Family: Iridaceae
Common Name: Harlequin Flower

There are six or so cormous plants in this African genus. They have linear leaves and erect, branched stems bearing bell-shaped flowers, enclosed in large, colourful spathes. The flowers come in brilliant shades of red, orange or purple, or white and cream, with black and yellow centers. With its abundance of spring or summer flowers, Sparaxis looks best mass planted.

Species

S. fragrans has tall flowering stems, to 60 cm (24 in). Each bear three or four flowers, ranging in colour from purple to yellow and cream, many being given varietal names.

S. pillansii, to 60 cm (24 in), has pink flowers with dark yellow centers, near-white filaments and dark purple anthers.

S. tricolor, velvet or harlequin flower, to 45 cm (18 in) high, is the most commonly grown species. The flower spikes are borne on drooping stems. The very showy flowers may be red or pink through to orange-red, with dark purple markings on the base and a yellow throat, or pale pink or white with a purple base and yellow throat. The leaves are lance-shaped.

Cultivation

In frost-prone climates, Sparaxis is best grown in pots in a cool greenhouse or conservatory. Plant the corms in autumn, 10 cm (4 in) deep, in well-drained, gritty, soil-based potting compost. Ensure good light, but shade plants from direct, strong sun. Carry out moderate watering during the growing season and after flowering, gradually dry off the plants. During dormancy, in summer, the compost should be kept completely dry. Outdoors, grow in full sun and in well-drained soil. Propagate from offsets during the dormant period.

Climate

Zone 10.