Plant this Russian sage, or Perovskia atriplicifolia, comes into its own as midsummer tips over into late-summer lassitude: its aromatic, silvery foliage and spires of lilac flowers look good with grasses in a sunny border. Height and spread around 1m x 1m – choose cultivar ‘Little Spire’ if you lack room.
Visit this The walled garden at Harewood House near Leeds has been transformed into a musical art installation this summer. More than 30 “audio interventions” by Australian musician Genevieve Lacey have been hidden around the space for visitors to explore. Until 29 September, visit harewood.org.
Water this Irregular watering can trigger all kinds of problems with thirsty crops, especially those in containers, including blossom end rot in tomato, where the end of the fruit turns black. Put trays underneath containers to catch outflow, and mulch the tops to slow down evaporation.