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Best chilli seeds for a UK kitchen

Updated: 21 October 2026

You want one packet for salsa, stuffing, or a weeknight chilli, and the first results are often a superhot. In this amazon.co.uk set the best chilli seeds for that job are not the 10/10 rows. The kitchen pick is the JustSeed jalapeño, 60 seeds at £4.35, with 4.2 stars from 61 reviews on the 19 October 2026 capture. Skip it if the household wanted a Scotch bonnet or a million-Scoville pod. The full table is the [Chili seeds comparison](/hub/herb-seeds/chili-seeds). Peter F. matched the listings and public UK heat bands. He did not taste the fruit or run a germination trial. A qualifying purchase can earn a commission at no extra cost to you.

You want one packet for salsa, stuffing, or a weeknight chilli, and the first results are often a superhot. In this amazon.co.uk set the best chilli seeds for that job are not the 10/10 rows.

Our top picks

PRIMERASEMILLAS.COM Piri Piri

Best overall

PRIMERASEMILLAS.COM Piri Piri
7.4/10about £3.45
View offer
SPECIALITYSEEDS.COM Scotch Bonnet Red

Alternative

SPECIALITYSEEDS.COM Scotch Bonnet Red
6.6/10about £3.45
View offer
JustSeed JustSeed Jalapeno

Rank 3

JustSeed JustSeed Jalapeno
8.2/10about £4.35
View offer
On this page
  1. 1.The kitchen job, not the hottest packet
  2. 2.The pick in this set
  3. 3.Who should skip it
  4. 4.What this pick does not prove

The kitchen job, not the hottest packet

Everyday heat is the job. Which? puts jalapeños around 2,500–10,000 Scoville heat units and a habanero around 100,000–350,000. Seller figures of 1.2–2 million on the Reaper and Scorpion rows are a different product. Thai Dragon’s about 800,000 bullet describes Bhut Jolokia Chocolate. Jamaican Red says both very spicy and mild. Notes that use jalapeño for salsa and Scotch bonnet for a warm greenhouse describe types, not these ASINs. Dobies has written 2,500–8,000 for salsa in its own catalogue. That is not the JustSeed packet. One snapshot ranked this jalapeño 142 in Vegetable Seeds. On 20 October 2026 the Garden rank was much weaker. Rank is not a trial.

The pick in this set

JustSeed Jalapeno, ASIN B00IGCCMP0, is the only row with 60 seeds and a review sample in the dozens: £4.35, green and red, 4.2 from 61. Heat, habit, and a germination window are absent from the comparison fields. The listing still showed £4.35 and 4.2 from 61 on 20 October 2026. Its description says medium heat, sow from January, and up to 35 days at 30°C. The RHS uses about 21°C, and Which? a minimum of 18°C. Do not merge those with 30°C. Reviews include six of six sown, three of 24, and a flat grower who got two small harvests and blamed pollination. It is not a guaranteed tray.
PRIMERASEMILLAS.COM Piri Piri

Testsieger

PRIMERASEMILLAS.COM Piri Piri
7.4/10about £3.45
View offer

Who should skip it

If medium heat is too mild, take Scotch Bonnet Red, not a Reaper. It is £3.45 for 10 seeds, 4.4 from 4 reviews, with no written comments, a seller figure around 300,000, and medium bushes for Caribbean cooking. That figure sits in the habanero band Which? quotes. Piri Piri is £3.45, 4.5 from 16, over 100,000, on a very tall plant, and the title also names Tabasco. One text says only a few seeds sprouted. It suits that taller plant, not everyday salsa. A superhot is a handling hazard. The RHS harvests Carolina Reaper from mid-August to October. The jalapeño listing states no height, so a windowsill fit is a guess.

What this pick does not prove

The pick is the best match in this twelve for everyday cooking, on seed count and on the only large review file. It is not the best jalapeño in Britain and not a germination guarantee. The live page shows Organic, with Organic Registration AP23164 and Defra Registered 7291. No certificate is stored here, so the packet is not called organic. A 12 month Real Seed Guarantee sits on other rows, not this one. The 30°C note is the seller’s sowing line, not the RHS method. £4.35 is the shelf price in this file, not a promise it stays the cheapest UK jalapeño.

Common questions

What are the best chilli seeds to grow in the UK if I want to cook with them?
In this twelve, for everyday heat, the pick is JustSeed Jalapeno: 60 seeds at £4.35 and 4.2 from 61 amazon.co.uk reviews on 19 October 2026. The listing does not print a Scoville figure. Which? puts jalapeños as a type around 2,500–10,000, which is not a test of this packet. Skip it if you wanted a Scotch bonnet or a superhot.
Is a jalapeño hot enough for salsa?
For a UK salsa you will eat with other people, a jalapeño is the usual starting heat, and guides use it for salsa, pickling, and roasting. This packet's own description says medium heat and green maturing to red. It will not stand in for a Scotch bonnet. If the table needs that hotter pod, this pick is the wrong packet.
Why not the cheaper 10-seed packets?
£3.45 is a cheaper packet and a dearer seed, about 34.5p against about 7p. Most of those packets also have four reviews, two reviews, or none. Piri Piri at 4.5 from 16 is the exception at that price, and its seller heat is over 100,000 on a tall plant. Cheaper is the right buy only when that hotter, taller plant is what you wanted.
How hot is the JustSeed jalapeño on the listing?
The comparison fields store no Scoville figure and no numeric heat band. The live product description says a medium heat rating. Use the Which? range of about 2,500–10,000 only as a description of jalapeños in general. The RHS range of 2,500–8,000 is a different published band, not a second test of this ASIN.
When should I buy Scotch bonnet seeds instead?
Buy Scotch Bonnet Red in this set when the dish is Caribbean heat and you accept 10 seeds, a seller figure around 300,000, and 4.4 from 4 reviews with no written comments. Do not buy it as a milder backup to the jalapeño. The seller line is far hotter.
Can I use a Carolina Reaper packet for everyday cooking?
The seller figures here are around 2,000,000, against a jalapeño type band in the thousands. One pod in a family pan is a handling problem, not a seasoning. The RHS harvest runs from mid-August to October, so a late sowing also misses the fruit. Use the jalapeño for everyday cooking.
Does a best-seller rank mean the seeds were trialled?
No. The Vegetable Seeds rank in one snapshot was 142, and a view the next day had moved. Amazon rank is a sales position, not a germination trial and not a taste test. The 61 reviews are the evidence you can read, and they disagree with each other on how many seeds came up.

Related pages

Chilli seeds buying guide

How to sow chilli seeds

Carolina Reaper seeds

Chili seeds

Growing chillies indoors in the UK on a windowsill

Sources

Public UK sources named below. amazon.co.uk prices, stars and review counts on these twelve listings were read on 19 October 2026. Page updated 21 October 2026.

  1. RHS: grow your own chilli pepper (retrieved 19 October 2026)
  2. RHS: Capsicum chinense Carolina Reaper (retrieved 19 October 2026)
  3. Kew: chillies (retrieved 19 October 2026)
  4. Which?: how to grow chillies (retrieved 19 October 2026)
  5. GOV.UK: plants that need a plant passport in Great Britain (retrieved 19 October 2026)
  6. GOV.UK: issuing plant passports in Great Britain (retrieved 19 October 2026)
  7. The Seed Marketing Regulations 2011, Schedule 3 (retrieved 19 October 2026)
  8. Guinness World Records archive: hottest chilli, 2017 (retrieved 19 October 2026)