As osteospermum prefer cool temperatures, plant them in early spring, making sure to protect them from an unexpected frost. Because osteospermum prefer cool temperatures, plant them in early spring, making sure to protect them from an unexpected frost. Although these flowers are usually grown as annuals, planting them in pots allows you to bring them under cover in the fall and overwinter. At its best, with regular watering and light pruning, osteospermum brings color and interest to any outdoor space.
It likes warmth and full sun. Treat it as an annual elsewhere. In many cases, plants will take a break from flowering during the hot summer until cool nights resume in the fall. Osteospermum require a sunny site and rich, well-drained soil.
Some varieties are hardy up to zones 10-11, but are best grown in mild climates.
Is osteospermum an annual or a perennial?
Buy osteospermum seeds or find a spent flower in your garden and brush the seeds into a container. Osteospermum fruticosum - creeping African daisy plant; grows in full sun but can tolerate partial shade if the soil contains a lot of organic matter. Osteospermum africana daisy is an erect, perennial plant reaching a height of about 25 cm with thick leaves and soft, rounded flower heads. The most common height of osteospermum varieties is between 30 and 40 centimetres, with an average of about 36 centimetres.
Horticultural specialists sell established Osteospermum varieties as well as their own brand new cultivars through their own websites. Osteospermum, a member of the daisy family (Asteraceae), is a semi-evergreen perennial or subshrub that is often grown as an annual.