About
A tender, rounded to spreading, evergreen shrub to 2.5m tall, with small oval leaves. From mid-summer to late autumn it produces dark purple flowers, 2.5cm long, at the stem tips.
About the genus
Polygala can be annuals, evergreen perennials or shrubs, with simple leaves and racemes of somewhat pea-shaped flowers
Growing conditions
SunlightFull sun, Partial shade
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, South-facing, West-facing
ExposureSheltered
UK hardinessH2
Plant details
Plant typeShrubs
HabitBushy
FoliageEvergreen
Height1.5-2.5 metres
Spread1.5-2.5 metres
Time to full height5-10 years
Suggested usesCottage and informal garden, Mediterranean climate plants, Patio and container plants
Care notes
CultivationUnder glass grow in peat-free, loam-based compost with added extra organic matter and grit. Position in full light with shade from hot sun. In growth, water freely and apply a balanced liquid fertiliser monthly; water sparingly in winter
PruningSee pruning group 9
PropagationPropagate by sowing seed at 15-18°C in spring, take softwood cuttings in early summer or semi-ripe cuttings in late summer
Pest resistanceMay be susceptible to aphids and glasshouse whitefly
Disease resistanceGenerally disease-free