Image for display purposes.’Emerald Cushion’ is a moss phlox that will create a beautiful carpet of colour during spring. This perennial will produce a mound of glossy evergreen foliage, that from April to May will be thoroughly covered in dainty lavender-blue flowers. A brilliant choice for rockeries and ground cover, ‘Emerald Cushion’ will suppress weeds and vigorously spread up to 50cm with a miniature height of only 10-15cm. Sold in a 2 litre pot.