plant growth regulator
Worth a lookShows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Growth
Incredible+170.6%90-day search growth — must beat 0% to launch
Review moat
Great186.2avg incumbent reviews — the moat a new listing must climb
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$85.53avg listing price — sweet spot $15–$100
Price range
Good$34.78–$126.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$478K$478K/yr · 57K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, plant growth regulator is a $478K/yr Amazon United States market (57K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 57/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
plant growth regulator market data
- Units sold / yr
- 3K–4K
- avg 500–750/product
- Revenue / yr
- $257K–$342K
- units × avg price
- Conversion rate
- 9.8%
- Avg BSR
- #1,130
- Page quality
- 0%
- Prime
- 80%
- Sponsored
- 60%
- Out of stock
- 0.0%
- Avg brand age
- 69 months
- Avg seller age
- 151 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
18
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Syngenta45%
- Atticus26%
- Quali-Pro22%
- The Andersons8%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +170.6% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 6.1×
Top plant growth regulator search terms
- plant growth regulator12K/yr
- pgr plant growth regulator8K/yr
- primo maxx plant growth regulator7K/yr
- pgr8K/yr
- tnex plant growth regulator5K/yr
- primo maxx5K/yr
- tnex4K/yr
- grass growth regulator3K/yr
- growth regulator for grass2K/yr
- t-nex plant growth regulator2K/yr
Top plant growth regulator 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 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Primo Maxx Plant Growth Regulator
Syngenta$34.784.6★144 rev

Quali-Pro T-Nex Plant Growth Regulator (Primo Maxx) 128oz White (83013998)
Quali-Pro$126.504.6★389 rev

Atticus Pramaxis MEC Plant Growth Regulator for Lawn (8 oz) Improve Turfgrass Quality and Control Growth - Trinexapac-Ethyl 11.3%
Atticus$52.824.4★110 rev

The Andersons Governor G Granular Lawn Growth Regulator - Covers up to 20 000 sq ft (34 lb)
The Andersons$87.554.4★245 rev

Atticus Pramaxis MEC Plant Growth Regulator (1 Gal) - Growth Control of Turfgrasses - Trinexapac-Ethyl 11.3%
Atticus$126.034.7★43 rev
Newest
by launch date
Atticus Pramaxis MEC Plant Growth Regulator for Lawn (8 oz) Improve Turfgrass Quality and Control Growth - Trinexapac-Ethyl 11.3%
Atticus$52.82110 rev

Atticus Pramaxis MEC Plant Growth Regulator (1 Gal) - Growth Control of Turfgrasses - Trinexapac-Ethyl 11.3%
Atticus$126.0343 rev

Primo Maxx Plant Growth Regulator
Syngenta$34.78144 rev

The Andersons Governor G Granular Lawn Growth Regulator - Covers up to 20 000 sq ft (34 lb)
The Andersons$87.55245 rev

Quali-Pro T-Nex Plant Growth Regulator (Primo Maxx) 128oz White (83013998)
Quali-Pro$126.50389 rev
Trending
90-day click momentum
Primo Maxx Plant Growth Regulator
Syngenta$34.784.6★

The Andersons Governor G Granular Lawn Growth Regulator - Covers up to 20 000 sq ft (34 lb)
The Andersons$87.554.4★

Atticus Pramaxis MEC Plant Growth Regulator for Lawn (8 oz) Improve Turfgrass Quality and Control Growth - Trinexapac-Ethyl 11.3%
Atticus$52.824.4★

Atticus Pramaxis MEC Plant Growth Regulator (1 Gal) - Growth Control of Turfgrasses - Trinexapac-Ethyl 11.3%
Atticus$126.034.7★

Quali-Pro T-Nex Plant Growth Regulator (Primo Maxx) 128oz White (83013998)
Quali-Pro$126.504.6★
What buyers say about plant growth regulator
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality product”
“Works as advertised”
“I'm happy that I don't need to cut the grass every other day now”
“Follow the directions”
“Bermuda already wants to spread — this product supercharges that”
“Way less mowing”
What buyers complain about
“Did not work”
“growth was not slowed in the slightest”
“Dont buy for a plant regulator its false advertising”
“Expensive with Marginal Results”
“it did seem to turn a darker green”
Top return reasons
Common questions
- Is plant growth regulator profitable to sell on Amazon United States?
- The niche generates $478K/yr across 5 tracked products. 90-day search growth is +170.6%. Flapen's verdict: Worth a look (57/100).
- How competitive is the plant growth regulator niche?
- 4 brands and 18 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in plant growth regulator?
- Top complaints mined from reviews: Functionality-Overall, Plant Growth, Advertised Vs Actual Product. The return rate is 0.5%.
- When does demand for plant growth regulator peak?
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 6.1× the quietest.
- What does it cost to enter the plant growth regulator niche?
- Listings span $34.78–$126.50; the average listing price is $85.53 (sweet spot $15–$100). The average incumbent carries 186 reviews — the moat a new listing must climb.