Last updated: 16/10/2022

How we pick our products

23Products analysed

44Hours spent

20Evaluated articles

213User reviews

Onion Seeds are a type of seed used to grow onions. They can be purchased from NPC vendors or crafted using the Seed Maker Machine.

The best Onion Seeds in the UK: Our selection

Onion Seeds: Frequently asked questions

What types of Onion Seeds are there and what determines a good product?

There are two types of onion seeds, short day and long day. Short-day onions need to be planted in the spring when there is still some daylight left after sunset (about 10 hours). Long-day onions can be planted in late summer or early fall when it starts getting dark earlier than 10 hours a night. Most gardeners plant both kinds because they like having fresh green onions all year round.

The Onion Seeds should be fresh and free from any kind of impurities. They should also have a good shelf life, which is usually indicated on the packet or label.

Who should use a Onion Seeds?

Anyone who wants to improve their health, lose weight and feel great.

Based on what criteria should you buy a Onion Seeds?

The first criterion is the Onion Seeds cost. You should compare prices before buying it. A second important factor is its durability and reliability. At last, pay attention to comments from previous customers.

There are many things you need to check out when comparing Onion Seeds. The cost is one of the most important factors and should not be overlooked no matter how good the other features might seem. Another key factor is whether or not customer support is available, both during setup and after regular usage. You also want to make sure that any guarantees offered hold up in real life; otherwise you will have wasted your money completely.

What are the advantages and disadvantages of a Onion Seeds?


Onion Seeds are a great source of dietary fiber, vitamin C and potassium. They also contain calcium, iron and magnesium.


None that I can think of.

Shopping Guide: Everything you need to know

Which brands and manufacturers are represented in our review?

In our review, we present products from various manufacturers and suppliers. The list includes products from the following brands and manufacturers, among others:

  • Mr Fothergill?s Seeds Ltd
  • Mr Fothergills
  • Premier Seeds Direct

What is the price range of the featured products?

The cheapest Onion Seeds in our review costs around 1 pounds and is ideal for customers who are conscious about their money. However, those who are willing to spend more money for better quality can also spend around 3 pounds for one of the more expensive products.