About
Primula sieboldii 'Mikado' (Co), the Siebold primrose 'Mikado', is a deciduous woodland perennial to 30 cm with rosettes of pale-green, softly downy leaves and erect stems bearing clusters of white-eyed, pink flowers in late spring and early summer. A beautiful and rewarding primula for a cool, shaded, moist woodland border.
About the genus
Primula are herbaceous or semi-evergreen perennials forming rosettes of simple leaves and producing salver-shaped, bell-shaped or funnel-shaped flowers, solitary or in umbels or whorls on erect stems. An enormously varied genus ranging from compact alpines to stately border perennials.
Growing conditions
SunlightPartial shade
Soil typeClay, Loam
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, North-facing, West-facing
ExposureSheltered
UK hardinessH5
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Rock garden, Patio and container plants
Care notes
CultivationGrow in partial shade, in deep humus-rich, moist, neutral to acid loam soil; tolerates full sun if the soil remains moist at all times. See primula cultivation for further advice
PruningTidy plant after flowering and remove diseased or damaged leaves
PropagationPropagate by division in autumn
Pest resistanceMay be susceptible to aphids, leafhoppers, vine weevil and slugs
Disease resistanceMay be susceptible to a virus, grey mould (botrytis) or primula brown core