Hydrangea macrophylla ‘Blue Wave’

('Blue Wave' Lacecap, Hydrangea)


Hardiness Zones:

 5a  5b  6a  6b  7a  7b  8a  8b  9a  9b

Quick Overview:

Hydrangea macrophylla ‘Mariesii Perfecta’ is a lacecap cultivar that features rich blue flowers. This cultivar was first introduced into commerce in 1904 by Victor Lemoine. It is synonymous with and has been marketed under the trade name of BLUE WAVE. Blooms in July for up to two months.

Out of stock


Best grown in rich, medium moisture, well-drained soils in part shade. Tolerates full sun only if grown in consistently moist soils. Soil pH affects the flower color (blue in highly acidic soils and lilac to pink in slightly acidic to alkaline soils). Add aluminum sulfate to the soil to make the flowers bluer or add lime to the soil to make the flowers pinker. Begin soil treatments well in advance of flowering, as in late autumn or early spring. Plants generally need little pruning. If needed, prune immediately after flowering by cutting back flowering stems to a pair of healthy buds. Prune out weak or winter-damaged stems in late winter/early spring. Best to mulch plants year-round with 3" of shredded bark, peat or compost. Winter hardy to USDA Zone 6.

Additional information

Common Name

'Blue Wave' Lacecap, Hydrangea

Botanical Name

Hydrangea macrophylla 'Blue Wave'


3 gallon

Evergreen or Deciduous


Hardiness Zone

5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Growth Rate


Light Requirements

Part-shade, Part-sun


to 6 ft.


to 6 ft.

Soil Condition


Water Needs


Blooming Period

mid summer

Flower Color

Blue to Pink



Foliage Color


Deer Resistant


Fall Color


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