Birch in the Scottish Highlands

Day two of our Scottish drawing expedition took us to the southern shore of Loch Rannoch. We were in search of a treescape that would enable us to feature birch and water together. We had a specific place in mind for where the drawing will feature in the book. The weather was cold, as it… Read More

Scots Pine in the Black Wood of Rannoch

Yesterday our Scottish Drawing Expedition for The New Sylva got underway. In search of Scots Pine (Pinus sylvestris) we had travelled to one of the last remaining and best examples of Caledonian Pinewood: the Black Wood of Rannoch, in Central Scotland. High above Loch Rannoch, on an undulating heather-clad ridge, we found the perfect subject;… Read More

Estimating tree crown size

There is a very good relationship between a tree’s stem diameter and its crown diameter. This can be used in many different ways by foresters, arboriculturists and landscape planners to plan and model tree growth and … Read More

Birch pollen allergy

Trees provide us with many miracle cures, most famously aspirin from the willow and the cancer-busting drug taxol from the yew. However, they can also affect human health negatively. Pollen from the silver birch, Betula pendula, is the second most severe allergen for people in the UK. Late March is the usual peak in birch… Read More