Sue Bradley reveals what to do in the garden this month, plus our blogger’s seasonal column
1 Get some inspiration by logging onto the Jardins Ouverts website to find local gardens that open to the public to raise money for charitable organisations in France: opengardens.eu 2 Support tall-growing perennial plants such as delphiniums to avoid having them flop later in the season. 3 Keep an eye on roses for the fungal disease black spot, particularly during damp weather. Remove any affected foliage and debris from around the soil. 4 Plant dahlia tubers for an autumn display.