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Home>Vegetables>Seasonal Planting>Spring Planting Vegetables

Onion 'Hercules' (Spring Planting)Allium cepa

2 Options from £3.99

2 Reviews

Our best show variety

Introduced exclusively by T&M

375g of onion sets £3.99 Out of Stock
750g of onion setsSave £0.99 £7.98 £6.99 Out of Stock
Description How to Grow More Info Delivery Reviews

Spring planting.

A well named onion, producing large, almost round, well flavoured bulbs with attractive dark golden brown skins. Onion 'Hercules' has been noted for its outstanding performance in RHS assessment trials, winning an RHS Award of Garden Merit. An excellent early or mid season variety that stores well. Height: 45cm (18"). Spread: 15cm (6").

Companion planting: Try growing onions with mint to confuse and deter onion fly.

Useful links:

Companion Planting

Pack size info: 375g equates to approximately 75 onion sets.

Kitchen Garden


Full sun

60cm (23.6in)

10cm (3.9in)

375g Of Onion Sets (T46362)
750g Of Onion Sets (T46363C)

Flowering Months Harvest Months
Onion sets are undemanding and require only occasional watering during particularly dry periods. However, rows should be weeded regularly. Harvest onions in late June and July, a week or two after the leaves begin to turn yellow. Choose a dry day to loosen them from the ground with a fork. Leave them on the soil surface for a day or two until they have fully dried in the sun. Once dry, remove the top foliage and store them in a well ventilated, dry position. Bulbs can be stored for several months.
Plant onion sets in rows in any firm, well drained soil in full sun. Prepare the planting area several weeks in advance by incorporating some well rotted garden compost to improve drainage and soil fertility. Avoid planting onions on freshly manured soil. On particularly wet ground, try growing onion sets in raised beds. When growing onions from sets, plant the bulbs so that the tip of bulb is just protruding through the soil surface. Leave a space of 10cm (4") between each bulb, and 30cm (12") between each row.


Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes etc are delivered at the appropriate time for planting and will be stated on the product page or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £1.95.

Orders which include any other products will incur a delivery charge of £4.95.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.90 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details and details of any surcharges that may apply to certain destinations.

Satisfaction Guaranteed

For your complete peace of mind, our Home and Garden products may be returned to us within 30 days of purchase for a refund of the purchase price. Items must be returned unused, at your cost and in mint condition. All items carry a manufacturer's 12 month defects warranty.


10% poor quality 2017-02-19

I picked these because I wanted a specific variety. Quite a few sprouted in the bag before they arrived and so those bulbs are flat. Garden centre next year where I can see what I am buying.

T&M replied on 2017-02-19: Thank you for your review. I am sorry to learn of your disappointment with your purchase. At your earliest convenience please contact our Customer Care Department at, one of our agents will be more than happy to look into this further for you.

Sets not great quality 2015-01-23

I normally buy my onion sets from the local DIY store but this time wanted to pick a variety I thought would produce a better onion. Despite these costing significantly more I thought I'd give them a go. I was disappointed to find 15 out of the 75 sets were really mouldy on arrival. It's obviously a while until these will be harvested so I can't comment on performance yet but hoping the rest of them grow well.

T&M replied on 2015-01-23: Thank you for your review. I am very sorry to hear of your disappointment with your recent purchase. If you would like to contact our Customer care team on, one of our agents will be happy to investigate this matter further.