What to grow
- 'Blue Triumphator'
90 cm, clear blue blooms and strong stems, deciduous, Zone 7
- 'Bressingham White'
90 cm, white umbels, deciduous, Zone 7
- Headbourne hybrids
90 cm, hardy, medium cobalt, sky-blue or white blooms, deciduous, Zone 6
1 to 1.2 m, deep violet-blue flowers with dark purple stems, deciduous, Zone 8
60 cm (an A. campanulatus cultivar), deep blue flowers, deciduous, Zone 7
30 to 45 cm, hardy, dark blue flowers, deciduous, Zone 6 (with winter protection)
- 'Peter Pan'
45 cm (dwarf form of A. africanus), pale blue blooms, evergreen, Zone 7
- 'Polar Ice'
80 cm, pure white, deciduous, Zone 8'
- Storm Cloud'
90 cm, bluish purple umbels, evergreen, Zone 7 (with winter protection)
45 to 60 cm, pale blue flowers with darker stripes, evergreen, Zone 7
50 cm (sport of 'Peter Pan'), blue blooms, cream-coloured band on leaves, semi-evergreen, Zone 8