Seed Swaps

Onion 'Copra'

Allium cepa var. cepa

  • 21 plantings
  • 2 available for swap
  • 3 wanted
  • 14 stashed

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

Great storage onion. Adapted to long-day areas. Medium-sized, round, dark-yellow-skinned onion with ivory flesh. Thin necks dry quickly. High in sugar and moderately pungent.

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. Copra is known for growing to a height of approximately 45.0 cm (that's 1.46 feet in imperial).

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

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

How to grow Copra

  • Full Sun

  • Medium

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Copra is thought of as very hardy, so this plant will tend to survive through freezing conditions. The USDA Hardiness Zones typically associated with Copra 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 Copra from seed

Try to aim for a seed spacing of at least 1.95 inches (5.0 cm) and sow at a depth of around 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 Copra about 28 days before your last frost date.

Transplanting Copra

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

Harvesting Copra

Copra Patent Information

Breeder and vendor: Bejo. Released in 1989. 1

Other Names for Onion 'Copra'

Copra Storage, Copra Hybrid, Yellow Copra