscaping, it also makes a nice choice for low hedges and containers.