United States Edition

Onion 'Gunnison'

Allium cepa var. cepa

Gunnison is a popular variety of Onion, which belongs to the Allium genus (Allium cepa var. cepa 'Gunnison'). Gunnison is a hybrid variety.

Combines size, earliness, and extra-long storage. Medium-large, blocky round onions have flawless skin and small necks which dry down quickly. Bigger and slightly earlier than Copra, Gunnison stores at least as long. Resistant to Pink root. Adaptation: 38°-55° latitude.

This variety is a Vegetable that typically grows as an Perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more. Gunnison is known for growing to a height of approximately 45.0 cm (that's 1.46 feet in imperial).

As Gunnison Onion is a low maintanence plant, it is great for beginner gardeners and those that like gardens that don't need much overseeing.

This plant info is provided by the myfolia gardener's wiki. All details about Onion 'Gunnison' have been kindly provided by our members.

How to grow Onion 'Gunnison'

  • Full Sun

  • Medium

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Gunnison is thought of as very hardy, so this plant will tend to survive through freezing conditions. The USDA Hardiness Zones typically associated with Gunnison are Zone 3 and Zone 10. Ensure your soil is loamy, clay and sandy and has a ph of between 6.0 and 7.0 as Onion is a weakly acidic soil to neutral soil loving plant.

Growing Gunnison from seed

Ensure a distance of 1.95 inches (5.0 cm) between seeds when sowing - look to sow at a depth of approximately 0.98 inches (2.5 cm). Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.

By our calculations, you should look at sowing Gunnison about 28 days before your last frost date.

Transplanting Gunnison

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Gunnison is a very hardy plant.

Harvesting Gunnison

Onion 'Gunnison' information

How long does Gunnison take to grow?

These estimates for how long Onion 'Gunnison' takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

When should I sow Gunnison?

Folia's when to plant Onion 'Gunnison' estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!

Other Names for Onion 'Gunnison'

Prince, Hard storage, Yellow, Bulb


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