About

This ornamental bulb, reaching 20-80cm, with neat basal foliage. It bears colourful blooms. 'Taishō-roman' is valued in garden settings.

About the genus

Dahlia are tuberous rooted perennials with pinnately divided leaves and showy flowerheads, double in many cultivars, in summer and autumn

Plant details

Suggested usesBorders, containers

Care notes

CultivationWell-drained soil, sun
PruningAllow foliage to die back
PropagationDivide offsets
Pest resistanceTrouble-free
Disease resistanceRot in wet soil