Trees

Hydrangea paniculata 'Kyushu' (standard form)

Kyushu hydrangea standard

Kyushu hydrangea flowers; the catalog plant is trained as a standard tree. Photo: wallygrom / Flickr, CC BY-SA 2.0

Kyushu produces airy, tapering clusters of creamy-white flowers above unusually glossy green leaves. In this standard form, a clear trunk supports a rounded crown with upright branches, giving the plant the presence of a small flowering tree. Its summer-to-early-autumn display works well as a focal point in moisture-retentive garden soil.

At a glance

Sun: Part shade, or sun with reliably moist soil
Size: Height: About 2 m for the cited standard form · Width: About 1.5 m
Water: Moist, well-drained soil
Hardiness: RHS H5 (UK rating; not a USDA zone)
Bloom: Creamy white, July–September

Sizes & prices

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Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Landscape use & tree form

Use: Ornamental flowering specimen
Form: Trained standard; dimensions depend on trunk height
Major issues: Brittle branches can break under heavy flowers, snow or wind; leaf spots and mildew may occur.
Fruit / litter: Dry capsules and fading flower heads persist; generally minor fruit litter.
Growth rate: Vigorous seasonal shoots; extension varies strongly with pruning and moisture. Standard trunk height is set by training.

Resistance & tolerances

Deer: Deer may browse leaves and flower buds; protect young plants.
Drought: Moderate species-level tolerance after establishment, but flowering is best with consistent moisture.
Wet soil: Poor drainage and prolonged saturation can damage roots.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Pollinators & wildlife

Attracts: Bees

Keep in mind: Overall height depends on the standard's trunk height and training. Canadian supplier zone 4 was not converted into a USDA rating.

Seasonal interest

Foliage: Glossy green; deciduous

Growing & care

Pruning: Blooms on new wood: shorten crown shoots in late winter or early spring. In standards, retain the trunk and remove shoots below the raised crown.
Soil: Rich, moisture-retentive but well-drained soil; mulch shallow roots.

Sources & photo credits

Pépinière Savio

truhlikov.cz

Royal Horticultural Society

NC State Extension

University of Florida IFAS

web.extension.illinois.edu

greenhousehort.mgcafe.uky.edu

Ebben Nurseries

Photo: wallygrom / Flickr, CC BY-SA 2.0; resized for web without enlargement. · CC BY-SA 2.0

Image notes: Kyushu hydrangea flowers; the catalog plant is trained as a standard tree. Photo: wallygrom / Flickr, CC BY-SA 2.0; resized for web without enlargement.

Reviewed September 22, 2026. Growing conditions vary by location.