Rheum nobile or Sikkim rhubarb, is a giant herbaceous plant native to the Himalaya. It is an extraordinary species of rhubarb At 1–2 m tall standing out from the crowd in its rather bleak natural habitat. Excellent for a cool and moist location with its attractive cream coloured bracts and broad foliage. One of the most architecturally striking of all Asian mountain plants and very rare in cultivation.