GROW London ticket offer

For a contemporary take on British gardening visit GROW London garden fair, 19-21 June, Hampstead Heath. You’ll find stylish garden products and plants, plus there are talks from experts. We have ten pairs of tickets to give away to the Garden Party Preview on the evening of Thursday 18 June (worth £50) to the first ten readers who email hello@growlondon.com quoting ‘Gardens Illustrated’ in the subject line. Or, for half price tickets for the Friday, Saturday or Sunday, go to growlondon.com and use the code GIHP15 when booking. Angie Lewin’s work features found natural objects, leaves

and seedheads. • Botanical Illustration – Spring Greens Botanical illustrator Valerie Price guides you in the observation of colour, shape and texture of leaves. 8 May, £75. Ardington School of Crafts, School Road, Ardington, Oxfordshire OX12 8PN. Tel 01235 833433, ardingtonschoolofcrafts.com

• Cambridge University Botanic Garden Festival of Plants

Annual festival bringing together horticulture and science. Horticulturists, plant experts and scientists all on hand for talks, tours and plant sales. 16 May, 10am-5pm. Free. University Botanic Garden, 1 Brookside, Cambridge CB2 1JE. Tel 01223 336265, botanic.cam.ac.uk

• The special flowers of Oxford Meadows

The 2015 Biodiversity Lecture and the first in the Oxford Botanic garden Summer Lectures series. This talk celebrates the flora of Oxford’s ancient floodplain hay meadow. 22 May, 6.30pm. £8. Daubeny Lecture Theatre, The University of Oxford Botanic Garden, Rose Lane, Oxford OX1 4AZ. Tel 01865 286690, botanic-garden.ox.ac.uk/whatson

• Lost Art of Nature Printing

Printermaker Pia Östlund helps you create nature prints using a technique developed by 15th century physicians. 26 May, 10.30am-2.30pm1 (for ages ten-plus). £9.90 (child £6.60). ChelseaC Physic Garden, 66 Royal Hospital Road, London SW3 4HS.4 Tel 020 7352 5646, chelseaphysicgarden.co.uk

New for 2015 Rose displays from specialist growers and florists with lots of rose growing advice. 29-30 May, 10am-5pm. £8 (£5 in advance). Royal Horticultural Halls, London SW1P 2QW. rhs.org.uk

• RHS London Rose Show