1. Derbyshire Springs
The annual well-dressing season is under way in Derbyshire. The Pagan custom of decorating wells with plants and flowers takes place at towns and villages throughout the area (welldressing.com).
More than 150,000 visitors will descend on London from Tuesday for the horticultural show of the year, the RHS Chelsea Flower Show (24-28 May, rhs.org.uk).
They'll be going for the world record again at the Tetbury Wool Sack Race, a gruelling event where competitors run between two pubs in Tetbury carrying a large sack of wool, up to 60lb in weight (tetburywoolsack.co.uk).
Watch the giants of tennis battle it out at SW19 in the 125th All England Lawn Tennis and Croquet Club championship (20 Jun to 3 Jul, wimbledon.com).
Paul Simon, U2, Cee Lo Green, Beyoncé, Tinie Tempah and other big names line up for the festival this year (24-26 Jun, glastonburyfestivals.co.uk).
Oarsmen and partygoers converge on the Thames for the Henley Royal Regatta (29 Jun to 3 Jul, hrr.co.uk).
The Gooseberry Association Show is on the last Saturday in July and the first in August, at various locations across the county (visitchester.com).
See those human-powered flying machines at the International Worthing Birdman (13-14 Aug, worthingbirdman.co.uk).
The largest event of its kind, The Grasmere Lakeland Sports and Show, featuring Cumberland and Westmorland wrestling and the English Hill Championship fell races, takes place in the Cumbrian town on 28 August (grasmeresportsandshow.co.uk).
10. Notting Hill
Europe's biggest street festival brings its dazzling display of Caribbean dancers and floats to west London (29-30 Aug, thenottinghillcarnival.com).
For more summer events and ideas, go to enjoyengland.com