 The Guild also aims to help its members operate efficiently and profitably and improve liaisons between garden writers, photographers, publishers and more.Full membership is restricted to those who have been published and are earning a significant level of income from their gardening and horticultural media activities, although Probationary membership can be given for up to three years to anyone seeking to establish themselves as professionals in this field.Associate membership can also be given to those employed in activities closely linked with horticulture and the garden media – examples being PR, marketing and publishing.