About
Royal Blue' is a bushy herbaceous perennial to 45cm in height, with toothed, oblong leaves and axillary racemes of clear blue flowers.
About the genus
Veronica can be annuals, perennials or sub-shrubs with paired leaves and small flowers usually in terminal or axillary racemes or spikes
Growing conditions
SunlightFull sun, Partial shade
Soil typeLoam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitBushy
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
Care notes
CultivationGrow in loamy, moderately fertile, moist but well-drained soil in full sun or partial shade
PruningRemove spent flowers to encourage compact habit and good flowering in the folowing year
PropagationPropagate by division in autumn or spring
Pest resistanceMay be susceptible to aphids
Disease resistanceMay be susceptible to downy mildews, fungal leaf spot, fungal rot, Phytophthora and sometimes honey fungus