Catalogue of Mature Hedge Plants Planfor has selected for you all the Mature Hedge Plants. By clicking on the photo or the name of the Mature Hedge Plants, you will view the factsheet of the selected product. Why InstaHedge. Find out what we can offer you at InstaHedge and how to make your ideas a reality. Find Out More Planting Services. We can offer the full planting service, so your hedging and trees get the best start. Find Out More Hedge & Tree Care. A range of tips and guidelines can be found here on how best to look after your new hedging and . Instant Mature Hedging Here at Horkans we provide a wide selection of Quality plants suitable for hedging and screening purposes. Our Quality hedging is available in different sizes including our special range of mature plants which provide instant screening and privacy for your garden.