Many may remember their grandparents coming home with plant cuttings from neighbours and friends. Also known as propagation, you can simply snip a piece from an established plant, such as lavender or rosemary, and grow a new plant from it. There are various methods, but one effective way is to take a cutting just below the leaf node – the point where leaves appear on the stem – then place the stems in water. Leave in a bright place to take root for a few weeks, then pot with peat-free compost.

Grandma’s gardening tips that never fail