Dahlias are an incredibly rewarding addition to any garden; not only are they vibrant in colour, but their petal pattern is quite a sight to behold. This is why it's so saddening when they stop blooming towards the end of autumn.
If you know how to grow dahlias, you'll know that the journey from tuber to the first bloom is a long yet worthwhile one. And while there's lots of effort needed to keep them alive over winter, before you start bidding them farewell for the cold seasons, there's a way to prolong those mesmerising blooms just a touch longer.
