About
This upright evergreen shrub with small oval aromatic leaves, and short terminal racemes of purple or mauve, two-lipped flowers 1cm across, in early summer.
About the genus
Prostanthera are bushy evergreen shrubs with small, dark green, highly aromatic leaves and terminal panicles or racemes of cup-shaped white blue or purple flowers in late spring or early summer
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, East-facing
ExposureSheltered
UK hardinessH3
Plant details
Plant typeShrubs
HabitBushy
FoliageEvergreen
Height1.5-2.5 metres
Spread1-1.5 metres
Time to full height10-20 years
Suggested usesCity and courtyard gardens, Patio and container plants, Mediterranean climate plants
Native toE Australia
FragranceFoliage
Care notes
CultivationGrow under glass in a peat-free, loam-based compost in full light. Grow outdoors only in a frost-free environment with moist but well-drained soil in full sun. Prune after flowering; hard pruning may be detrimental
PruningPruning group 8
PropagationPropagate by seed or semi-hardwood cuttings
Pest resistanceMay be susceptible to glasshouse red spider mite and glasshouse whitefly
Disease resistanceMay be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility