You have to feel it to believe it! “The texture and substance of the leaves remind you of a rhino’s hide—thick and unusualin . Slugs can’t touch ‘Rhino Hide’ PPAF! Leaves of extremely thick substance have wide, blue margins and a narrow, light green center that brightens to yellow. They are cupped and puckered, forming a medium to large sized clump in the landscape. White flowers top the scapes in early to midsummer.