During the last weeks I did some work including root cutting, potting and styling on a couple of my pre-bonsai trees. My collection consists of a stock of approximately 100 trees ranging from European oak (Quercus robur), small-leaved lime (Tilia cordata), pin oak (Quercus palustris), horse-chestnut (Aesculus hippocastanum), European beech (Fagus sylvatica), Ginkgo biloba, Common hazel (Corylus avellana), Creeping pine (Pinus mugo), Scots pine (Pinus sylvestris), English Yew (Taxus Baccata), … .