Sweet Spanish Colorado #6 Onion Seeds – 250mg for Planting, Large Mild Bulbs, Heirloom Variety, High Yield, Great for Slicing & Cooking

Grow Sweet Spanish Colorado #6 Onions with these 250mg seeds! This heirloom long-day variety produces large, globe-shaped yellow onions with mild, sweet flavor—perfect for slicing, grilling, and cooking. A high-yielding, storage-friendly onion ideal for northern gardens.

Large, Globe-Shaped Bulbs – Mild, sweet flavor perfect for slicing

Great for Grilling & Cooking – Adds sweetness to many dishes

High Yield & Long-Day Variety – Ideal for northern U.S. climates

Excellent Storage Onion – Keeps well when properly cured

250mg of Quality Seeds – Reliable germination for strong plants

Common Name: Sweet Spanish Onion Colorado #6

Scientific Name: Allium cepa

Color: Yellow skin, white flesh

Soil Type: Well-drained, fertile soil

Sunlight: Full sun

Watering: Moderate, consistent moisture

Growth Habit: Bulbing

Planting Season: Early spring

Days to Maturity: 110–120 days

Plant Type: Biennial (grown as annual)

Day-Length Type: Long-day

Type: Seeds

sweet spanish colorado #6 onion seeds, 250mg for planting large mild bulbs heirloom variety high yield great for slicing & cooking
Ships from: USA
Vendor: Folia Flora