Cobham Improved Marrow

White smooth skinned roots measure 9-13 inches long and 1-3 inches wide. Roots obovate to obtriangular in shape and have a core about 1.5 inches wide. Plants 18-24 inches tall and 21-32 inches in width. Infected by canker and roots had high instances of splitting and cracking when grown in 2016 at Heritage Farm. Standard eating qualities. Donated to SSE by Gerald Smith (NJ SM G) who acquired this variety in 1988 from CV Johnny's Selected Seeds (Jo1). SSE Accession # 114695