ZONE:
4
COLOUR:
Blue (light)
HEIGHT:
60-80 cm
SPREAD:
60-75 cm
ZONE:
4
COLOUR:
Blue (light)
HEIGHT:
60-80 cm
SPREAD:
60-75 cm
Grows best with average to medium moisture, in a well-drained soil. Not always reliable in harsh winters, so protected sites are advised. Pinching the plants back early to midsummer will encourage more blooms. Staking should not be required.