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When to Plant Green Onions?
When to Plant Green Onions?. Green onions are a cool-season vegetable sometimes called scallions. They are often eaten raw along with a meal, chopped in salads and are used in stirfries. Green onions grow well in a temperate climate. They are a wise choice for a beginning gardener because they are easy to grow. Knowing when and where to plant them...
Green onions are a cool-season vegetable sometimes called scallions. They are often eaten raw along with a meal, chopped in salads and are used in stirfries. Green onions grow well in a temperate climate. They are a wise choice for a beginning gardener because they are easy to grow. Knowing when and where to plant them ensures the best harvest.
Planting Time and Water Needs
Plant green onion sets as soon as the soil can be tilled, typically in March or April in many regions of the country. Two to four weeks before the last frost is an appropriate planting time. They grow best in soil kept consistently moist but not soggy. Water the plants once a week during dry spells. Mulch helps control weeds and maintains the moisture level.
Planting Depth and Spacing
Plant the large onion sets at a depth of 1 inch. Allow about 12 to 18 inches between rows. Space large bulbs approximately 4 inches from each other. Two inches apart are all that is necessary for smaller bulbs. Some people prefer smaller bulbs for eating the green onions raw.
Choosing Onions to Plant
Choose the variety of green onion based where you live. Long-day onions are good for the Northern portion of the United States. These varieties include White and Yellow Sweet Spanish onions and the Walla Walla onion. Short-day varieties grow well in the Southern states. This variety also grows well in the North if planted early in the season. Short-day varieties include the Texas 1015Y Supersweet, Vidalia Sweet and Yellow and White Bermuda onions.
Soil and Sunlight Needs in Planting Areas
Green onions thrive in full sunlight. They require a well-drained soil rich in organic matter. Green onions grow in soils with slightly acidic pH. The pH level recommended by the Cornell University website is 6.2 to 6.8. All sections above the root are edible. The green onions are ready for harvest once they are 6 inches tall or taller. Larger and older green onions are stronger in flavor, so pick them early if you desire a mild flavor.
