ZONE:
3
COLOUR:
Purple (deep)
HEIGHT:
150-170 cm
SPREAD:
60-70 cm
Alcea rosea 'Black Knight' - Hollyhock - Photo courtesy of Walters Gardens, Inc.
ZONE:
3
COLOUR:
Purple (deep)
HEIGHT:
150-170 cm
SPREAD:
60-70 cm
Grows best in a moderately fertile, average to moist, well-drained soil, in full sun. May require staking if planted in exposed sites.