Purple Vienna Kohlrabi is a member of the cabbage family & produces a gorgeous purple stem with a white, crisp mild tasting interior. Purple Vienna kohlrabi is best harvested when the stem reaches 5-7.5 cm (2-3) in diameter. Even moisture is essential during the growing season if any dry periods occur. Purple Vienna Kohlrabi can withstand considerable frost & when conditions are not too cool or too hot, crops can be harvested in as little as 6-8 weeks after sowing. Annual. 60 days to harvest How to Grow Sow seeds every two weeks from late April through early August 1 cm (1/2) deep & 2.5 cm (1) apart. Space rows 30-45 cm (12-18) apart & thin seedlings to 10 cm (4) apart in the row. If you are having issues, it’s helpful to google the plant name & find many, many resources!! Woodsy Blooms & it’s owners cannot be held accountable for seeds that do not sprout as there are many factors that can affect this including improper sprouting conditions. Purple Vienna Kohlrabi Seed Pack - Heirloom Vegetable Seeds