Early White Vienna Kohlrabi (Brassica oleracea) is a fast-growing, early-maturing kohlrabi variety known for its light green, tender, and mild-flavored bulbs. This heirloom plant matures in about 55-60 days, making it an excellent choice for spring or fall gardens. Early White Vienna produces round, smooth bulbs that sit above the soil and have crisp, juicy white flesh. The flavor is similar to a mild turnip, with a subtle sweetness.