Onion Seeds (Long Day) - White Sweet Spanish

Climate:

White Sweet Spanish onions are a long-day onion, meaning they need at least 14 hours of sunlight per day to form bulbs. They are best grown in USDA zones 5-9.

Soil:

White Sweet Spanish onions prefer well-drained soil with a pH of 6.0-7.0. If your soil is heavy clay, you can improve drainage by adding sand or compost.

Planting:

• To plant White Sweet Spanish onions from seed, sow the seeds 1/4 inch deep and 2 inches apart in rows 12-18 inches apart.
• If you live in a short-season climate, you can start the seeds indoors 6-8 weeks before the last frost date in your area. Transplant the seedlings outdoors after the last frost date, spacing them 12-18 inches apart in rows 12-18 inches apart.