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Amelanchier alnifolia 'Obelisk' is a very low maintenance, easy to grow and versatile variety of tree that produces colour changing foliage, as well as super star-shaped white blooms in the middle of spring. It?s leaves take on red, into green then into yellow shades before the falling in autumn. Ideal for small spaces, pruning is not essential for it to thrive. Height: 6m (20'). Spread: 4m (13').