Crisp white blooms with a sunny bright yellow centre make bidens moonlight a real stand out plant for bed and borders these versatile and easy to grow half hardy perennial plants will also enhance pot and basket displays alike as the masses of flowers tumble over the sides for a dramatic display height 20cm 4083441 spread 30cm 40123441culinary information the blossoms are commonly used in salads but also hold their flavour once cooked and can be added to a variety