Onion Senshyu Yellow

£0.99

One of the best Japanese over wintering varieties available.   A very reliable heavy yielding main crop variety producing straw coloured semi-globe shaped bulbs of high quality by early July.

  • Size: 4.5gm

218 in stock

SKU: ONN11 Categories: , ,

Onion Senshyu Yellow

Onion Senshyu Yellow. One of the best Japanese over wintering varieties available.   A very reliable heavy yielding main crop variety producing straw coloured semi-globe shaped bulbs of high quality by early July.  This variety is bred specifically for autumn sowing to mature the following July and is not suitable for mid spring sowings.  A ideal variety to fill the gap before the main winter storage varieties mature.

Cultivation advice Onion Senshyu Yellow

Days to Germination: 10-12

Planting Depth: 1/2″

Spacing, Row:  18″

Spacing, Plant: 5 inches

  • Best sown in autumn direct to seed beds or in trays 1/2″deep for transplanting prior to winter.
  • Not suitable for spring sowings / with exception of late winter Jan / Feb under-cover as a secondary option..
  • If transplanting bare root seedlings from drills in drier weather, plants can be clipped to three inches to reduce stress whilst they establish.
  • If grown in plugs transplant to final growing position by early Oct.
  • Thin to 5 inches apart when plants are 6 inches tall.
  • Harvest by pulling bulbs when tops are brown and dry. Can be harvested early whilst green as these do not store well into winter.
  • Fertile, moist soil enriched with compost is best for onion production.
  • Onions are claimed to ward off many insect pests around lettuce, cabbage and carrots.