Rhubarb (Rheum) Raspberry Red Rhubarb (Rheum) Raspberry Red is a superb rhubarb variety with a deliciously sweet flavour. This vigorous Autumn planting rhubarb is of high quality with tender stems of Rhubarb \'Raspberry Red\' can be harvested early in the season, without the need for forcing. Rhubarb (Rheum) Raspberry Red is delicious in pies and crumbles! These budded pieces, taken from established crowns will quickly mature, resulting in crowns big enough to harvest from 2 years after planting. Height: 60cm (24). Spread: 120cm (48).