Bunching onion 'Ishikuro'

Allium fistulosum

How to grow Bunching onion 'Ishikuro'

  • Full Sun

  • Medium

Grow until spring onion size

Plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Ishikuro is thought of as hardy, so Ishikuro will tend to go dormant or grow slowly over the winter months. Ensure your soil is loamy and sandy and has a ph of between 6.0 and 7.0 as Bunching onion is a weakly acidic soil to neutral soil loving plant.

Growing Ishikuro from seed

Sow direct spacing 10 cm in the autumn for a winter crop or in the spring for summer use. Or four or five seeds per module, to be planted out at 10 cm intervals

Look to ensure a distance 3.9 inches (10.0 cm) between seeds when sowing - bury at a depth of at least 0.23 inches (0.6 cm) deep. Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.

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

Transplanting Ishikuro

Plant out from modules spacing every 10cm

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

Harvesting Ishikuro

Harvest once the onion reaches spring onion size

This variety tends to be ready for harvesting by mid summer.

Other Names for Bunching onion 'Ishikuro'

Spring Onion