Crossword and how to buy back issues

ACROSS

1 Name of clematis with bell-shaped mauve-pink flowers – a great structure in Kew! (6) 4 Austere name of a small red dessert apple (7) 9 Water-bound land – at centre of Wisley (4) 10 Rambling rose with clusters of pale-pink flowers, he let loose (5) 11 Bawdy colour of Scilla sardensis flowers? (4) 12 A Chaenomeles x superba with apple-like fruit – pa kindly moved (4,4) 14 Unwanted root offshoot – one easy to take advantage of? (6) 15 Shrub / tree with tulip or starshaped flowers (8) 16 A certain stiffness found in potatoes (6) 18 A courgette relative’s best part? (6) 20 Eg fronded plant of Dicksonia or Cyathea genus (4,4) 22 Large showy flowers – which control pupils? (6) 25 The wallflower genus – I put in summery arrangement (8) 26 Sooty fungal disease of plants – in virus mutation (4) 27 A panicle of eg pampas grass (5) 29 Bulge in lawn? That’s a blow! (4) 30 Dark red, bitter cherry and a Lollo Rosso lettuce (7) 31 Irrigates top of wilting aster variety (6)

DOWN

1 The parsnip genus – cooked as a catnip (9) 2 Small variety of cucumber, a London icon! (7) 3 Colour obtained from some hardy elderberry (3) 5 Trees of the Arecaceae family, handy things (5) 6 Du Maurier’s novel pink-flowering Daphne odora (7) 7 Sky-blue colour of Gentiana makinoi ‘Sensation’ (5) 8 Pyrethrum is obtained from this plant genus – my anthers much spoilt (13) 13 A terracotta-coloured sempervivum – having a soft light (5) 16 Run-down, like a pomegranate fruit? (5) 17 Ron’s sumac affected plant commonly called Cornelian cherry (6,3) 19 Eg an echeveria’s tightly packed cluster of leaves (7) 21 As crumbly soil is – possibly profitable without pot (7) 23 Ardent chap’s name for a compact pelargonium with deep-red flowers (5) 24 Petals, surprisingly, have no time for this calyx part (5) 28 A red-flowering compact Erica carnea – in boulevard (3)