FLOWERING SHRUB. Easy to grow fromand flourishes in poor, dry soil, preferably sandy, similarly to broom, to which it is allied. It likes the sun. aetnensis is slender and grows to 14 ft. as also does the rather straggly cinerea. For rock gardens and dry walls pilosa and sagittalis are suitable, and for the border tinctoria (2 ft.) and tinctoria floreplena (18 in.). All are various shades of yellow, flowering in late spring or early summer. The only needed is when young to create bushiness. Take in summer to strike in frame and grow on in , till big enough to pot out during autumn, as they do not take kindly to transplanting.