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Slow Release Fertilizer

Fail

Prices span $4.95–$14.67, mostly outside the sweet spot, so Slow Release Fertilizer is a Fail.

Flapen Score
44
44 / 100
Ranks 4,195 of 5,777 Home & Garden niches · −7 vs the category median of 51
Market size
£72K/yr66K searches / yr
90-day growth
+37.9%search demand this quarter
Competition
76%top-5 click share · 7 brands · 81 sellers

Flapen Score

Slow Release Fertilizer against its category

The dotted line is the Home & Garden average. Past it, Slow Release Fertilizer is stronger. Inside it, weaker.

44Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Slow Release Fertilizer market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Slow Release Fertilizer 66K times last year and spent an estimated £72K. The top 5 brands take 96% of clicks. Demand peaks in Mar–Apr–May–Jun. Flapen scores it 44 out of 100, a Fail.

01 · Demand

An estimated 12.6% of those searches ended in a purchase.

Shoppers searched for this 66K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.6% of those searches ended in a purchase. Searches in the last 90 days moved +37.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £72K a year.

Searches, last 12 months
66K
Growth, 90 days vs prior 90
+37.9%
Conversion, latest week
12.6%
Market size, estimated
£72Ka year
Peak month
May16.4× the quietest month
Top search term
slow release fertiliser granules29K searches a year

02 · Price

A sale here is worth £8.66.

Listings sell for £8.66 on average, from £4.95 to £14.67. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 750 to 1,000 of them. At £8.66 that is £6K to £9K a year per listing.

Average price
£8.66under the $15 to $100 sweet spot
Price range
£4.95–£14.67
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
10K–13K
Units per listing a year
750–1,000
Revenue per listing a year
£6K–£9K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

57% of listings pay for placement with sponsored ads. 71% ship with Prime. On an average day, 4.7% of listings are out of stock. The average listing ranks #56 within Fertilisers & Plant Food. It carries 850 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
57%
Prime listings
71%
Out of stock, average day
4.7%
Average rank
#56in Fertilisers & Plant Food
Average rating
4.49 starsAmazon United Kingdom average 4.36 stars
Average reviews
850per listing
Listings tracked
14

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 58 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
58 months

Products

Top Slow Release Fertilizer products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 26, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.

£0£7K£14K£22K£29K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 flat

Sellers

81

Est. top-5 brand share

96%

Top 20: 100%

Est. top-5 click share

76%

Top 20: 100%

Open market

2%

  • Westland40%
  • Miracle-Gro39%
  • Grow Chem8%
  • Renaissance6%
  • Goulding3%
  • Topline2%
  • Open — no brand owns it (1 brand, 2%)

Demand

Slow Release Fertilizer search demand

Weekly searches over the year, seasonality beneath. Pick a range.

4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 16.4×

Search terms

Top Slow Release Fertilizer search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • slow release fertiliser granules29K/yr
  • slow release plant food12K/yr
  • slow release fertilizer12K/yr
  • plant food granules6K/yr
  • slow release fertiliser4K/yr
  • plant food granules slow release3K/yr

Reviews and returns

What reviews say buyers love and hate about Slow Release Fertilizer

We read the reviews and the return reasons for every product selling here.

25%of positive reviews mention “Value For Money”
19%of negative reviews mention “Size-Overall”
0.1%of orders come back
“Bag was smaller than expected”
A buyer, on “Size-Overall”19% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Slow Release Fertilizer questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data