Pelargoniums are pretty perennials that are to be found everywhere - spilling from window boxes and hanging baskets, adding splashes of colour to hotels and restaurants and beautifying sporting venues, schools and other public places.

As the environmental benefits of ground covers become big news, a host of exciting new ground covers are now available.

No summer garden is complete without rewarding agapanthus - a versatile plant that is both water wise and wind- and heat-resistant.