Often treated as perennials, the 24 or so members of this genus from the Canary Islands and Madeira are evergreen shrubs, part of the huge daisy family. Most species are low spreading, though some are erect, and have rather crowded leaves clustered at the tips of brittle stems; the leaves vary from coarsely toothed to deeply dissected, and have a slightly aromatic or bitter smell when bruised. Flowers rise above the foliage, borne on long stems. Of the numerous cultivars, the majority have double or semi-double flower heads in shades varying from white through pink to rose-purple. In the original 'single' forms, each head consists of a ring of ray florets around an eye of tiny yellow disc florets. Flowers appear over a long season.
CULTIVATION
Argyranthemum plants are marginally frost hardy and in cold climates need to be brought under shelter over winter. For permanent out-door use they prefer a temperate climate. Soil should be very well drained and not too rich, and a sunny position is essential. Propagate from tip cuttings in autumn for a spring and summer display.
Top Tip
Young plants can be shaped by gently pinching out growing tips; pruning lanky old plants should be done with caution as they often die if cut back hard.
CULTIVATION
Argyranthemum plants are marginally frost hardy and in cold climates need to be brought under shelter over winter. For permanent out-door use they prefer a temperate climate. Soil should be very well drained and not too rich, and a sunny position is essential. Propagate from tip cuttings in autumn for a spring and summer display.
Top Tip
Young plants can be shaped by gently pinching out growing tips; pruning lanky old plants should be done with caution as they often die if cut back hard.
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