• 15-16 October: Alpine Garden Society Alpine Weekend, RHS Garden Harlow Carr, Crag Lane, Harrogate, Yorks HG3 1QB. 0203 1765 830, rhs.org.uk/gardens/harlow-carr
• 15-16 October: Hillcrest, Waunborfa Road, Cefn Forest, Blackwood, Gwent NP12 3LB, open for NGS. A cascade of secluded gardens of distinct character set in 1 1/2 acres. 01443 837029, ngs.org.uk
• 15-16 October: Dingle Nurseries & Garden, Welshpool, Powys, SY21 9JD, open for NGS. Colour-themed beds with year-round interest and a large variety of rare and unusual trees, shrubs and herbaceous plants. 01938 555145, dinglenurseries.co.uk
• 15-16 October: Walton Poor House, Ranmore, Surrey RH5 6SX, open for NGS. Tranquil, almost secretive, mostly wooded 4-acre garden in the North Downs Area of Outstanding Natural Beauty. Mixture of colourful shrubs and mature trees. 0148 282273, ngs.org.uk
• 16 October:…
