Tree purslane, Mediterranean salt bush. An evergreen shrub with silvery-grey leaves, to 2m (7 ft) high but often smaller. The leaves and shoots are excellent lightly cooked, and the seed is also edible. Good in maritime hedges, and used to stabilise sand dunes. Needs a sunny site and not too acid a soil; hardy to -10°C. Stratification: ND. Number of seeds: 30.
