Start hardening off bedding plants but put them under cover if frost threatens.
Plant hanging basket and keep them in a greenhouse or frost-free conservatory or porch until all danger of frost has passed.
Apply a general slow-release fertiliser to containers. If it’s applied as a surface dressing in spring, it should last container plants the whole season.
Earth up early potatoes to protect them from light and frost.
Begin mowing the lawn regularly, to encourage dense growth.
Start removing sideshoots and pinch out tendrils if growing sweet peas on a cordon system.
Transplant rhododendrons and azaleas that need to be relocated.