Sustainable Warminster Column: Could more heatwaves equal fewer bumblebees?

A recent BBC article (2026) warns that UK bumblebee numbers could fall because rising temperatures and more frequent heatwaves are becoming too extreme for them to cope with.

One of the best ways to support bumblebees is by creating more flower‑rich spaces, giving them reliable food even during unpredictable weather. Wildflower areas are vital lifelines for bees, butterflies and other insects whose numbers have dropped in recent decades. Encouragingly, Climate Emergency UK (2025) reports that 90% of local authorities now mow grass less often or have created wildflower areas, up from 80% in 2023.

Volunteers from Sustainable Warminster have spent years creating and maintaining wildflower corridors across parks, verges and community spaces. Even small patches of flowers can make a big difference, providing pollinators with steady nectar throughout spring and summer to help them stay healthy. These areas boost biodiversity while adding colour and beauty to the town.

Some people see wildflower meadows as “messy,” especially in colder months when they look like long grass. This perception can make it harder to introduce more wildlife‑friendly spaces in towns. But “messy” nature is often the most valuable: when plants grow freely, drop seeds and regrow, they form strong habitats that support insects, birds and small animals.

As the UK faces hotter temperatures and more extreme weather, helping wildlife has become increasingly urgent – and local action in places like Warminster shows how communities can help pollinators. Visit https://sustainablewarminster.co.uk/supporting-our-pollinators/ to find out what you can do to support bumblebees.

Written by Rebecca Krzyzosiak, Co-Chair, Sustainable Warminster

Pictured: Wildflowers in the Lake Pleasure Grounds