Photo of Hydrangea macrophylla flower by Karl Gercens III

Photo by Karl Gercens III

Used with permission, all rights reserved

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Hydrangea macrophylla

Also Known As

  • Bigleaf Hydrangea
  • French Hydrangea

Plant type

shrub

size

  • H: 6'
  • W: 6'

planting zones

  • 6a-9b

More Options

Hydrangea macrophylla plant details

Hydrangea macrophylla is a broadleaf deciduous shrub with blue foliage. Grows well with sun - mostly shade and even moisture - regular water. Does well in average, rich and well-drained soil. A good option if you're seeking something seaside / salt tolerant.

CHARACTERISTICS OF Hydrangea macrophylla

Plant type: shrub
Plant family: hydrangeaceae
Foliage: deciduous blue
Mature size: 6 FT wide, 6 FT tall
Uses: border plant, cottage garden, woodland garden

GROWING CONDITIONS for Hydrangea macrophylla

USDA Zones: 6a - 9b
Sun exposure: sun - mostly shade
Watering frequency: even moisture - regular
Resistant to: seaside / salt
Soil needs: average, rich and well-drained

Nursery contributed plant descriptions

Large flower heads of soft pink or pale blue are borne in midsummer on this vigorous bush. Bloom color is dependent on soil pH: acid is blue, alkaline is pink. Prune immediately after blooming.
These wonderful big-leafed hydrangeas are divided into two groups, the Hortensia Group (mopheads) and the Lacecaps. Both are deciduous, rounded shrubs up to 6' in height and 8' in width and do well in a variety of garden environments including the coast. The 4-8" leaves are semiglossy and lightly to coarsely toothed. Flowers appear in mid to late summer, primarily on old wood so prune right after flowering. Bloom color is often affected by soil pH: adding aluminum sulfate acidifies the soil to produce blue flowers and adding lime will neutralize or create a more basic soil bringing out the pinks. White flowers are not affected. H. macrophylla can take full sun in mild summer areas but profits from some afternoon shade where the summer sun is more intense.

By: Greer Gardens Inc.

Large BLUE mophead flowers.

Gardening facts about Hydrangea macrophylla plant

How to Grow Hydrangea macrophylla

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • average
    • well-drained
    • rich
  • Special Situation

    • seaside / salt tolerant

Features

  • Foliage Color

    • blue
  • Foliage Season

    • deciduous
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