Panicle Hydrangea 'Bombshell' (Hydrangea paniculata 'Bombshell')

Hydrangée paniculée ‘Bombshell’ (Hydrangea paniculata)
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Panicle Hydrangea 'Bombshell' (<em>Hydrangea paniculata</em> 'Bombshell')

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Common namePanicle Hydrangea
FamilyHydrangeaceae
GenusHydrangea
Speciespaniculate
CultivarBombshell
Plant typeOrnamental shrub
Botanical namePanicled Hydrangea

‘Bombshell’ Panicle Hydrangea (Hydrangea paniculata ‘Bombshell’). Hydrangea paniculata ‘Bombshell’ is a compact and exceptionally floriferous shrub hydrangea, prized for its spectacular blooms despite its small size. This variety is distinguished by its abundant conical panicles, which literally cover the plant from early summer. The flowers open pure white then take on delicate pale pink hues at the end of the season, extending its ornamental appeal. Its general habit is dense, rounded, and well-structured, making it an excellent choice for small gardens, low borders, front-facing beds, and container cultivation.

To plant ‘Bombshell’ panicle hydrangea, choose a suitable exposure: full sun to partial shade. The recommended soil is ordinary to rich, well-drained. Maintain regular moisture around the roots, as soil that dries out abruptly can cause the foliage to wilt. Avoid repeated pruning to artificially maintain a small silhouette; instead, choose a space suitable for the variety’s development. Water the root ball before planting and ensure that water can drain after planting. During establishment, check the moisture by hand before watering again.

Allow a width of 1–1.2 m (3.5–4 ft) to accommodate this plant in the garden. The indicated height of 0.9–1 m (3–3.5 ft) helps in choosing its position relative to neighboring plants. Keep access to the base for weeding, checking moisture, and removing damaged parts. Associate this variety with plants whose light and water needs are compatible. If you are considering a container, first check that its volume and drainage are suitable for root development. Roots in pots are more exposed to cold than those planted in the ground.

In the garden

Exposure
Full sun to partial shade
Hardiness
Zone 3

Planting guide

Planting & establishment

Minimum temperature

'-34°C

Soil and care

Soil & care

Minimum temperature

'-34°C

Watering

Moderate, drought tolerant once established

Soil type

Ordinary to rich, well-drained, slightly acidic to neutral soil

Fertilization

Balanced fertilizer (10-10-10), in early spring. One application is sufficient.

Size, flowering & harvest

Mature height

80 to 100 cm (31 to 39 inches)

Width / spread

1.2 m (4 feet)

Flower color

White

Foliage color

Green

Foliage type

Obsolete

Growth rate

Fast — sustained development, ideal for quickly creating volume in a clump or low hedge, strong structure from the 2nd year.

Growth habit

Compact, dense and rounded shrub

Bloom period

July to October

Fruiting

Dry, ornamentally uninteresting capsules

Wildlife and pets

Wildlife & precautions

Supporting wildlife

Yes

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