Ramonda Myconi Alba
These completely hardy members of the "African Violet" family make dark green rosettes of hairy succulent leaves from which arise round-faced, yellow-eyed, pure white flowers. They are very, very long-lived in walls where they will slowly get bigger year after year, and can stand an unbelievable amount of cold, heat and drought.
IMPORTANT! Sterilise the compost either with boiling water or by using the microwave. If the latter, cover the container, but not airtight it may explode. Sow seeds thinly onto damp compost DO NOT water in. Cover pot with cling-film and keep in a well-lit spot at room temperature eg a window sill. These seeds are VERY slow indeed to develop, taking many months, and not weeks. When about 1-2 cm wide plant them into normal compost and grow on.