• 31 July: Byways, 7A Brookfield Avenue, Brookside, Chesterfield, Derbyshire S40 3NX (1-4.30pm). Open in aid of NGS and Ashgate Hospice.ngs.org.uk 01246 566376
• 31 July: Froggery Cottage, 85 Breakleys Road, Desborough, Northamptonshire NN14 2PT (11.30am-5pm) Open in aid of NGS ngs.org.uk 01536 760002
• 2 August: A Passion for Plants: gardening for beginners (10.30am-noon/1-2.30pm), Chelsea Physic Garden, 66 Royal Hospital Rd, London SW3 4HS 020 7352 5646; chelseaphysicgarden.co.uk
• 3 August: The Power of Plants: Ethnobotany for Beginners (10.30am-2.30pm), Chelsea Physic Garden, 66 Royal Hospital Rd, London SW3 4HS 020 7352 5646; chelseaphysicgarden.co.uk
• 6 August: Plant Hunters' Fair (10am-4.30pm), National Memorial Arboretum Alrewas Staffs. DE13 7AR planthuntersfairs.co.uk
• 7 August: Hilltop, Woodville, Stour Provost, Gillingham, Dorset SP8 5LY (2-6pm). Open in aid of NGS ngs.org.uk 01747 838512
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