Hydrangea macrophylla ‘Big Daddy’

(Big Daddy Hydrangea)


Hardiness Zones:

 6a  6b  7a  7b  8a  8b  9a  9b

Quick Overview:

‘Big Daddy’ is a reblooming mophead cultivar that will flower on both old and new growth. If flower buds are destroyed by severe winter conditions, the plant can still produce some sporadic flowering in summer on new growth. Old growth bloom occurs in June-July with a continuing rebloom on new growth occurring during the rest of the summer into fall. This shrub typically grows to 5-6′ tall and as wide.   Florets are pink in alkaline soils and blue in acidic soils.

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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

Big Daddy Hydrangea

Botanical Name

Hydrangea macrophylla 'Big Daddy'


3 gallon

Evergreen or Deciduous


Hardiness Zone

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

Growth Rate


Light Requirements

Part-shade, Part-sun


5 to 6'


5 to 6 ft.

Soil Condition


Water Needs

Average, Consistent moisture

Blooming Period


Flower Color

Blue to Pink



Foliage Color


Deer Resistant


Fall Color


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