Hydrangea ‘Tuff Stuff Ah‑Ha’

Common Name: Tuff Stuff Ah‑Ha Hydrangea

Scientific Name: Hydrangea serrata ‘Tuff Stuff Ah‑Ha’

Zone: 5 to 9

Blossom Colour: Double lace‑cap florets—rich pink in neutral/alkaline soil or clear sky‑blue in acidic soil

Flowering Type: Early summer through fall; strong rebloomer on both old and new wood

Summer Colour: Medium green, serrated foliage

Fall Colour: Red‑burgundy tones develop with cooler nights

Mature Height (ft): 2 to 3

Mature Spread (ft): 2 to 3

Exposure: Full Sun to Part Shade (morning sun with afternoon shade ideal in hot summers)

Tree Type: Deciduous Shrub

Watering: Regular; prefers consistently moist, well‑drained, moderately acidic soil—mulch helps conserve moisture

Fertilization: Apply a balanced, slow‑release fertilizer formulated for hydrangeas in early spring; supplement with aluminum sulfate for bluer blooms in acidic soils