Plant of the week: Gladiolus murielae

Gladiolus murielae (often known as acidanthera) has elegant, grassy leaves and tall stems that bear up to 10 large, white, hooded blooms with a blotch of dark purple at their throat in summer. Plant in pots or borders, in full sun. Buy 50 bulbs for £8.95, or 150 for £16.85 (prices include UK mainland p&p). To order, call 0330 333 6851, quoting ref GUPW271, or go to our Readers' offer page .