Leafy, clump-forming perennials related to penstemon. All are native to the eastern U.S. and grow in damp places in sun or light shade. Frequently used in bog gardens. All bloom in late summer and autumn. Common name comes from the oddly formed flowersinch-long, puffy, and two-lipped, with a fancied resemblance to a turtle's head. Useful for cut flowers, shade gardens, wild gardens.
- Grows 23 feet tall (occa- sionally much taller), 112 feet wide.
- Medium green leaves to 8 inches long; white or palest pink flowers.
- Black Ace, with white blossoms, typically grows 34 feet tall but can reach 6 feet Its leaves emerge deep green with an almost black cast, then lighten to green by late summer.
- Zones US, MS; USDA 6-7.
- Reaches 34 feet tall, 2 feet wide.
- Dark green, 4- to 6 inches-long leaves; rose-pink flowers.
- Hot Lips has red stems and reddish purple flowers with a spot of white at the base.
- Pink Temptation grows just 15 inches tall; flowers are dark pink.
- Grows to 2212 feet tall, 1 feet wide.
- Dark green leaves to 8 inches long; deep pink blossoms.
- Latest bloomer among the species listed here.