About
Roseum' is a perennial with attractively dissected, aromatic foliage and umbels of lilac-pink flowers in late spring or early summer.
About the genus
Chaerophyllum are tap-rooted perennials with fern-like, finely divided leaves and umbels of small white or pink flowers
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Poorly-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
FragranceFoliage
Care notes
CultivationGrow in a fertile, moist soil in sun or partial shade
PruningCut down after flowering
PropagationPropagate by seed sown in pots in a cold frame as soon as ripe or in early spring
Pest resistanceMay be susceptible to slugs, snails and aphids
Disease resistanceMay be susceptible to powdery mildews