Annual or Tender Perennial: The Bella series features dainty blms from spring to fall. It brings an extremely fine & delicate texture to the garden & should be used to full effect. Great as a ground cover, in borders, spilling over pots, hanging baskets, rock gardens & window boxes. Easy to grow. Very heat tolerant. Attracts butterflies. Exp.: full sun/pt shade. Blms: spring-fall. Blm color: royal blue w/wht eye. Water: mod. Ht.: 6-8". Spd.: 8-12". Z10.