This month...

THE LIVING JIGSAW 5 May, 1.30am-4pm

West Dean College, West Dean, nr Chichester, West Sussex PO18 0RX Talk by Val Bourne on her book, The Living Jigsaw (how to garden with wildlife in mind), which explores gardening without chemicals. £30 01243 818300; www.westdean.org.uk

TEMPERATE HOUSE REOPENS 5 May, 10am-5.45pm

Royal Botanic Gardens, Kew, Richmond TW9 3AE The world’s largest greenhouse, built 1863, re-opens to the public after a five-year restoration programme. See 10,000-strong collection of rare plants and historic specimens. £16 020 8332 5655; www.kew.org

RHS MALVERN SPRING FESTIVAL 10-13 May, 9am-6pm

Three Counties Showground, Malvern, Worcestershire WR13 6NW Exhibitors, expert advice and show gardens. Celebrity gardeners, and flower and art displays in the Great Pavilion. From £20; £18 RHS 0844 995 9664; www. rhsmalvernspring.seetickets.com

CREATE A CUTTING GARDEN 18 May, 10.30am-4.30pm

Woburn Abbey and Gardens, Woburn, Bedfordshire MK17 9WA Expert Jonathan Moseley explains how to create and use a cut-flower patch. Plus: create a stunning country garden-style arrangement to take home. £135 inc lunch 01525 290333; www.woburnabbey.co.uk

RHS CHELSEA FLOWER SHOW 22-26 May, 8am-8pm (5.30pm Sat)

London Gate, Royal Hospital Road, Chelsea, London SW3 4SR Iconic annual flower show. New for 2018: Space to Grow gardens and Chelsea at Twilight, with live music and street food. From £37; £29 RHS 0844 995 9664; rhschelsea.seetickets.com

KENT GARDEN SHOW 26-28 May, 9.30am-5pm

Kent Showground, Detling ME14 3JF More than 300 exhibitors offering plants and gardening goodies for sale. £8 adults; £7 seniors 01795 474660; www.kentgardenshow.com