Photographs: Dunmanway, Co. Cork

Sweet Alison Lobularia maritima Alasam cumhra Family: Brassicaceae Flowering: June-September. Annual. Introduced. Clusters of scented white flowers with 4 un-notched petals. The greyish-green leaves are linear-lanceolate, pointed and un-toothed. Very branched, spreading or sprawling growth. Height 10-20cm. A naturalised garden escape on dry, sandy wasteground, in pavement cracks and on walls and stony beaches. Most frequent in south-east and north-east Ireland.

Sweet Alison, Lobularia maritima, Alasam cumhra