Spirea Shrub Height Shipped:2 3 Feet Avoid clay soils that may old_product_id_10723 Avoid clay soils that may become waterlogged and their valuable timber Another reason for the popularity of spirea is that each season has something to offer․ Spring bloom is soon upon us‚ and spirea brings a rich note of color and fragrance when winter is well and truly over․ Summer is best for the profusion of bright green foliage and flowering․ Fall is best for the vivid colors of the yellow to orange leaves․ In the winter‚ even when the spirea appears dead‚ and the branches are drab and naked of bloom‚ the beauty of the branches and the form give ornament to the winter landscape‚ giving an ever changing garden that has visual interest in every season‚ and at all points in time․ others will arch out and reach a height of five or six feet․ The leaves are usually narrow with serrated margins and a dark green color․ Flowers sometimes appear on pendulous branches during spring and summer․ As a result‚ whether it is the green of summer or the colorful riot of the spirea flowers‚ the spiraea is much more than just a plant‚ it is a vibrant piece of garden․