(Dwarf Morning Glory) If a true blue flower is what you are looking for, look no further than Evolvulus BLUE MY MIND® XL. The bright blue flowers are 30-50% larger flowers than the original BLUE MY MIND® XL. Planted in full sun locations, the hotter it gets the better this annual performs. BLUE MY MIND® XL stands 4-8 inches tall and can spread up to 20 inches wide and has increased vigor to stand up to companion plants. The mounding/ trailing habit is perfect for hanging baskets and planters as well as garden landscape borders. BLUE MY MIND® XL Evolvulus can handle the heat, but does require being watered regularly for best growth and flower production. When planting we recommend adding a continuous-release fertilizer for best performance.