ZONE:
5
COLOUR:
Violet
HEIGHT:
20-30 cm
SPREAD:
30-40 cm
ZONE:
5
COLOUR:
Violet
HEIGHT:
20-30 cm
SPREAD:
30-40 cm
Grows best in an average to moist, well-drained soil, in full sun to partial shade and is drought-tolerant, once established. Often listed as a Zone 6 evergreen perennial, it has survived in our display gardens for several years in Zone 5, but does not remain evergreen. Prune after flowering to maintain shape.