It is 'no mow May', a national campaign to not cut the grass, to let some wildflowers grow, and help pollinating insects. If you want wildflowers that will last for months, not just May, then here is some tips for creating a mini wildflower meadow in your garden.
https://www.gardenandgreen.co.uk/garden-wildflower-meadow
Create a mini wildflower meadow
It is 'no mow May', a national campaign to not cut the grass, to let some wildflowers grow, and help pollinating insects. If you want wildflowers that will last for months, not just May, then here is some tips for creating a mini wildflower meadow in your garden.
https://www.gardenandgreen.co.uk/garden-wildflower-meadow