http://durgan.org/2016/April%202016/20%20April%202016%20Planting%20Onions/HTML/ 20 April 2016 Planting Onions About 150 Spanish Onions were planted in an area of 4 feet by 8 feet. The sets were planted at 5 inch centers. The soil was firmed around the bulbs using a hand press. When the plants get established the are will be mulched with wood chips.
