About
Primrose Upward' is a clump-forming plant with long, upright to arching leaves; height to 115cm, spread to 110cm. The flower spikes have recognisable colouring, green buds opening to pale yellow florets just tinged with chestnut. Floriferous, and in flower for a long period.
About the genus
Kniphofia may be evergreen or herbaceous perennials, with linear or strap-shaped leaves and erect stems bearing a dense raceme of tubular, usually pendent flowers
Growing conditions
SunlightFull sun, Partial shade
Soil typeLoam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, East-facing
ExposureExposed
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1-1.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Gravel garden, City and courtyard gardens, Mediterranean climate plants
Care notes
CultivationGrow in full sun and fertile, moist but well-drained soil that isn’t too wet over winter. See kniphofia cultivation for further advice
PruningCut down old flower stems after flowering; old or dead leaves can be tidied up or removed in mid-spring
PropagationPropagate by division of established clumps in late spring. Propagate by taking offshoots from the crown
Pest resistanceMay be susceptible to aphids, thrips, slugs and snails
Disease resistanceGenerally disease-free