Hydrangea plant named 'HORE0031'

Abstract

A new and distinct cultivar of Hydrangea plant named ‘HORE0031’, characterized by its compact, upright and mounded plant habit; moderately vigorous to vigorous growth habit and moderate growth rate; freely branching habit with strong and sturdy stems; freely and uniformly flowering habit; mophead-type inflorescences with numerous light red purple-colored sterile flowers that become darker red purple with development; and good postproduction longevity.

Dependencies are inferred from the claim text.