PATCHWORK, Hall Park Gate, Berkhamsted HP4 2NJ. Opening for the National Garden Scheme, 2-5pm. Adults £5, children free. A blaze of colour from fuchsias, begonias, dahlias and dozens of  tubs and pots. Intriguing backcloth of shrubs and trees. Refreshments. Dogs on leads  welcome. Plenty of seating and cover.