grass seed 20kg
Skip itSoft demand (-37.5% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great£52.45avg listing price — sweet spot $15–$100
Price range
Great£8.91–£105.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Conversion
Good4.2%search→purchase rate — share of searches ending in a sale
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Review moat
Okay3,976.9avg incumbent reviews — the moat a new listing must climb
Market size
Bad£30K£30K/yr · 14K searches
Growth
Bad-37.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, grass seed 20kg is a £30K/yr Amazon United Kingdom market (14K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Mar–Apr–Sep. Verdict: Skip it — 45/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
grass seed 20kg market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- £39K–£52K
- units × avg price
- Conversion rate
- 4.2%
- Avg BSR
- #95
- Page quality
- 0%
- Prime
- 50%
- Sponsored
- 75%
- Out of stock
- 2.0%
- Avg brand age
- 71 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
23
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
13%
- Boston Seeds42%
- GroundMaster15%
- Ivisons14%
- A1Lawn7%
- Generic5%
- GardenersDream4%
- Open — no brand owns it (6 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 66 weeks — -37.5% search growth over the last 90 days.Peak months: Mar, Apr, Sep · busiest ÷ quietest = 15.4×
Top grass seed 20kg search terms
- grass seed 20kg7K/yr
- 20kg grass seed5K/yr
- grass seeds fast growing 20kg2K/yr
Top grass seed 20kg products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Boston Seeds Fast Growing Eco Grass Seed (Eco - 5 Kilogram)
Boston Seeds£27.624.4★891 rev

Boston Seeds Fast Growing Eco Grass Seed (Eco - 20 Kilogram)
Boston Seeds£70.454.4★891 rev

Grassias Premium Hard Wearing Grass Seed 20KG Premium Quality Lawn Seed for Overseeding & New Lawns Pet Friendly - Perfect Grass Seeds for UK Lawns - Defra Approved Lawn Seeds
Ivisons£81.983.9★429 rev

GroundMaster Premium Lawn Grass Seed 5KG Hard Wearing & Fast Germination Grass Seeds for Family Lawns and Gardens Coverage up to 300M2 for Overseeding Tough Lawn Seed Mixture Pet-Friendly
GroundMaster£32.244.2★6,657 rev

Gateway & PATCHING Paddock Grass Seed UNCERTIFIED (1 20kg) - Fast Growing for Repairs on Pastures Fields & Gateways
Generic£59.253.8★29 rev
Newest
by launch date
Grassias Fast Growing Grass Seed 1.70KG Premium Quality Lawn Seed for Overseeding & New Lawns Hard Wearing & Pet Friendly - Perfect for UK Lawns - Winter & Defra Approved
Grasscias£14.661,233 rev

GroundMaster Premium Lawn Grass Seed 2.5KG Hard Wearing & Fast Germination Grass Seeds for Family Lawns and Gardens Coverage up to 150M2 for Overseeding Tough Lawn Seed Mixture Pet-Friendly
GroundMaster£20.666,657 rev

Pitch Perfect - Rye Grass Seed Sports Mix - Ultra Hard Wearing & Fast Growing - Garden Lawncare Guy 5kg
Garden Lawncare Guy£39.9280 rev

Boston Seeds Fast Growing Eco Grass Seed (Eco - 5 Kilogram)
Boston Seeds£27.62891 rev

Boston Seeds Fast Growing Eco Grass Seed (Eco - 20 Kilogram)
Boston Seeds£70.45891 rev
Trending
90-day click momentum
Elixir Gardens Premium Fast-Growing Hard-Wearing Grass Seed Various Sizes 100g-25kg | 20kg Covers Upto 570 sqm
Elixir Gardens£68.784.0★

GroundMaster Premium Lawn Grass Seed 10KG Hard Wearing & Fast Germination Grass Seeds for Family Lawns and Gardens Coverage up to 600M2 for Overseeding Tough Lawn Seed Mixture Pet-Friendly
GroundMaster£54.684.2★

Pitch Perfect - Rye Grass Seed Sports Mix - Ultra Hard Wearing & Fast Growing - Garden Lawncare Guy 5kg
Garden Lawncare Guy£39.924.0★

GardenersDream 10KG Premium Hard Wearing Grass Seed - Fast Growing Grass Seeds for New Lawns & Patch Repair - Covers up to 600M2 for Overseeding
GardenersDream£54.024.1★

Pronto Seed Premium Grass Seeds 1.4kg - Covers 84m2
pronto seed£14.094.2★
What buyers say about grass seed 20kg
What buyers praise and complain about, mined from review topics.What buyers love
“Fast growing”
“Excellent Product”
“worth every penny”
“As advertised”
“Easy to use”
“Grass came back thick and super green”
“Lovely colour”
“Good size”
“Solid performance”
“The area has been watered well each day”
What buyers complain about
“No growth”
“Poor quality”
“Save your money”
“Didnt get results”
“Total waste”
“not long lasting”
“Very disappointed did as the instructions said”
“Watered and its rained”
“Not a full bag as imply in product image”
“Coarse, ugly grass”
Top return reasons
Common questions
- Is grass seed 20kg profitable to sell on Amazon United Kingdom?
- The niche generates £30K/yr across 20 tracked products. 90-day search growth is -37.5%. Flapen's verdict: Skip it (45/100).
- How competitive is the grass seed 20kg niche?
- 12 brands and 23 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in grass seed 20kg?
- Top complaints mined from reviews: Plant Growth, Quality-Overall, Value For Money. The return rate is 0.1%.
- When does demand for grass seed 20kg peak?
- Demand peaks in Mar–Apr–Sep; the busiest month runs 15.4× the quietest.
- What does it cost to enter the grass seed 20kg niche?
- Listings span £8.91–£105.09; the average listing price is £52.45 (sweet spot $15–$100). The average incumbent carries 3,977 reviews — the moat a new listing must climb.