ACROSS
1 Frost, winds and which other weather phenomenon? (10) (anag)
7 Mary and Christmas holly have this in common! (5)
8 Reddish-brown colour associated with early photographs, found in a gorse piazza! (5)
9 Feature of holly leaves! (8)
11 Genus of bulbous plants from South Africa (from the iris family), with slender sword-shaped leaves and showy, multicoloured flowers (8)
14 This composer of operas is also a variety of canna, pleione orchid, auricula primula and pear (5)
15 Cake sugar, as in the perennial Salvia greggii ‘_____ Sugar’! (5)
16 Common name for Argyranthemum frutescens (10)
DOWN
1 Stout, single-edged cavalry sword with a curved blade, as in Narcissus ‘Silver _____’ (5)
2 Look, radish contains Hibiscus esculentus, grown for its edible pods! (4)
3 Aid my garden,…