A tidy low growing perennial that gets its name from the 'balloon' shape of the petals form before opening. This is a delicate pink color with darker pink veining on the petals. A very low maintenance plant! Stays nice and small at 8-10 inches tall and 6-8 inches wide so it can be utilized along walkways, to fill in gaps, or just a good addition to a small garden. Blooming is typically midsummer that lasts for weeks. Often one of the last perennials to emerge in the spring. Likes full sun to part shade in average to moist well drained soils.