What a great season it is for roses this year! Although the first flowering flush is a little later than usual it was worth waiting for. To continue to enjoy many more blooms throughout the summer and autumn regular dead heading is essential:
https://www.davidaustinroses.co.uk/blogs/news/how-to-deadhead-a-rose
During July give your rose bushes a specialist rose feed to invigorate the plant and encourage lots more lovely flowers.
https://www.davidaustinroses.co.uk/blogs/news/how-to-feed-a-rose