Plant with fragrant flowers (7)
(Other definitions for gardenia that I've seen before include "Shrub; drainage (anag.)" , "Drainage (anag) -- plant" , "Shrub such as the Cape jasmine" , "Shrub with fragrant flowers - in Grade A (anag)" , "Bad drainage produces a fragrant flower" .)
(Other definitions for freesia that I've seen before include "Sea rife with these odd flowers" , "Fragrant flower (sounds rather cold?)" , "Plant of the iris genus" , "Scented South African plant" , "Scented plant from South Africa" .)