Onion 'Unifolium'

Allium cepa var. cepa

How to grow Onion 'Unifolium'

  • Full Sun

  • Medium

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Unifolium is thought of as very hardy, so this plant will tend to survive through freezing conditions. Planting Unifolium in loamy, clay and sandy soil with a ph of between 6.0 and 7.0 is ideal for as it does best in weakly acidic soil to neutral soil.

Growing Unifolium 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 Unifolium about 28 days before your last frost date.

Transplanting Unifolium

As Unifolium is very hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.

Harvesting Unifolium

This variety tends to be ready for harvesting by early autumn.