Sweet Onion Planting Guide
Quick Facts About Sweet Onion
Sweet Onion produces excellent yields of good quality bunching onions. It has dark green foliage and long white stalks that hold up well after harvest. Sweet Onions are often used for culinary purposes in soups, garnishes, and they are considered to be one of the best onions for salads.
Planting Time
Start directly outdoors after danger of frost has passed, or in the fall and winter.
Planting Location
Plant in full sun with fertile, well-drained soil.
How to Plant Sweet Onion
- Sow seeds directly into the garden at a depth of 1/4 inch after the risk of frost has passed.
- Space plants 12 - 18 inches apart in garden.
Care And Maintenance
- Keep weeds under control during the growing season. Weeds compete with plants for water, space and nutrients, so control them by either cultivating often or use a mulch to prevent their seeds from germinating.
- Mulches play a vital role in preserving soil moisture and ensuring consistent soil temperatures. When it comes to annuals, using organic mulch made from shredded leaves not only enhances the appearance of the bed but also enriches the soil as it decomposes over time. Remember to keep mulch away from the plant stems to avoid potential rot issues.
- Water occasionally, when the top inch of the soil becomes dry. Do not overwater, as they don't do well at taking up water.
- Young plants can be harvested in 60 days from planting. Mature plants in 120 days.
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