About
Rosetta' is a biennial or short-lived, evergreen perennial, producing a basal rosette of dark green leaves and spires of close-packed, saucer-shaped, rich pink blooms in summer.
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
Soil pHAlkaline
Soil moistureWell-drained
AspectWest-facing, South-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeAnnual Biennial, Herbaceous Perennial
HabitColumnar upright
FoliageEvergreen
Height1-1.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCity and courtyard gardens, Gravel garden, Cottage and informal garden, Wildlife gardens
Care notes
CultivationGrow in poor, alkaline, well-drained soil in full sun. Mulch around the base overwinter, without covering the crown
PruningRemove faded flower spikes
PropagationPropagate by root cuttings in winter
Pest resistanceMay be susceptible to caterpillars and figwort weevil
Disease resistanceMay be susceptible to powdery mildews