When To Apply Spring Lawn Treatments.
If the weather is reasonable Mid March is normally the best time to apply a spring lawn treatment/feed in the UK.You will need to apply 2 weeks earlier if your lawn is as far south as Devon and or 2 weeks later at the end of March if you live in Central Scotland.Generally you need to apply on a dry day followed by rain or you watering the area 3 days after the application,but consult the instructions on the pack.