Bigleaf Hydrangea 'Hanabi': Fireworks in the Garden

Named for the Japanese word for "fireworks" (hanabi), 'Hanabi' (also known as 'Sumida Hanabi') is a Bigleaf Hydrangea (Hydrangea macrophylla) lacecap cultivar that explodes with summer color. This variety brings festive energy to the shade garden.

Festive Gallery

Botanical Profile

'Hanabi' is a lacecap hydrangea with a distinctive floral display—the sterile florets are often double or semi-double, creating a burst of petals reminiscent of fireworks. The color ranges from pink to blue based on soil pH. The plant grows 3-5 feet with a rounded habit. This Japanese selection is celebrated for its unique flower form.

Culture: part shade, moist well-drained soil rich in organic matter. Morning sun best. Mulch heavily. Prune after flowering. Soil pH determines color. Hardy zones 6-9. 'Hanabi' lights up the summer garden with botanical fireworks.