It’s been a trend in recent years to replace the mown grass of urban traffic verges and roundabouts with wild flowers. The flowers require less maintenance, they’re easy on the eyes, and they are thought to provide habitat support for pollinators such as bees, bumblebees, butterflies and hover flies, all of which are under pressure for a variety of reasons, including pesticides, habitat loss and disease.
A University of Sussex study published in Insect Conservation and Diversity has quantified just what kind of impact this kind of wild flower intervention can have in a short time.
An initiative in Central Scotland oversaw the conversion of city areas usually covered in mown grass – roundabouts, road verges, parks, school grounds, the edges of sports fields. The study examined 30 of these sites over a period of two years after the flowers had been sown.
In just two years, they found 50 times more bumblebees and 13 times more hoverflies in areas that had previously been flower wastelands.
The seed mix used incorporated a variety of meadow flowers from the region. The project and its results show just how simple it can be to provide pollinator-friendly areas within cities.
This has been a trend in my corner of the world, as well. And looking at the lush, lively fields of flowers that fill most of the roundabouts in our area, I’m not really sure why we ever thought putting in mown grass was a better solution in the first place.