8 H x 10 W   Dense mounds of citrus/lime coloured foliage make a beautifully bright spactacle, especially when contrasted with darker plants.Sprays of cream flowers rise above the foliage late in the season.  H. 'Citronelle' is exceptional for providing this sought-after colouring in a plant which grows vigorously and has better tolerance for heat and humidity and sunlight than many other cultivars, though shade protection from strong sunlight is still recommended. Its robust qualities are attributed to having H. villosa species in its ancestry.