Found mainly in southern Africa, this genus consists of some 70 species of annuals, perennials, and subshrubs of the daisy family (Asteraceae). The plants are generally low, spreading, or mounding in growth habit with simple, broadly toothed, slliptical to spatula-shaped leaves. Osteospermum plants are valued for the cheerful carpet of flowers they provide through the warmer months. The flowers are daisylike: a large outer ring of petallike ray florets, mainly pink, purple, or white, surrounds a central disc, often an unusual purple-blue color and sporting golden pollen-bearing anthers, which add to the plant's beauty. The genus name comes from the Greek words osteon (bone) and sperma (seed) and refers to the hard seeds.
CULTIVATION
Most species will tolerate only light frosts and prefer a sunny position in light well-drained soil. Avoid over-watering as this can lead to straggly growth. Pinching back and deadheading keeps the plants compact. Propagate annuals from seed and perennials from tip cuttings.
Top Tip
Very hardy plants, Osteospermum species suit a range of garden situations including along paths, in borders, over embankments, or in rock gardens.
CULTIVATION
Most species will tolerate only light frosts and prefer a sunny position in light well-drained soil. Avoid over-watering as this can lead to straggly growth. Pinching back and deadheading keeps the plants compact. Propagate annuals from seed and perennials from tip cuttings.
Top Tip
Very hardy plants, Osteospermum species suit a range of garden situations including along paths, in borders, over embankments, or in rock gardens.
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