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

UK Smooth Hydrangea

Shrub Icon Cultivated Flower     Mildly Toxic
Image of Smooth Hydrangea
Hydrangea arborescens
Family: Hydrangeaceae

Flower Properties

Property Value
English Name Smooth Hydrangea
Scientific Name Hydrangea arborescens
MainColor White
PlantType Shrub Icon Shrub
Distribution Cultivated Flower Cultivated
Season Found June (Jun - Sep)
ImageUrl Hydrangea-010
Photographer DP
Location Found Abbots Langley
Country Found UK
Last Updated 12 September 2026
Photo Quality A

Flower Details

Description

Smooth Hydrangea is a deciduous shrub with large, rounded clusters of white or cream flowers. It typically grows to about 1 to 3 metres in height and is known for its lush green foliage. The flowers bloom in summer and are often used ornamentally.

Distribution

This species is native to the eastern United States, commonly found in woodlands and along stream banks. It thrives in moist, well-drained soils and can adapt to a variety of light conditions.

Medicinal/Other Uses

— No significant medicinal uses.

Edibility

Inedible - plant parts are not suitable for human consumption.

Human Toxicity Mildly Toxic
Mildly Toxic Mildly_Toxic

Mildly Toxic - ingestion of plant parts can cause nausea, vomiting, and diarrhoea due to cyanogenic compounds.

Pet Toxicity Pet Toxicity

Mildly Toxic to dogs and cats - ingestion may result in vomiting, lethargy, and diarrhoea.

Active Compounds

Hydrangin, saponins, cyanogenic glycosides.

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