A vivid blue mophead hydrangea, potted in ericaceous compost and treated with aluminium sulphate to achieve the intense colour.

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Size: 5472px × 3648px
Location: Sidmouth, United Kingdom
Photo credit: © ArchivalSurvival / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acid, aluminium, blue, changing, color, colorant, colour, colourant, compost, dark, ericaceous, hydrangea, mophead, potted, soil, sulfate, sulphate, treated, turning, vivid