Jonathan Ross is opening the 273rd Summer Flower Show in Hampstead Garden Suburb today.

The television presenter will judge and award prizes at the annual event that begins at 3.15pm, at Free Church Hall, in Northway.

Organised by Hampstead Garden Suburb Horticultural Society, the day will include displays of seasonal flowers, fruit, vegetables and cookery, as well as fancy-dress competitions.

Children under 16, can dress up as a flower, fruit or vegetable of their choice and those over 17, can design and wear a hat based on the same theme.

There will also be specialist plant nurseries selling their wares and homemade teas.