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Red Onion Sets

Red Onion Sets 'Red Karmen' (500g)

Out of Stock / Season
RRP: 3.49
Price: 2.99
You save: €0.50 (14%)
Bulk Discounts
Quantity 3+
Price 1.79

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Red Onion Sets - Description

  • Red Onion Sets
  • Variety: Red Karmen
  • Volume: 500 grams (Approx. 130 - 150 Sets)
  • Colour: Red Skinned & Flesh
  • Bulb Size: 14/21mm
  • Produces Medium Sized, Globe Shaped Bulbs
  • Stores Well
  • Hardy Onion

Red Onion Sets - Sowing Instructions

  • Sow in mid March or earlier under cover
  • Location: Full sun, well drained soil
  • Prepare by adding manure the previous Autumn
  • Space distance: Rows 30cm apart with sets spaced 20cm apart in the rows
  • Planting Depth: Place sets, pointed end up, just at soil surface
  • Lift once foliage turns yellow; water crop & lift slightly with garden fork
  • Harvest crop 2 weeks later in sunny weather

Red Onion Sets - Uses

  • Suitable for fresh market
  • Bunching or normal large onions
  • Perfect for cooking

Red Onion Sets - Advantages

  • No thinning required
  • Less likely to bolt than if grown from seed
  • Low cost
  • More reliable than if grown from seed
  • Less likely to be attacked by the onion fly than those grown from seed


  • Sowing Instructions
  • Crop Maintenance
  • How to Harvest
  • Storage
  • Pests & Diseases

Sowing Instructions

  • Sowing time: From mid March, assuming frost has passed
  • Sowing Location: Sow direct into rows
  • Sow 1 set every 10cm
  • Alternatively sow them every 5cm & thin later
  • The closer you sow your onion sets the smaller your harvested onions will be
  • Prepare soil prior to sowing, dig & manure your soil the previous autumn if possible
  • A sunny site with good drainage is ideal
  • To sow simply push the set into the soil
  • Sowing depth: onion set's tip should be just below soil surface
  • Space rows 15cm apart

Crop Maintenance

  • Keep moist
  • Weed regularly during summer months
  • Check sets early to see if birds have lifted them from the soil
  • If so, simply re sow them
  • Apply a general fertilizer if needed and rake the surface on a dry day
  • If your soil is a heavy clay it is recommended that you improve you soils drainage
  • Alternatively place a small amount of horticultural grit beneath seeds prior to sowing


  • Harvest when the bulbs have swollen and when the stems turns yellow and falls over
  • Using a garden fork, slightly lift the onions in their position. lift to snap the onion's roots preventing further growth
  • Leave for 14 days and carefully remove on a dry day
  • You can speed up the process by bending and tieing the stems once they start to yellow
  • On a dry day lift your onions and place them out in the sun
  • Depending on the size of your onions and weather conditions it can take up to 4 weeks for the onions to dry


  • Consume any damaged bulbs first
  • Short term storage in the fridge
  • Can be stored for up to 7 months in a cool dry place
  • You can also tie up your bulbs using their own stems or some cord

Pests & Diseases

  • Bird attack is most likely the biggest threat to onions
  • Netting should be used to protect against birds that pull up roots
  • Other pests and diseases include: Onion fly, root fly, bolting and downy mildew


Onion Sets

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Great quality and size of sets are consistent, fast delivery also

Note: We don't ship plants on Fridays due to the extended period they would remain without light & water

Here at we aim to provide a fast, reliable & low cost delivery service

Shipping Options & Rates

  • Standard Courier Delivery With Fastway (2-4 Working Days)
    • Cost is €4.95 on Orders Below €75
    • Free Delivery on Orders Above €75
    • Rep. of Ireland & Northern Ireland Only
  • Express Courier Delivery With Fastway (1-2 Working Days)
    • Cost is around €5 extra for express delivery
    • This service guarantees that any order placed before 4pm will ship from our depot the same day on the next day delivery service *
    • Rep. of Ireland & Northern Ireland Only
  • Express Delivery With DPD (1-2 Working Days)
    • Cost is €3 extra
    • This service guarantees that any order placed before 4pm will ship from our depot the same day on the next day delivery service *
    • Rep. of Ireland & Northern Ireland Only
    • This services comes with text alerts and timed delivery slots which the customer can change to suit themselves
  • 'Seed' Postal Delivery Option ***
    • Cost is €2 - Packet of Seeds ONLY Orders
    • Note: Does Not Apply to Seed Potatoes, Bulbs or Sets ***
    • Rep. of Ireland & Northern Ireland Only
  • Great Britain
    • Cost is €10
    • UK shipping fee covers parcels up to a total weight of 20Kg
  • Western Europe
    • Note: There is no free delivery for Western Europe Deliveries

Bulk Bags & Large Item Pallet Deliveries

  • Bulk bags & large orders are shipped via pallet couriers on a rigid lorry
  • Delivery is to kerbside only
  • If road access to your site is tight, then please advise us before purchasing
  • Please Note: We cannot guarantee next day delivery on pallet deliveries
  • Also, we cannot guarantee delivery on a specific day (Please allow 1-3 days for delivery)
  • It's always best to order well in advance to avoid disappointment
  • Cancellation of pallets when items are already in transit will incur a 40 euro per pallet cancellation fee (To cover return delivery costs)
  • Where pallet delivery can not be made due to site access, a 40 euro per pallet cancellation fee will apply (To cover return delivery costs)

International Delivery Prices & Times

  • Please note max weights below, heavier orders may require additional payment
  • We will contact you to discuss, if max weight of order exceeded


  • The shipping fee is fixed for an order, regardless of the number of items bought
  • All courier orders require signed proof of delivery & the customer must be contactable by phone
  • We do not offer a weekend delivery service (Mon-Fri Only excl. Bank Holidays)
  • * Our courier achieves a 98% success rate on next day deliveries
  • ** Seed postal option applies to seed ONLY orders & is available in all 32 counties of Ireland
  • *** Does not apply to seed potatoes, bulbs or sets
Orders over €75, get
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