Yellow Ebenezer Onion Sets Yellow Ebenezer, 1 Lb. Approx 70-80 Bulbs Yellow Ebenezer Onion Sets Are One Of The Most Popular Onion Sets You Can Grow They are planted in early spring and in 4 to 5 weeks you will have green onions. If left to fully mature, you will have dry onions in late July or early August. Height: 6 - 12 inches. Spacing: 4 - 6 inches between plants, 12 - 24 inches between rows. Yield: 100 lbs. per 100 foot row.