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Garden fleece buying guide for a UK frost

Updated: 22 October 2026

The lettuce, the new potatoes or the olive by the door still has no cover, and a clear night is forecast. Settle the weight, the width you can peg, and whether you need a sheet or a jacket. Grams per square metre tell you more than a −5°C bullet. The RHS puts heavier fleece at about 2°C, and Gardeners' World puts 17 g just below freezing and 30 g around −3°C. The twelve amazon.co.uk listings are on the [Frost protection fleece](/hub/garden-supplies/frost-protection-fleece) comparison. Peter F. checked them on 19 October 2026, with no lab trial. A qualifying purchase can earn a commission at no extra cost to you.

The lettuce, the new potatoes or the olive by the door still has no cover, and a clear night is forecast. Settle the weight, the width you can peg, and whether you need a sheet or a jacket.

Our top picks

MIXC MIXC fleece jackets, two 120 cm × 180 cm

Best overall

MIXC MIXC fleece jackets, two 120 cm × 180 cm
8.5/10about £16.99
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Ambassador Ambassador 17 g/m² fleece, 20 m × 1 m

Best value

Ambassador Ambassador 17 g/m² fleece, 20 m × 1 m
8.3/10about £5.86
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OAHAO OAHAO 40 gsm fleece, 2 m × 5 m

Rank 3

OAHAO OAHAO 40 gsm fleece, 2 m × 5 m
8.3/10about £9.38
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On this page
  1. 1.Start with grams per square metre
  2. 2.Then pick the shape and the width
  3. 3.Read the conflicts before you add to basket
  4. 4.What you still have to do after it arrives

Start with grams per square metre

Start with the weight printed in the title. Light horticultural fleece in this set is 17–18 g/m²: Ambassador and GardenGloss are 17 g/m², and P. Wolf is stated at 18 gsm. Heavier cloth, in the sense Gardeners' World uses, is about 30 gsm: CHEOAR and Halatool both state that. OAHAO's title says 40 gsm on a 2 m × 5 m sheet. Lepat's title says 35 gsm and a bullet says 30 gsm, so you cannot treat those two numbers as one specification. Quickcrop warns against relying on a −6°C claim. The weight argument is 17 gsm versus 30 gsm horticultural fleece.

Then pick the shape and the width

A sheet is for a row or a raised bed you can peg. A jacket is for one shrub or one pot. Ambassador is 20 m × 1 m at £5.86, and a 1 m roll will not peg a 1.2 m bed with spare on both sides. GardenGloss is 1.5 m × 10 m. OAHAO and Lepat are both 2 m × 5 m. CHEOAR is 9 m × 3 m at about 30 gsm. Halatool's title says 3 m × 10 m. A 1.2 m bed is a 2 m sheet if both long edges go into the soil. Flankor is 100 cm × 120 cm, HAFRILY and MIXC are 120 cm × 180 cm, and DazSpirit is 60 cm × 80 cm. Sizes and zips are on the plant fleece jacket page.
MIXC MIXC fleece jackets, two 120 cm × 180 cm

Testsieger

MIXC MIXC fleece jackets, two 120 cm × 180 cm
8.5/10about £16.99
View offer

Read the conflicts before you add to basket

Read the title, the bullets and a recent review as three different sentences. Lepat prints 35 gsm in the title and 30 gsm in a bullet, at £7.79 for 2 m × 5 m. Halatool is £18.29, with a title of 3 m × 10 m at 30 gsm, while reviews describe other sizes. OAHAO is £9.38 at a stated 40 gsm, with at least one size complaint. A P. Wolf review says the stated 2 m cloth arrived folded to about 1 m, and at £20 that roll is 18 gsm, so the dearest sheet here is not the heaviest. WsiQxuc is 2 m × 10 m at £9.49 with no gsm, and a 10 cm dimension line contradicts the bullet. HAFRILY's waterproof bullet fights porous fleece: rain and air should pass.

What you still have to do after it arrives

Pegs, soil or staples hold a sheet. Bricks in an OAHAO review can tear a light layer on a taut edge. A jacket uses a drawstring, and a zip counts only when the listing and the reviews agree. Lay it with slack, and take it off when the day is mild or anything is in flower. On the worst night the RHS approach is a double layer. A ground frost can form on the surface while the air is still above 0°C. Fleece is not a heater, and it does not move the RHS planting-out calendar. The RHS says 17 g polypropylene may only last a year. Dry the sheet before you fold it. Pegging and storage are on how to use garden fleece.

Common questions

Should I buy 17 g or 30 g fleece?
Buy 17 g when you want a long, light cover for a night that is only just below freezing, and accept that the RHS treats that grade as short-lived. Buy a stated 30 gsm sheet, such as CHEOAR or Halatool, when you want the heavier band Gardeners' World puts at around −3°C. The RHS still frames heavier fleece as about 2°C of protection, not as a −6°C shield. OAHAO's title says 40 gsm if you want a heavier short sheet under £10.
How wide a roll do I need for a raised bed?
Measure the bed and add spare for every edge you will peg or bury. A 1.2 m bed is a job for about 2 m of cloth, which is OAHAO, Lepat or a cut from CHEOAR, not Ambassador's 1 m roll. GardenGloss at 1.5 m is a compromise on a narrow row and tight on a wide bed. Halatool's title says 3 m, though reviews describe other sizes, so do not cut the bed to a title you have not checked.
Is a jacket better than a sheet for one pot?
A jacket is the quicker cover for one pot or shrub that fits the bag, because the drawstring replaces a row of pegs. It is not warmer by default. None of Flankor, HAFRILY, MIXC or DazSpirit states a gsm, and none claims the 70 g weight Gardeners' World links to about −5°C. DazSpirit at 60 cm × 80 cm suits a small balcony pot. MIXC at 120 cm × 180 cm suits a larger shrub if the canopy fits.
Why do some listings say −5°C or −6°C?
Those figures are seller bullets, not an RHS test and not a result from this comparison. Gardeners' World puts 17 g at just below freezing and 30 g at around −3°C. Harrod's own 30 gsm page uses about −2°C to −3°C. Quickcrop tells gardeners not to rely on −6°C claims. Halatool still prints a −5°C to −6°C line beside 30 gsm. Quote the gsm and the source band, and leave the deeper minus figure as a claim you have not verified.
What if the title size and the reviews disagree?
Believe the clash and plan for the smaller description until the parcel proves otherwise. Halatool's title says 3 m × 10 m while reviews describe other sizes. A P. Wolf review says stated 2 m cloth arrived folded to about 1 m. OAHAO has a size complaint beside a 2 m × 5 m title. WsiQxuc's 10 cm line contradicts its 2 m × 10 m bullet, and it has no reviews to settle it.

Related pages

Best frost protection fleece

Frost protection fleece

17gsm vs 30gsm horticultural fleece for a UK frost

How to use garden fleece before the temperature falls

Plant fleece jacket size, drawstring and waterproof

Sources

Public UK sources for this comparison. Prices, stars and review counts are the amazon.co.uk listings in this set, captured 19 October 2026. Page updated 22 October 2026.

  1. RHS: fleece and crop covers (retrieved 22 October 2026)
  2. RHS: frost damage (retrieved 22 October 2026)
  3. RHS: fruit frost protection (retrieved 22 October 2026)
  4. Met Office: frost and ice (retrieved 22 October 2026)
  5. BBC Gardeners' World: garden fleece (retrieved 22 October 2026)
  6. Quickcrop: types of frost protection (retrieved 22 October 2026)
  7. Harrod Horticultural: 30 gsm garden fleece (retrieved 22 October 2026)