A simple task to master could be the key to extending colourful hues in your garden throughout autumn. Removing the heads of spent flowers may enable gardeners to squeeze out a last bloom from their dahlias this month, according to Monty Don. The horticulturalist shared: “Keep deadheading throughout October, particularly the equatorial plants like dahlias. “This will extend their flowering season and squeeze the last bloom from them. “Spent dahlia flowers can be tricky to differentiate from unopened buds, but the foolproof difference is that when they have finished flowering, they become point…
