September 8-16, 2012: this week's gardening events September 8 Chitterne "Super Saturday" Produce Show and Fete, 2pm-4pm, Chitterne sportsfield, Salisbury Plain, Wilts. Fruit and veg, flowers, produce, crafts, food and drink. Entry free (chitterne.com). Open gardens, 10am-5pm, Abbey Gardens, Bakers Row, London E15. East End community garden near the Olympic Park, open for the first time. Adults £2, children free. September 9 Durham Orchid Show, 1pm-4pm, Josephine Butler College, Howlands Farm, South Road, Durham. Eight specialist traders and six orchid societies, sales, tips. 48th Annual Surrey Chrysanthemum and Dahlia Society Show, 2.30pm-4.30pm, Toyota, Yew Tree Bottom Lane, Great Burgh, Epsom, Surrey. Plant sales, exhibitions and refreshments. September 14 Open gardens, 2pm-5pm, Windmill Cottage, Kings Road, Market Lavington, Wilts. One-acre cottage-style garden, with mixed beds and borders, roses on pagoda, veg patch. Home-made teas. Adults £2.50, children free (ngs.org.uk). September 15 Highgate Horticultural Society autumn show, 2pm-5pm, United Reformed Church, South Grove, London N6. Autumn colour, fruit and veg, home-made teas. Entry free. September 15-16 Autumn fair, 10.30am-4.30pm, National Trust Melford Hall, Long Melford, Suffolk. Unusual plants, bulbs, garden furniture for sale. Free for NT members, adults £3.50 (01787 379228; nationaltrust.org.uk/melfordhall). September 16 Rare plant fair, 11am-4pm, Llanover House, near Abergavenny, Wales. Fourteen nurseries, in a 15-acre listed garden and arboretum. Refreshments. Adults £4, children free (08454 681368; llanovergarden.co.uk).