Side by side

Hydrangea or climbing hydrangea? How to tell them apart

Hydrangea macrophylla · Hydrangea anomala subsp. petiolaris

How to tell them apart – hydrangea: a shrub, without aerial roots; climbing hydrangea: deciduous climber with aerial roots, round, toothed leaves and large, flat, white flower heads in June.

Hydrangea (Hydrangea macrophylla)

Photo: Wikimedia Commons, CC BY-SA 3.0 · source

Hydrangea Hydrangea macrophylla

Climbing hydrangea (Hydrangea anomala subsp. petiolaris)

Photo: Salicyna, CC BY-SA 4.0 · source

Climbing hydrangea Hydrangea anomala subsp. petiolaris

How do you recognise them?

Hydrangea
Shrub with large, glossy, toothed leaves and big rounded or flat flower heads in summer.
Compared with climbing hydrangea: a shrub, without aerial roots.
Climbing hydrangea
Deciduous climber with aerial roots, round, toothed leaves and large, flat, white flower heads in June.
Hydrangea and climbing hydrangea side by side
HydrangeaClimbing hydrangea
LeavesOpposite, oval, 10–20 cm, coarsely toothed and glossy.Opposite, 5–10 cm, round to oval with a heart-shaped base, finely toothed and glossy; yellow autumn colour.
FloweringLarge heads in pink, blue or white, June–September: blue on acid soil, pink on chalky soil (June–September).Flat heads (15–25 cm) with small flowers in the centre and large white outer flowers, June–July; fragrant (June–July).
FruitSmall capsules.Small capsules; the dry flower heads hang on through winter.
BarkThick, light brown stems.Reddish-brown stems with short aerial roots; old stems with peeling bark.
Shape and heightShrub, 1–2 mClimber, climbs to 10–15 m
SitePartial shade, any garden soil, moist to wetPartial shade or shade, any garden soil, moist to wet
Native to BelgiumNo, plantedNo, planted
Good for bees, butterflies and birdsLittleYes, for bees and birds
Poisonous to people and petsNot known to be poisonousNot known to be poisonous
Pruning monthsMarch–AprilJuly–August

What does it mean for your garden?

  • Choose what suits your soil, your light and the space you have: see the growing conditions in the table.

Read on

Also looks like

All species that look alike

This comparison is compiled from the Bladwijzer species pages.

Laden…