Hundreds of pure white sweetly scented flowers smother this dainty alpine perennial in spring arabis caucasica 39snowcap39 forms tidy cushions of evergreen grey45green foliage and its spreading habit makes it perfect for rock gardens wall crevices patio containers or as a groundcover plant drought tolerant and easy to grow arabis are the ultimate low45maintenance perennial height 10cm 4043441 spread 50cm 40203441