This spreading heather is great for suppressing weeds from february to march erica x darleyensis f albiflora 39white perfection39is covered in pure white flowers that contrast with its bright evergreen foliage and looks great alongside snowdrops and crocus as a cultivar of erica x darleyensis it can thrive in any type of soil that is well drained the royal horticultural society awarded this heather cultivar its prestigious award of garden merit height 45cm 40183441 spread