Jim Schrefler, OSU Area Horticulture Specialist, discusses the short-day-length onion and the intermediate-day-length onion and how to tell when the onion is ready to harvest.

#3508 (2008)
*This video is from the Oklahoma Gardening Classics Vault, please check with Oklahoma Gardening and your local OSU county Extension office for the most up-to-date horticulture information.