Belongs to: flowers

Himalayan balsam Impatiens glandulifera

Also known as: policeman's helmet, indian balsam

Best time to see: Jul to mid Oct

Key facts

A tall waterside annual with showy pink- or rose-coloured flowers in high summer, growing up to 2m high

An invasive introduced plant that spreads its seed widely by means of explosive pods, forming dense stands

A good nectar plant, especially for bees

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Photo © Tony Gunton

Photo © Owen Keen