Botanical Name: Brassica rapa
Days to Maturity: 30–40 days
Native: Probably Eurasia
Hardiness: Frost-tolerant biennial, grown as an annual; will withstand light frost.
Plant Dimensions: 2″–5″ diameter roots
Variety Information: ‘Market Express’ is a white, Japanese salad turnip with dark green, smooth leaf tops, known for being quick to harvest and well-suited for eating fresh as well as cooked.