When Can I Harvest Onions?

Onions are a versatile vegetable that can be used in a variety of dishes. They are relatively easy to grow, but it is important to know when to harvest them in order to get the best flavor and texture.

General Rule of Thumb:

Onions are generally ready to harvest when the tops of the plants start to turn brown and die back. This usually happens around 100-120 days after planting.

Specific Factors to Consider:

  • Variety: Different varieties of onions have different maturity dates. Check the seed packet or plant tag for specific information.
  • Climate: Onions grow best in cool, dry climates. In warmer climates, they may need to be harvested sooner.
  • Soil: Onions prefer well-drained soil with a pH of 6.0-6.5. Onions grown in poor soil may need to be harvested later.

How to Harvest Onions:

  1. Use a sharp knife or spade to cut the onion tops off about 1 inch above the bulb.
  2. Leave the onions in the ground for a few days to cure. This will help them develop their full flavor and reduce storage rot.
  3. Store onions in a cool, dry place with good ventilation.

Tips:

  • Onions can be harvested a bit early if you need them immediately. However, they will not store as well.
  • If you over-harvest onions, they may become spongy or have a bitter taste.
  • Onions can be harvested in the fall and stored for several months.
  1. When should I plant onions? In the early spring or fall.
  2. How often should I water onions? Once or twice a week.
  3. What is the best way to store onions? In a cool, dry place with good ventilation.
  4. Can I eat onion greens? Yes, onion greens are edible and can be used in salads, soups, and other dishes.
  5. What is the difference between yellow, white, and red onions? Yellow onions have a strong flavor, white onions have a mild flavor, and red onions have a slightly sweet flavor.
  • Miracle-Gro Performance Organics All Purpose Plant Nutrition
  • Scotts Turf Builder Lawn Food
  • Jobe's Organics All-Purpose Fertilizer
  • Burpee Sweet Onion Seeds
  • High Mowing Organic Vermont Compost

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