Trees and shrubs

Panicled Hydrangea 'Moonrock'

Panicle Hydrangea

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Exposure
Sun to partial shade
Hardiness
Zone 3

Discover the plant

Common namePanicle hydrangea
FamilyHydrangeaceae
GenusHydrangea
Speciespaniculata
CultivarMoonrock
TypeOrnamental shrub
Botanical namePanicle Hydrangea

Panicle Hydrangea ‘Moonrock’ (Hydrangea paniculata ‘Moonrock’). Hydrangea paniculata ‘Moonrock’ is a compact, very bright shrubby hydrangea, prized for the exceptional density of its flowers and its solid, well-balanced habit. This variety stands out for its very thick conical panicles, made up of a large proportion of sterile flowers, giving them a massive and almost sculptural appearance. The inflorescences open pure creamy white and retain their light color for a long time before sometimes taking on a slight pinkish hue at the end of the season. Its overall habit is compact, dense, and slightly taller than wide, making it an excellent choice for structured beds, low flowering hedges, and medium-sized specimen plantings.

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

Allow a width of 1.2–1.5 m (4–5 ft) to arrange this plant’s space in the garden. The indicated height of 1.5–1.8 m (5–6 ft) helps choose its position relative to neighboring plants. Maintain access to the base for weeding, checking moisture, and removing damaged parts. Combine 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.

Hortensia paniculé ‘Moonrock’ (Hydrangea paniculata)

Soil and care

The right care,at the right time.

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.

Bloom and dimensions

Its place,in your garden.

Mature height

1.5 to 2 m (5 to 7 feet)

Width / spread

1.5 m (5 feet)

Flower color

Creamy white, sometimes slightly pinkish at the end

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, well-structured shrub

Bloom period

July to October

Fruiting

Dry capsules of no ornamental interest

Wildlife and pets

Life,around your plants.

Supporting wildlife

Yes