Garden biodiversity and the importance of pollinator-friendly plants

Gardeners can significantly impact local ecosystems by choosing plant varieties that support pollinators. Many popular ornamental flowers, such as certain roses, marigolds, and petunias, are double-petalled varieties. These cultivars often have extra petals that replace stamens, making nectar and pollen difficult or impossible for bees to access.

Hybrid breeding for aesthetic traits like color and shape can also strip flowers of their ecological value, leaving them nutrient-poor for foragers. Opting for open-centred varieties can provide better food resources for bees.

In addition to bees, butterflies serve as vital indicators of environmental health. Butterfly Conservation has noted a decline in butterfly populations, describing the situation as a ‘butterfly emergency’ in the UK. Small suburban gardens can provide essential nectar-rich habitats. Citizen science initiatives, such as the Big Butterfly Count, encourage the public to record sightings to help researchers monitor species and environmental pressures.