Agapanthuses come from South Africa in areas with dry winters and moist summers but do well in Britain
to buy more or to lift and divide existing clumps. Although often sold in bulb catalogues, they do not actually form bulbs but instead form clumps with offsets.in areas with dry winters and moist summers but do well in Britain. The herbaceous ones that die back each winter are hardy to about -5°C or even -10°C but a few – including the evergreen, Black Jack, is partially evergreen.
Garden centre plants in larger pots are offered in full flower, enabling identification of exact shades for demanding colour schemes.will need careful watering after planting. There is more risk of introducing agapanthus gall midge if buying flowering plants and where this problem is absent, buying dormant plants free of soil is a safer option.
Large woody-aged clumps still have plenty of vigorous young offsets around their perimeter. In pots, a degree of congestion gives the best flowering – but flowering falls off in “rammed” pots. Gardeners are spoilt for choice. The many true-blue good agapanthus include Midnight Star and Flower of Love. Paler blues come from Blue Ice. There are manywith darker stripes or bases, such as Jacaranda and Indigo Frost respectively. Pure whites are also available including Arctic Star.