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Cirrus Onion

Cirrus Hybrid Onion F1

$499
  • Cirrus Onion – A hybrid, short-day onion with consistently-uniform yields of medium white onions.
  • Produces slightly-flattened, beautiful white bulbs.
  • 125 days to maturity.
  • Allium cepa.
Description

Be sure to check out our Onion Growing Guide for helpful tips & tricks on how to successfully grow onions in your garden. 

Cirrus Onion is a hybrid, short-day variety with consistent yields of high-quality white onions. This variety produces medium-sized, slightly-flattened onions. Plants produce a significant amount of foliage which may require a wider plant spacing. These onions have an attractive appearance and are great for slicing and using raw for topping your favorite grilled treats.

Growing Information

Cirrus Onion can be direct-seeded or transplanted, although we recommend transplanting. For direct-seeding, plant Seeds 2″ apart along the row with a row spacing of 24″. Once seedlings emerge, thin seedlings to a 6″ plant spacing along the row. Sterling Onion Seeds can be planted with our Hoss Garden Seeder. We recommend using a #1 seed plate and modifying the hole size slightly to accommodate the onion variety being planted. For denser plantings, more holes may need to be drilled to accommodate a thicker spacing.

For transplanting, plant one seed per cell in our heavy-duty seed starting trays. Once the green stems reach 6-8″ in length and/or they can be easily pulled from the seed trays, the transplants are ready to go in the ground. Transplant onions 4-6″ apart along the row with a row spacing of 24″. If drip irrigation is used, onions may be planted on double rows with drip irrigation in the middle. We suggest burying the drip tape 3-4″ deep and planting on both sides of the tape.

Cirrus Onion Planting Information

Planting Method: transplant

When to Plant: early fall

Planting Depth: 1/4″

Seed Spacing: 4″

Row Spacing: 12-18″

Days to Maturity: 125

Disease Tolerance: Pink Root

Treatment: Untreated

Additional Information

Onion Planting Guide

Select an onion variety based on your geographical location. In many cases, intermediate-day varieties can be grown in southern long-day regions and northern short-day regions.

Short-day Onions

Plant in fall and overwinter for a spring harvest

Start the bulbing process when day length reaches 10-12 hours

Intermediate-day Onions

Plant in late winter for an early summer harvest

Start the bulbing process when day length reaches 12-14 hours

Long-day Onions

Plant in spring for a mid-summer harvest

Start the bulbing process when day length reaches 14-16 hours