What3Words reference: to be added soon Mature trees can grow to 15m in height and can live for up to 200 years. The bark is smooth and silvery grey, and leaf buds are purple and hairy. Look out for its 5–8 pairs of serrated leaflets which are distinctive. (Serrated means that the leaves have edges … Continue reading 9. Rowan/Mountain Ash (Sorbus aucuparia)