Cabernet Onion Plants - Certified Organic

Pre-Orders Begin Jan

for Spring Planting

Cabernet Onion Plants - Certified Organic
Cabernet Onion Plants - Certified Organic
Cabernet Onion Plants - Certified Organic

Cabernet Onion Plants – Certified Organic

Price range: $13.98 through $34.98

Pre-Orders Open in January

Shipping begins in April.

See Our Seasonal Shipping Guide

Number of Plants
Price
25 Plants
$13.98

Out of stock

50 Plants
$24.98

Out of stock

75 Plants
$34.98

Out of stock

Items: 0

Total: $0.00

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Description

Cabernet Certified Organic Onion Plants

Cabernet Certified Organic Onions are our earliest red storage choice with beautiful coloring & a medium-large uniform size. They are vigorous & easy to grow. Cabernet onions store well & have stunning market appeal when bunched fresh. A long-intermediate day variety, Cabernet onions are well adapted for latitudes from Maine to Northern Texas.

  • ONION DETAILS:
    • Beautiful burgundy coloring with nice market appeal
    • Wonderful flavor when raw on a salad or in guacamole!
    • Medium-large globe shape
    • Vigorous & EASY to grow
    • Long-Intermediate day–  Produces well with 12 to 13 hours of sunlight
    • Adapted for latitudes from Maine to Northern Texas
    • Early Red Storage Onion- Store up to 4-6 months!
    • 85-100 days from transplant

Onion Plant Changes 2025

  • PLANT INFORMATION: Our Certified Organic Onion & Leek Plants are greenhouse-grown on small, family farms in Wisconsin. These live seedlings arrive in a container with soil, hardened off, and ready to plant. Our local organic onion growers prefer these onion starts because they are easy to grow with high yields.
  • SHIPPING INFORMATION: All Plants ship in April ONLY. Upon checkout, choose the April ship window that works best for you. Please note that ship dates may shift slightly due to Mother Nature. Plants may be cared for indoors until planting time, if needed.
  • REGIONAL ONION PLANTING: Our onions are well-adapted for mid-northern states, latitude range 35-45°. If your region requires earlier planting, consider our Naturally-Grown Onion Sets that begin shipping early March. If you require onion sets/plants earlier than March, we recommend finding a source closer to your region. For more information, see our Keene Garlic Seasonal Order Shipping Guide.

Basic Onion Growing Info

Sun Requirement: Onions require full sun – the more the better! Therefore, avoid planting next to crops that might shade your onions.

Soil Fertility: Adding compost or a balanced organic fertilizer is essential for growing healthy onions, especially if your soil fertility is low. For the best growth and yield, onions need fertilizer at planting time and additional side dressing throughout the growing season. Our Keene Garlic Fertilizer is great for all alliums!

Planting: Onions grow best in raised beds or raised rows at least 4″ high. Typically, onions can be planted as early as 4 to 6 weeks before the last estimated spring frost.

***For detailed instructions on how to grow onions from planting to fertilizing, all the way to harvest/storage, see this post on our blog: Keene Garlic Onion Planting Guide 

Onion, Shallot & Leek Plants ship April ONLY.

Keene Garlic Spring Products Shipping Information Graphic

***For more information about the shipping of our products, see the Keene Garlic Seasonal Order Shipping Guide.

About Us

Plant, Grow, Savor – trusted garden products

For nearly 20 years, Keene Garlic has focused on growing premium garlic and providing top‑quality seed so you can enjoy the satisfaction of cultivating your own. Each season, we partner with farms that follow organic practices to deliver trusted garden products. By working closely with experienced small family farms, we ensure every crop is grown with care, giving you the best foundation for success in your garden and kitchen.

From soil to table, our selection includes heirloom garlic, shallots, potatoes, onions, asparagus, and horseradish—all nurtured on sustainable family farms. To help your garden thrive, we also offer specialized blended organic fertilizers. And in the kitchen, our small-batch seasonings crafted from our homegrown, heirloom, organic garlic deliver bold, full flavor to every dish.

Choosing Keene Garlic means more than adding reliable, high-performing plants and products to your garden—it’s a commitment to supporting sustainable agriculture and generations of family farming.

Keene & Cindy

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