Hydrangea macrophylla ‘Glory Blue’

(Glory Blue Hydrangea)


Hardiness Zones:

 6a  6b  7a  7b  8a  8b  9a  9b

Quick Overview:

The large-flowered Glory Blue Hydrangea is a vigorous grower producing loads of large round clusters of deep blue to pink flowers summer, depending on soil pH: blue flowers in acid soil and pink in alkaline. The prolific blooms appear on rounded, bushy plants that grow to about 4 feet tall and wide. This is a great cultivar for garden beds or container culture.

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Best grown in rich, medium moisture, well-drained soils in part shade. 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

Glory Blue Hydrangea

Botanical Name

Hydrangea macrophylla 'Glory Blue'


3 gallon

Evergreen or Deciduous


Hardiness Zone

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

Growth Rate


Light Requirements

Part-shade, Part-sun


4 to 5 ft.


4 to 5 ft.

Soil Condition


Water Needs

Average, Consistent moisture

Blooming Period


Flower Color

Blue to Pink



Foliage Color


Deer Resistant


Fall Color

Yellow to brown

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