What are the special challenges of espalier?
Each plant has an innate habit of growth: usual height, circumference, branch architecture to name a few attributes. Appreciating how a plant wants to grow and guiding it into a predetermined shape in one plane is the first challenge. But the larger issue is keeping the espalier branch design within its designed parameters as well as enjoying flower and fruit displays. Knowing when not to prune is as crucial as the reverse.
