Skip to product information
1 of 3

Onion Seeds (Long Day) - Yellow Sweet Spanish

Onion Seeds (Long Day) - Yellow Sweet Spanish

Size Price Savings Quantity
Packet $4.50
1 Ounce $13.99
1/4 Pound $36.99 34% Savings
1 Pound $93.99 ($5.87/ounce) 58% Savings
Select options
Select one or more options above to add to cart.
  • Deliciously sweet onion that stores well
  • Garden standard
  • Produces large bulbs with lasting flavor
  • Prefers full sun exposure
View full details



Life Cycle Annual
Planting Season Cool Season
Fruit Size Up to 1 pound
Growth Habit Bunching

Plant Characteristics Root Vegetable
Use Container Garden, Culinary
Growing Conditions Cold Tolerant, Outdoor
Harvest Advantages Canning, Pickling, Slicing
Plant Resistance Deer, Rabbit

About Onion Seeds (Long Day) - Yellow Sweet Spanish

Allium cepa

Seed Type Heirloom Seed
Plant Type Long Day

The Yellow Sweet Spanish is a large-yielding heirloom variety that produces large sweet onions - sometimes weighing in excess of a pound each! This delicious onion stores well, and produces a mild and pleasing taste that works perfectly in a wide array of dishes.

Planting Information

Planting Onion Seeds (Long Day) - Yellow Sweet Spanish

Planting Season Cool Season
Sowing Method Direct Sow, Start Indoors
Light Requirement Full Sun
Planting Depth 1/4 inch
Plant Spacing 2 to 6 inches
Water Needs Average
Hardiness Zones 2, 3, 4, 5, 6, 7, 8, 9
Days to Maturity 90 to 120 days
View our Onion Planting Guide to learn more.

Companions Plants

Companion Plants for Onion Seeds (Long Day) - Yellow Sweet Spanish