Ive seen succulent swaps take place in the US. would be interested in attending/ starting one here. Any interest?
Grow in light well-drained soil with a position in full sun.
Sow the annual seeds in the spring, the hardy perennial as soon as the seeds are ripe, you can divide the perennials in the spring.
Pests, diseases or disorders
Watch out for grey mould, aphids and mealbugs.