First class selection. This hardy cultivar produces large impressive umbels of dark blue flowers above distinct deciduous leaves having dark violet blue/black bases. Sunny well drained spot. Height 60cm – 80cm.
A more recent selection producing umbels of soft light violet blue flowers from compact mounds of green foliage during summer. Sunny well drained spot. Height 40cm – 60cm.
A great selection having beautiful velvety purple rounded heads of flowers held clear above the green foliage during summer. Sunny well drained spot. Height 70cm – 90cm.
Delightful dwarf form having mounds of green foliage topped with white flushed blue flowers during summer. Sunny well drained spot. Height 40cm – 60cm.
Forms clumps of green strap like leaves from which arise numerous stems of loosely spaced mid blue flowers during summer. Sunny well drained spot. Height 80cm – 1m.
Rather attractive selection forming clumps of green leaves and producing rounded heads of strong white flowers with distinctive blue bases during summer. Sunny well drained position. Height 50cm – 70cm.
Lovely form of Giant Hyssop with aniseed scented foliage and upright spikes of lilac blue flowers loved by many pollinators. Needs sunny well drained spot to do well. Height 80cm – 1m.
Great mix of purplish/blue flowers and pink calyces produced on mounds of aniseed scented foliage make this a distinctive selection. Sunny well drained spot. Height 60cm – 80cm
Distinct form of this excellent groundcover plant having comparatively bold dark purplish foliage and short spikes of blue flowers during summer. Sun or light shade. Height 15cm – 25cm.