Onion – White Evergreen Nebuka

Evergreen White Bunching Nebuka produces thin, narrow, white bulbs of 5 cm while the foliage can be 30 to 40 cm long. It is slow to set seed and has good resistance to disease and cold, making it suitable for late season cultivation. It can be sown in spring or summer, harvested early (after 60 days) or left in the ground to grow into a larger bulb.

Growing tips

Conditions of germination:

depth of sowing: 1 cm

optimal temperature for germination: 18 to 29ºC

time for germination: 5 to 12 days

When to sow:

indoor sowing 8 to 10 weeks before the last frost date in your area OR

direct seeding when the soil can be worked in the spring for green onions

Sowing technique: in a row

Inside the same hole, sow 3 to 5 seeds spaced 1 to 2 cm apart; when the seeds have germinated and the seedlings have reached a height of 5 cm, keep all the plants if space is available or keep only the best plants.

for indoor seedlings: transplant into individual containers while waiting for transplanting in the garden OR

for direct seedlings: transplant to their final location in the garden

Transplanting outdoors (for seedlings started indoors):

When all risk of frost is removed

Distance in the garden:

between plants: 5 to 10 cm

between rows: 30 cm

Soil: rich and well drained

Water: regular watering

Exposure: full sun

Days to harvest (after transplanting): 60 to 110 days

QUICK STATS

Number of seeds: ±300

Difficulty: Easy

Type: Heirloom / Open pollinated

Lifecycle:Biennial

Additional information

Weight            2 g

Difficulty         

Easy

Sowing          

Direct, Indoor

Lifecycle        

Biennial

Root cellar     

No

Sowing season        

Winter, Spring, Summer