Crossword and how to buy back issues

ACROSS 1 Blue-flowering shrub aka ‘California lilac’, aunt chose to move (9) 6 Brownish-yellow colour of Cortaderia richardii plumes (4) 8 Genus of mat-forming evergreen with star-shaped flowers, a tapir disturbed (6) 9 Sloping garden area in Doncaster race-course (7) 10 Beautifully scented narcissus – object of worship (4) 11/12 Bearded iris with large white flowers – ‘Contented Feeling’ (5,4) 13 Mediterranean ‘rose bay’ enclosed by escarole and eryngium (8) 15 A sign of mosaic virus on tulip – priest affected (6) 17 View in ha-ha – spectacular! (6) 19 I ask Carl about hardy annuals commonly called farewell to spring (8) 21 See 15 down 23 Scattered seed – therefore spliced? (5) 25 Vegetable’s gradual liquid discharge, say (4) 26 Monocle actually contains genus of deciduous fern (7) 27 Yew with white winter foliage, a pendant of frozen water (6) 28 Tinged with colour – but withered, we hear (4) 29 Frameworks for climbers, renovated tirelessly (end removed) (9)

DOWN 1 Genus of plants with tubular flowers, cold initially on a dry soil (disturbed) (9)

2 Plant with sword-like, silvery leaves, partly pastel, I admire (7)

3 Edible spinach-like plant – remove it from cultivated haricot (5)

4 Group of colourful rhododendrons – for a rash person? (7)

5 Swithinbank, initially, to appeal on high for a flower arrangement! (5)

6 Highland Games venue’s sprout with bright green buttons (7)

7 A fiery-coloured Helenium in Corfu eg orchard (5)

14 Banned insecticide starts to devastate daffodil trumpets (3)

15/21 Speaking endlessly about the thrift plant (3,4)

16 Genus of French bean Saul hopes to develop (9)

18 Henry, 19th-century sweet pea breeder – forced to move around Kew initially! (7)

19 Poisonous relative of carrot/ parsley, also called water hemlock (7)

20 Genus of shrubs called calico bushes (7)

22 White, oval Pentland potato alternative in Hedera (5)

23 Divide eg clump of bulbs left in skewer (5)

24 A row of seeds provides physical exercise! (5)