This grower is sure of this plant identification.
Several plants are available in slightly differing size pots. The plants are of course dying off above ground now so may not be visible above the soil level when collected But they are Well grown and ready to be planted out now.
Rheum rhabarbarum ‘Timperley Early rhubarb’ (Rhubarb). Large dark green leaves which are poisonous, the stems of this variety are quite thin.
Harvesting may start in Late spring. Harvesting may end in Mid summer. Fairly easy to grow.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record