Hornbeam– Easier to identify in autumn, when the clusters of seeds and bracts change colour, Hornbeam trees were coppiced for charcoal. Hornbeam charcoal burns so hot that it was best suited to smelting iron. The wood Itself blunts carpenters tools, so was only used where very dense wood was needed, as in Watermill and Windmill cogs. Hornbeam is also known as Lanternhorn, as it burns very brightly and gives good heat. It is often grown as a hedge. Conditions: Cloudy and still. Temperature: Max 13- Min 8C.