Hydrangea macrophylla · Hydrangeaceae

Bigleaf Hydrangea

⚠️ Not safe for petsIt is a deciduous plant, losing its leaves in winter.60 to 150 cm

LightPartial shade

WaterAbundant watering, especially in summer.

DifficultyMedium

ColdWithstands temperatures down to a few degrees below zero.

Partial shadeAbundant watering, especially in summer.MediumWithstands temperatures down to a few degrees below zero.

Description & origin

The bigleaf hydrangea is a popular ornamental shrub in Portuguese gardens. Its large, colorful flowers range from pink to blue and white. It requires specific care to maintain its beauty.

Size

Can reach up to 150 cm in height and 120 cm in width in domestic cultivation.

Foliage

Leaves are large and serrated, falling in winter.

Flowering

Blooms in summer with large ball-shaped inflorescences.

Detailed care

Light

Prefers partial shade, avoiding direct sunlight during the hottest hours.

Soil

Needs rich, well-drained soil.

Watering

Requires abundant watering, especially during the warmer months.

Temperature

Tolerates low temperatures but should be protected from severe frosts.

Fertilising

Fertilize in spring with a balanced fertilizer to promote flowering.

Repotting

Transplant in spring or autumn when the plant is dormant.

Pruning

Prune in late winter to remove dead branches and stimulate growth.

Propagation

Easily propagated by cuttings during spring or summer.

Common problems

Chlorosis

Yellow leaves due to iron deficiency in the soil.

Powdery mildew

Fungus causing white spots on leaves.

Root rot

Caused by excess water and poor drainage.

Uses & curiosities

In the garden

Hedges
Flower beds
Shade gardens

Other uses

Widely used in floral arrangements due to its beauty.

Did you know…

The color of hydrangea flowers can change depending on the soil pH. Acidic soils tend to produce blue flowers, while alkaline soils result in pink flowers.