Cinerarias' like a raised garden bed because they don't like wet feet. To raise a garden bed, bury tree prunings and weeds. However don't use weeds such as sour sobs. A novely wheelbarrow Cineraria loves a well dug garden bed with discarded plants buried underneath. The Cinerarias in the picture are grown from collected seeds.
Seeds are ready for collection when the seed heads are white and fluffy.
Tea strainers with various sized holes can be used to seperate the seeds form the charf. 600 punnets of Cinerarias Sow seeds in punnets. No room for sowing seeds , then plant Seeds around existing pot plants and prick out. Seeds raising is easily done in perlite with an upside down drink container. The upside down drink container is used to keep the perlite moist.