About
Hydrangea serratifolia, the serrate-leaved hydrangea, is a slow-growing, evergreen climber eventually reaching 12 m or more, with stout, leathery, elliptic leaves to 15 cm long and crowded panicles of small, creamy-white flowers to 15 cm long in late summer. An ornamental, self-clinging evergreen climber for a sheltered wall.
About the genus
Hydrangea are deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and larger, showier sterile florets. They are grown for their dramatic and long-lasting flowerheads and often good autumn colour.
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moisturePoorly-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeAquatic, Herbaceous Perennial
HabitMatforming, Submerged, Floating
FoliageDeciduous
HeightUp to 10 cm
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesPonds, water features, bog gardens.
Care notes
CultivationGrow in full sun or partial shade in moisture-retentive soils in bog gardens or at pond margins or grow shallowly submerged in water up to 5cm deep. See pond plants and bog gardens for further advice
PruningCut back regularly to control spread
PropagationPropagate by division
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to mint rust