The Royal Horticultural Society gives its Award of Garden Merit (AGM) only to plants deemed to be excellent for garden use: easy to grow reliably healthy and with outstanding ornamental or productive qualities.The revised RHS Good Plant Guide recommends more than 3 000 award-winning trees shrubs perennials bulbs bedding plants fruits and vegetables for every garden situation and features over 1 500 colour photographs and descriptions of AGM plants all readily available from nurseries and garden centres.