About
Royal Highland' is a semi-evergreen perennial with grey-green leaves and 1.5m spires of yellow flowers flushed with apricot, with a purple eye.
About the genus
Verbascum can be annuals, biennials, perennials or subshrubs mostly with hairy leaves and 5-petalled, saucer-shaped flowers
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAlkaline
Soil moistureWell-drained
AspectWest-facing, South-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageSemi evergreen
Height1-1.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCoastal, Gravel garden, City and courtyard gardens, Cottage and informal garden, Wildlife gardens
Care notes
CultivationPrefers a poor, well-drained alkaline soil in full sun. If grown in a more fertile soil the plants become larger and will need support
PruningCut back old stems to the base after flowering
PropagationDivide mature plants in the spring or take root cuttings in winter
Pest resistanceMay be susceptible to Figwort Weevil and some moth caterpillars
Disease resistanceMay be susceptible to powdery mildews