Nosing around nurseries at this time of year, you might be lucky enough to come across - and perhaps be seduced by - the heady scent of a tall, exotic, white-flowered plant, Gladiolus callianthus. If ...

Sometimes called fragrant gladiolus or peacock orchid, acidanthera flowers resemble those of their close relatives, the gladioli. Both grow from tender summer bulbs, or corms. Both make long-lasting ...