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). 
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