Westland 30L No.3 John Innes Mature Plant Compost
Product details checked 5 September 2026 · price checked live
Check price on Amazon →Overview
We track Westland 30L No.3 John Innes Mature Plant Compost alongside 26 other plants, seeds & bulbs products, comparing it on rating, how many people have rated it and what it currently costs. According to the listing: Nurtures and sustains a longer plant life. Those are the seller's own claims rather than our testing, so treat them as a starting point. On Amazon it holds 4.5 out of 5 from 952 ratings. What that score is worth next to its rivals is set out below.
- Brand
- Westland
- Amazon rating
- 4.5 / 5 from 952 ratings
- vs Plants, Seeds & Bulbs
- 0.3 above the category median of 4.2
- Rank in category
- 6 of 27 rated plants, seeds & bulbs we track
- Price position
- Mid-priced (category spans £3.25 to £35.49)
- How proven
- Moderate review volume
Price range as of · details
How it compares in Plants, Seeds & Bulbs
Across the 27 rated plants, seeds & bulbs products we track, the typical score is 4.2 out of 5. This one sits at 4.5, which puts it in the upper quarter of the category rather than level with it. Where almost everything is rated well, the gap at the top is small in points and large in practice.
It carries 952 ratings against a category median of 1,644. That is enough of a base to take the score seriously without treating it as settled.
On price it sits in the middle third of a category running from £3.25 to £35.49, where the midpoint is about £10.75. That is the part of the range where most sensible buys sit, neither cutting corners nor paying for the name.
Category prices as of · details
Worked out from the 27 plants, seeds & bulbs products in our catalogue, not from the brand's own claims. How we rank →
Key features, as the manufacturer lists them
Taken from the product listing via Amazon's product API. These are the seller's claims, not our test results.
- Nurtures and sustains a longer plant life
- Feeds for 5 weeks
- Rich in nutrients for hungry plants
