About
Lawrenceanum' is a compact, bushy plant to around 40cm tall with rounded,bluntly-lobed, aromatic leaves. Arching sprays of small, dark purple flowers with paler petal edges are borne on wiry stems and have a spicy scent at night.
About the genus
Pelargonium can be perennials, sub-shrubs or shrubs, sometimes succulent and mostly evergreen, with palmately lobed or pinnately divided leaves and clusters of slightly irregular, 5-petalled flowers
Growing conditions
SunlightFull sun
Soil typeLoam, Sand
Soil pHAlkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH1C
Plant details
Plant typeBedding, Houseplants, Conservatory Greenhouse
HabitBushy
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCity and courtyard gardens, Patio and container plants, Mediterranean climate plants, Cottage and informal garden
FragranceFlower, Foliage
Care notes
CultivationUnder glass grow in full light with shade from hot sun and good ventilation. When in growth water moderately and apply a balanced liquid fertiliser in spring and early summer. A high potash fertiliser should be used when in flower. Water sparingly in winter. Can be grown outside in frost-free areas in a fertile soil. See also pelargonium cultivation
PruningDeadhead regularly
PropagationPropagate by softwood cuttings in spring or summer
Pest resistanceSusceptible to vine weevil, caterpillars and thrips
Disease resistanceMay be susceptible to grey moulds when grown under glass