Erysimum ‘bowles mauve’, also known as a perennial wallflower, is such a fabulous plant to have in your garden, it just keeps flowering all year around! It is classed as a perennial but it’s more like a small shrub in appearance and the fact that it doesn’t die off in winter adds to this. Eventually, after a few years they go to look really spindly and get too big. This is the time to take cuttings, if not before.  It is a really easy plant to take cuttings from, just choose a new shoot with no flower buds yet formed. Pop it into some gritty compost, or just pop it…