How to Grow Onion
How to Sow Onion
Seed Planting Depth: 1/4" - 1/2"
Germination Optimum Soil Temperature: 65-85 degrees
Days to Germinate: 4-5 days
Sow Seeds Indoors: 10 week(s) before last frost
Sow Seeds Outdoors: 6 week(s) before last frost
How to Grow Onion
Plant Seedlings Outside: 4 week(s) before last frost
Spacing Between Plants: 3-4"
Spacing Between Rows: 12"
Optimum Soil Temperature for Growing: 55-75 degrees
pH Range: 6.0-7.5
Water Requirements: Medium & Even
Good Companions: Beet, Cabbage Family, Carrot, Kohlrabi, Early Lettuce, Parsnip, Pepper, Spinach, Strawberry, Tomato
Bad Companions: Asparagus, Bean, Pea, Sage
Seed Longevity: 1 year
Other Planting Guides
