A phrase you’re going to hear a lot in the next couple weeks is the Chelsea chop. But most people don’t actually know what that is. Today’s Gardening tips will show you how to do the Chelsea chop on your own herbaceous perennial Plants and how to extend the flowering season to later on in the year and stop them becoming so top-heavy and floppy. ##gardeningtips##chelseaflowershow##planttips##pruning##salvia