1 / 7Hardys John Innes Seed Compost, 8 L
Hardys John Innes Seed Compost is an 8-litre sowing mix with organic worm castings, described as suitable for seeds and cuttings indoors or outdoors. Its ready-to-use format and claimed six-week feed may suit small-scale sowing, though the listing does not establish performance independently.
At a glance
- The listing describes a loam-based mix with organic worm castings and porous grit.
- Presented as ready to use for seeds and cuttings, with indoor and outdoor use claimed.
- The manufacturer states that it provides a six-week feed and gives a 14/16/18 NPK profile and pH of 6.0-7.0.
Reference price: £11.99
Price checked: 13 Nov 2026
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Pros and cons
Pros
- Seed-sowing formulation is specifically presented for seeds and cuttings rather than general mature-plant potting.
- Ready-to-use format can be used directly in containers, trays or pots, according to the listing.
- An 8-litre pack is a modest quantity for smaller sowing jobs.
Cons
- The 8-litre quantity may be limiting for larger sowing projects or filling multiple sizeable containers.
Technical specifications
10 specifications| Brand | Hardys |
|---|---|
| Model | AFRA-HG-HOM-0350_JI-SS |
| Weight listed | 2000 Grams |
|---|
| Pack volume | 8000 Millilitres |
|---|---|
| Style | John Innes - Seed Sowing |
| Number of packs | 1 |
| NPK profile | 14/16/18 |
|---|---|
| pH | 6.0-7.0 |
| Claimed feed duration | 6-week feed |
| Claimed water capacity | Holds 9x its own weight in water |
What to know before buying
- The claimed six-week feed, water retention, germination benefits and other growing effects are manufacturer statements, not independently verified results. Follow the packet directions for the intended crop and sowing conditions.
Who is it for?
A good fit for
- Gardeners starting flowers, herbs, fruit or vegetable seeds in trays, pots or containers.
- Buyers wanting a small ready-to-use sowing mix for indoor or outdoor use.
Less suited to
- Those needing a large-volume compost supply for extensive planting or large containers.
- Those looking specifically for a general-purpose or mature-plant compost rather than a seed-sowing formula.
Customer reviews on Amazon
- 5 stars
100% 100% - 4 stars
0% 0% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
The listing shows a small set of ratings, all in the five-star category, but provides no written customer feedback. That is a favourable but limited signal and does not explain what buyers liked or establish how the mix performs for particular seeds or conditions.
Frequently asked questions
What is this compost intended for?
The listing presents it as a John Innes seed-sowing mix for seeds and cuttings, including flowers, herbs, fruit and vegetables.
Can it be used indoors and outdoors?
Yes. The listing describes it for both indoor and outdoor use, including in containers, seed pots and trays.
Does it need mixing before use?
The listing calls it ready to use and says it can be put straight into a container, tray or pot. It also suggests watering thoroughly before sowing.
How long is the feed claimed to last?
The manufacturer describes a six-week feed. Treat this as a listing claim rather than a guaranteed result for every plant or growing condition.
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