UK Flowers: Herbs, Shrubs, Vines & Trees
UK Flowers

UK Hydrangea5

Shrub Icon Cultivated Flower     First Aid Symbol  Toxic
Image of Hydrangea
Hydrangea macrophylla
Family: Hydrangeaceae

Flower Properties

Property Value
English Name Hydrangea
Scientific Name Hydrangea macrophylla
MainColor Pink
PlantType Shrub Icon Shrub
Distribution Cultivated Flower Cultivated
Season Found July (Jul - Sep)
ImageUrl Hydrangea-001
Photographer DP
Location Found Hambleton Hall
Country Found UK
Last Updated 02 September 2026
Photo Quality B

Flower Details

Description

A showy, deciduous shrub grown for its large, colourful flower heads (pink, blue, or white, depending on soil pH). Popular in gardens, parks, and shaded borders.

Distribution

Native to East Asia; widely cultivated in the UK.

Medicinal/Other Uses First Aid Symbol

Traditionally used in Chinese herbal medicine for urinary and kidney ailments.

Edibility

Not edible.

Human Toxicity Toxic
Toxic Highly_Toxic

Leaves, flowers, and buds contain cyanogenic glycosides, which release cyanide when metabolised. Toxic if ingested by humans and animals.

Pet Toxicity Pet Toxicity

oxic – ingestion may cause vomiting, diarrhoea, lethargy, and more serious poisoning in cats, dogs, and horses.

Active Compounds

Hydrangin (a cyanogenic glycoside).

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