Digitalis Lutea. This little evergreen perennial gets its common name of straw foxglove from its light yellow coloured flowers. This foxglove it not as showy as some but is a real delight and delicate addition to the collectors garden. Flower spikes if tiny lemon to cream flowers in late spring to early summer.  Short lived so make sure you let in seed down. 60cm by 30cm. Full sun to part shade.