About
A reliable shrub, reaching 80-150cm, with a compact framework of attractive leaves. It displays colourful flowers.
About the genus
A genus of around 60 to 70 species of flowering annuals, perennials and dwarf evergreen shrubs native to temperate parts of the Northern Hemisphere. Plants within this species have aromatic green foliage which can vary from needle-shaped to nettle-like and 2-lipped, sage-like tubular flowers in shades of purple, blue or white
Plant details
Suggested usesBorders, mixed plantings
Care notes
CultivationFertile, well-drained soil in sun or light shade
PruningPrune after flowering to maintain shape
PropagationSemi-ripe cuttings in summer
Pest resistanceGenerally trouble-free
Disease resistancePowdery mildew in dry conditions