Rhubarb, Rheum rhabarbarum, New grouth emerging from grey surroundungs, with the leaves compressed and looking similar to a brain.

Rhubarb, Rheum rhabarbarum, A small plant in front of four terracotta forcing pots beside a crumbly brick wall.

Chinese rhubarb, Rheum Palmatum, Frothy pink flowers on a thick stem in sunlight.

Rhubarb, Rheum rhabarbarum, Several terracotta forcing pots in front of a crumbling white brick wall.

Rhubarb, Rheum rhabarbarum.

Rhubarb, Rheum rhabarbarum.

Rhubarb, Rheum x hybridum 'Mac Red'.

Rhubarb, Rheum rhabarbarum.

Rhubarb, Rheum x hybridum 'Timperley Early'.

Chelsea Flower Show 2013, B&Q Sentebale ‘Forget-me-not’ Garden, Designer Jinny Blom. Sentebale is Prince Harry's charity. Silver Gilt Flora medal

Chelsea Flower Show 2013, B&Q Sentebale ‘Forget-me-not’ Garden, Designer Jinny Blom. Sentebale is Prince Harry's charity. Silver Gilt Flora medal

Chelsea Flower Show 2013, B&Q Sentebale ‘Forget-me-not’ Garden, Designer Jinny Blom. Sentebale is Prince Harry's charity. Silver Gilt Flora medal