cat grass
Worth a lookShows low returns (0.1%), but prices mostly outside the sweet spot ($5.45–$17.63) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.3%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good1,111.47avg incumbent reviews — the moat a new listing must climb
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Market size
Okay£271K£271K/yr · 251K searches
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Avg price
Okay£9.51avg listing price — sweet spot $15–$100
Growth
Bad-0.5%90-day search growth — must beat 0% to launch
Price range
Bad£5.45–£17.63cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, cat grass is a £271K/yr Amazon United Kingdom market (251K searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
cat grass market data
- Units sold / yr
- 25K–30K
- avg 2,000–2,500/product
- Revenue / yr
- £238K–£285K
- units × avg price
- Conversion rate
- 11.3%
- Avg BSR
- #18
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 73%
- Out of stock
- 0.0%
- Avg brand age
- 34 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
39
Top-5 brand share
75%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
18%
- Webbox28%
- Cat FurNature .co .uk18%
- Cat Mommy13%
- Ambrozia NP10%
- Atomwise7%
- Generic7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -0.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top cat grass search terms
- cat grass141K/yr
- cat grass for indoor cats90K/yr
- cat grass plant5K/yr
- cat grass kit5K/yr
- grass for cats4K/yr
- cat plant3K/yr
- kitty lawn3K/yr
Top cat grass 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Webbox Cat Grass Kit 120g
Webbox£6.364.2★1,720 rev

Cat Grass x 4 Pack (Grow your own kits) By Cat FurNature
Cat FurNature .co .uk£9.094.4★3,247 rev

3 Fresh Live Cat Grass (Oats Barley Wheat) | A Taste of the Outdoors for Indoor Cats | Ready to Eat | Grown in the UK | Aids Digestion & Hairballs | By Cat Mommy
Cat Mommy£17.634.3★131 rev

Cat Grass Seeds 150g | Nutrient packed UK grown Wheatgrass Seeds - Up to 1 years supply | Great for Indoor Cats| Cat grass for outdoor cats
Atomwise£5.864.4★381 rev

Ready-to-Eat Cat Grass Fresh Live Plants for Cats Rabbits Guinea Pigs & Small Animals | Wheat Barley Rye & Oats | Supports Digestion & Immunity | Organic Fibre Vitamins & Minerals
Generic£10.383.9★350 rev
Newest
by launch date
Cat Grass Seeds 150g Grow Fresh Cat Grass Natural Indoor Cat Grass Easy to Grow Made in UK (Mix)
Ambrozia NP£5.4527 rev

3 Fresh Live Cat Grass (Oats Barley Wheat) | A Taste of the Outdoors for Indoor Cats | Ready to Eat | Grown in the UK | Aids Digestion & Hairballs | By Cat Mommy
Cat Mommy£17.63131 rev

TheGuard Cat Grass Seeds 5-Packs of Grass Seeds Indoor Pet Hairball & Digestive Control Oral Health Stress Relief & Play
TheGuard£8.9127 rev

Ambrozia NP Cat Grass Kit x 5pack mix (Wheat Oat Rye and Barley)
Ambrozia NP£10.8123 rev

Fresh Live Cat Grass | A Taste of the Outdoors for Indoor Cats | Ready to Eat | Grown in the UK | Aids Digestion & Hairballs | By Cat Mommy (One Wheat)
Cat Mommy£11.7655 rev
Trending
90-day click momentum
Cat Grass Seeds 150g Grow Fresh Cat Grass Natural Indoor Cat Grass Easy to Grow Made in UK (Mix)
Ambrozia NP£5.454.4★

TheGuard Cat Grass Seeds 5-Packs of Grass Seeds Indoor Pet Hairball & Digestive Control Oral Health Stress Relief & Play
TheGuard£8.913.6★

Ambrozia NP Cat Grass Kit x 5pack mix (Wheat Oat Rye and Barley)
Ambrozia NP£10.814.6★

Cat Grass Seeds 150g | Nutrient packed UK grown Wheatgrass Seeds - Up to 1 years supply | Great for Indoor Cats| Cat grass for outdoor cats
Atomwise£5.864.4★

Fresh Live Cat Grass | A Taste of the Outdoors for Indoor Cats | Ready to Eat | Grown in the UK | Aids Digestion & Hairballs | By Cat Mommy (One Mix)
Cat Mommy£11.834.2★
What buyers say about cat grass
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent for my house cats”
“Excellent product”
“Super easy”
“Fresh and green”
“Good price”
“excellent instructions”
“Its perfect for your indoor cats”
“Lasting a while”
“a nice lush green colour”
“Super easy to grow”
What buyers complain about
“it's expensive”
“Dry out quickly”
“even after following all instructions it was dead after 3 day's”
“No instructions lots of queries”
“Misleading that only 1 pot is sent out for the 10£”
“Quality not as good as first order”
“the soil smelled foul”
“brittle, see pictures”
“Small”
“one especially wasn't even green anymore”
Top return reasons
Common questions
- Is cat grass profitable to sell on Amazon United Kingdom?
- The niche generates £271K/yr across 15 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -0.5%. Flapen's verdict: Worth a look (53/100).
- How competitive is the cat grass niche?
- 11 brands and 39 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 75% of demand.
- What do buyers complain about in cat grass?
- Top complaints mined from reviews: Value For Money, Moist/Dry, Durability. The return rate is 0.1%.
- When does demand for cat grass peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the cat grass niche?
- Listings span £5.45–£17.63; the average listing price is £9.51 (sweet spot $15–$100). The average incumbent carries 1,111 reviews — the moat a new listing must climb.