Blue Planet is one of the smallest needled conifers and probably the smallest known spruce. This tiny bluish selection grows ever so slowly into a miniature bun or can be trimmed into a beautiful mini tree! For fairy gardens, garden railroads and for the smallest of miniature gardens, Perfect for Mame Bonsai, Saikei and Penjing displays, Zones 4-7. Easy care. Full sun in all but the hottest summer areas, Average soil, kept moist but well drained. Little or no fertilizer needed. About 6 inches tall at 10 years. Shipping size 3-4 inches. Please note: Does not like extremely hot humid climates.