Amelanchier alnifolia ' Obelisk' is a large shrub which is upright & has white flowers in spring. It has green leaves that will turn stunning yellow before falling off in the autumn. If well watered it is a great plant for a patio container. If required it can be pruned to the shape desired after flowering. Flowers April-May. Height 250-300cm. Supplied in a 3 litre pot.