Agapanthus 39sweet surprise39 sports umbels of pale blue flowers between late june and august each flower has a charming star45shape once opened fully and a dark blue stripe down the centre of each petal with stiff upright stems that rise above clumps of strap45like semi45evergreen foliage it is perfect as ground cover being low maintenance african blue lilies are robust and resilient a neat and compact variety it is ideal for for cheering up up patio pots and the archit