Poor dry soils are bad news for a lot of plant varieties but arabis caucasica 39snowcap39 wouldn39t have it any other way this tough resilient evergreen perennial will thrive in rockeries borders and path edges providing ground cover throughout the year and masses of little white flowers in spring pollination insects will feast on the nectar rich flowers so arabis will be welcome feature in a wildlife garden too height 10cm 4043441 spread 50cm 40203441