st augustine grass fertilizer
Worth a lookShows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Incredible$31.84avg listing price — sweet spot $15–$100
Growth
Great+107.7%90-day search growth — must beat 0% to launch
Price range
Great$11.05–$87.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$515K$515K/yr · 194K searches
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Review moat
Bad4,755.33avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, st augustine grass fertilizer is a $515K/yr Amazon United States market (194K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 62/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
st augustine grass fertilizer market data
- Units sold / yr
- 15K–20K
- avg 1,250–1,500/product
- Revenue / yr
- $478K–$637K
- units × avg price
- Conversion rate
- 8.3%
- Avg BSR
- #192
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 0.0%
- Avg brand age
- 57 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.Brands
3 flat
Sellers
28
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
0%
- Scotts89%
- Simple Lawn Solutions7%
- TPS NUTRIENTS4%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +107.7% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 7.1×
Top st augustine grass fertilizer search terms
- lawn food30K/yr
- green grass32K/yr
- scotts green max lawn food17K/yr
- st augustine grass fertilizer23K/yr
- lawn food for grass13K/yr
- summer lawn fertilizer8K/yr
- grass food10K/yr
- summer fertilizer for lawns8K/yr
- scotts green max8K/yr
- greener grass11K/yr
Top st augustine grass fertilizer 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
Scotts Green Max Lawn Food 5 000 sq. ft.
Scotts$29.544.5★9,182 rev
Scotts Turf Builder Lawn Food 12.5 lbs.
Scotts$21.594.6★8,041 rev
Scotts Green Max Lawn Food 33.33 lbs.
Scotts$57.184.5★9,182 rev
Scotts Liquid Green Max Lawn Food 32 oz.
Scotts$23.264.2★414 rev
Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type - Simple Lawn Solutions (32 Ounce)
Simple Lawn Solutions$23.464.2★11,223 rev
Newest
by launch date
Scotts Turf Builder Lawn Food 15.8 lbs.
Scotts$23.76131 rev
Scotts Liquid Green Max Lawn Food 32 fl. oz.
Scotts$19.28165 rev
Scotts Turf Builder Liquid Lawn Food 32 fl. oz.
Scotts$15.9198 rev
St Augustine Grass Fertilizer Liquid Lawn Food for Thicker Growth New Runners & Rich Green Color 8 oz
TPS NUTRIENTS$11.0581 rev
St Augustine Grass Fertilizer Liquid Lawn Food for Thicker Growth New Runners & Rich Green Color 1 Gallon
TPS NUTRIENTS$39.3781 rev
Trending
90-day click momentumScotts Turf Builder Liquid Lawn Food 32 fl. oz.
Scotts$15.914.2★
Scotts Turf Builder Lawn Food 15.8 lbs.
Scotts$23.764.1★
Scotts Turf Builder SummerGuard Lawn Food with Insect Control 40.05 lbs.
Scotts$87.744.5★
Scotts Liquid Green Max Lawn Food 32 fl. oz.
Scotts$19.284.2★
Scotts Turf Builder Lawn Food 37.50 lbs.
Scotts$50.894.6★
What buyers say about st augustine grass fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“seems to really boost growth quickly”
“Easy to Apply”
“Excellent Product”
“Great value for the money”
“richer in color”
“AS ADVERTISED”
“Steady stream of water”
“Has very clear instructions”
“thicker without any patchy growth”
“Thanks for the leaky connector”
What buyers complain about
“I have not seen any new growth and it is still dead from when I originally applied the weed and feed”
“Didnt work”
“my sprayer did not distribute fluid evenly”
“Yes, pricey as some say”
“Garbage”
“Some patches brown”
“Leaking bottle horrible”
“The granules are larger than what I'm used to”
“It burned my grass”
“The bottle looks different”
Top return reasons
Common questions
- Is st augustine grass fertilizer profitable to sell on Amazon United States?
- The niche generates $515K/yr across 15 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +107.7%. Flapen's verdict: Worth a look (62/100).
- How competitive is the st augustine grass fertilizer niche?
- 3 brands and 28 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in st augustine grass fertilizer?
- Top complaints mined from reviews: Plant Growth, Functionality-Overall, Spray/Flow. The return rate is 0.4%.
- When does demand for st augustine grass fertilizer peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 7.1× the quietest.
- What does it cost to enter the st augustine grass fertilizer niche?
- Listings span $11.05–$87.74; the average listing price is $31.84 (sweet spot $15–$100). The average incumbent carries 4,755 reviews — the moat a new listing must climb.