About
Glycyrrhiza glabra, liquorice, is a woody-based perennial to 1.2 m with upright stems bearing sticky, pinnate leaves to 20 cm long. Loose, upright spikes of pale blue to violet flowers are produced in late summer. The deep taproot is the commercial source of liquorice flavouring. An interesting and ornamental plant for a wild garden or informal border.
About the genus
Glycyrrhiza, the liquorices, are herbaceous perennials with pinnate leaves and spikes of white, violet or pale-yellow, vetch-like flowers. The taproot of G. glabra is the commercial source of liquorice. Grown as ornamental border plants and for their medicinal and culinary roots.
Growing conditions
SunlightFull sun
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH5
Plant details
Plant typeShrubs
HabitBushy
FoliageDeciduous
Height1-1.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
Native toMediterranean to S.W. Asia
Care notes
CultivationGrow in deep, fertile, moist soil in full sun. Plants should be at least three years old before the roots are harvested
PruningNo pruning required
PropagationPropagate by sowing seed in containers in a coldframe in spring or autumn. Divide roots, each with one or more growth buds, in early spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free