Mertensia ciliata Tall Chiming Bells A Colorado Native Subalpine Species Boraginaceae or Forget-Me-Not Family 24 to 36 inches tall - blue with pink blush Full sun to part shade Wet, humus-rich soil Late Spring Propagate by seed or division Photos by Jane Hendrix A relative of Forget-Me-Not, Tall Chiming Bells is an indicator in the wild of boggy soil. Its blue-green leaves nicely set off the deep blue flowers that age to pink. Tall Chiming Bells spreads by rhizomes and can be aggressive in a small garden. Give this plant the space it needs and keep the soil constantly wet. A mature specimen will attain the height of 24-36 inches.