Subshrub: The Balloon series have special flowers in an attractive color range, it showcases good branching & a long flowering time. Use in borders, pots, hanging baskets & window boxes. Good cut flower. Has a dense, shrubby growth habit. Bloom time: spring to fall. Bloom color: yellow. Height: 8-10". Exposure: full sun. Water: moderate. Prefers well drained soil. USDA Z9.