ACROSS
Genus of triandrus and jonquil (9) A pink-flowering hebe… I put in pinkish wine (5) Describes plants eg in genus or (7) A common name for plant: ___ fern… helps to make compost, Richard! (7) Species term viridiflora means ‘___-flowered’ (5) Air plants don't need You'll find nothing in frangipani leaves (3) Genus of spiky-flowered plant bred by George Russell (7) Plant such as ivy geranium (7) Edible mushroom… found in comice pears (3) Prize such as RHS's most prestigious Victoria Medal of Honour (5) Agave relative commonly called ‘Adam's Needle’ (5) A vigorous, heavy-cropping gooseberry – mix it with Vinca! (7) Flowering bulbs related to – found in container in Essex (7) A dwarf, white, ‘Glendoick’ rhododendron– regrets having ends removed (5) Genus /common name of shrub with white bowl-shaped flowers – uh, a pricey sort (9)