This popular, silvery blue tree boasts soft, plumy foliage and a full, pyramidal habit with somewhat open branching. In its natural form, makes a colorful backdrop for other plants or an excellent choice for filling a corner or screening a view. And since it responds well to training and shearing, a well-sculpted specimen becomes an exquisite focal point in the formal garden.. Mature Size: 5′-12′ x 2′-4′ after 10 years. Full Sun (6+ Hours), Morning Sun Afternoon Shade.