Petunias aren't winter-hardy in the UK; you should take them in before the first frosts. It can be difficult to keep a mature plant alive over winter, so taking cuttings is often a better way of keeping it going. Reply
Petunias aren't winter-hardy in the UK; you should take them in before the first frosts. It can be difficult to keep a mature plant alive over winter, so taking cuttings is often a better way of keeping it going.