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Hydrangea macrophylla ‘Adria’

Hydrangea 'Adria'

Good for cut flowers badge Hardiness H5

Rounded mophead flowers in clear blue or mauve shades cover Hydrangea macrophylla ‘Adria’ through summer. This compact deciduous shrub suits partially shaded borders and large containers, with acidic soil and available aluminium needed to maintain the strongest blue colouring.

SKU: HYDR-31-Y

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Plant Details

Size

Max Height
0.5 m — 1.0 m
Max Spread
0.5 m — 1.0 m
Growth Habit
Densely branched plant with compact, leafy, rounded overall shape.

Planting Position

Sunlight Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.
Part Shade
Aspect Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.
East North West
Exposure Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.
Exposed / Sheltered
Hardiness Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.
Hardiness H5 (−15 to −10 °C) Cold-hardy

Ideal Soil Conditions

Soil Type Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.
Clay Loam
Soil Moisture Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.
Moist but permeable
Soil pH Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.
Acid Neutral

Plant Uses & Merits

Uses
  • Patios / Courtyards
  • Containers
  • Coastal Areas
  • Flower Borders
  • Against Wall
  • Cut Flowers
Merits
  • Good for Cut Flowers

Hydrangea macrophylla ‘Adria’ Description

Hydrangea macrophylla ‘Adria’ forms a compact, rounded shrub with broad dark green leaves and dense mophead flower clusters. Blooms are usually clear blue in acidic soil but may shift towards mauve or pink where conditions are less acidic. Mature plants generally reach around 1 to 1.2 metres high and wide. Grow in partial shade or gentle morning sun in fertile, humus-rich soil that remains consistently moist but drains freely. It is hardy in sheltered Irish gardens, although late frost can damage the previous season’s flower buds. Blue colour is best maintained with ericaceous conditions and rainwater where tap water is alkaline. Prune lightly in spring, removing dead wood and old flower heads without cutting healthy stems back hard.