---
title: "St Augustine Weed and Feed — $99K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/st-augustine-weed-and-feed"
last_updated: "2026-08-10T14:19:20.171Z"
locale: en
meta:
description: "Niche score 51/100 · $99K/yr market · 78K searches/yr · $33.66 avg price. Soft demand (-29.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $99K/yr market · 78K searches/yr · $33.66 avg price. Soft demand (-29.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "St Augustine Weed and Feed — $99K/yr Amazon US Niche (2026) - Flapen"
---
# **st augustine weed and feed**
**Worth a look**
Shows low returns (0.4%), but soft demand (-29.2% this quarter) keeps it on the watch list.
Market size 25Growth 10Conversion 47Competition 74Returns 98Price range 84Avg price 95Brand share 21Review moat 23Quality gap 77
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$33.66**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.51–$110.75**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****40%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$99K**
$99K/yr · 78K searches
**Review moat**
**Bad****8,443.03**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-29.2%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, st augustine weed and feed is a $99K/yr Amazon United States market (78K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 51/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **st augustine weed and feed market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$168K–$202K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#151**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **76%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **99 months**
- **Avg seller age**
- **139 days**
## **Competition & brand share**
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **—flat
**Sellers**
**126**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**40%**
Top 20: 81%
**Open market**
**6%**
- Scotts65% - Ortho9% - Southern Ag8% - Bayer Advanced6% - Bonide3% - Spruce3% - Open — no brand owns it (3 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -29.2% search growth over the last 90 days.
8K6KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr · busiest ÷ quietest = 9.3×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/st-augustine-weed-and-feed/trend)
## **Top st augustine weed and feed search terms**
- **sticker burr weed killer**12K/yr+10.4%0.8% conv. - **scotts bonus s southern weed and feed**9K/yr-44.2%6.5% conv. - **scotts bonus s**7K/yr-24.1%4.7% conv. - **dollar weed killer**5K/yr+1.2%6.7% conv. - **bonus s weed and feed**7K/yr-53.3%8.0% conv. - **weed killer for st augustine grass**5K/yr-11.6%4.2% conv. - **scotts turf builder bonus s southern weed & feed**4K/yr-40.5%7.5% conv. - **scotts southern weed and feed**5K/yr-52.5%7.2% conv. - **scotts bonus s weed and feed**4K/yr-47.8%6.2% conv. - **bonus s**4K/yr-30.9%5.0% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/st-augustine-weed-and-feed/search-terms)
## **Top st augustine weed and feed 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.
0%5%$5K10%$10K15%$15K20%$20K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Scotts Turf Builder Bonus S Southern Weed & Feed2 17.24 lbs.**Scotts**$27.19**4.5★6,486 rev](https://www.amazon.com/dp/B00GPAGO6S) [2**Scotts Turf Builder Bonus S Southern Weed & FeedF2 34.48 lbs.**Scotts**$58.92**4.5★6,486 rev](https://www.amazon.com/dp/B07YM66RXF) [3**Scotts Turf Builder Weed and Feed 3 5 000 sq. ft.**Scotts**$26.62**4.4★36,372 rev](https://www.amazon.com/dp/B00XJM8KMQ) [4**Southern Ag 006130 Atrazine St. Augustine Weed Killer 32oz Specialty Herbicide Light Tan**Southern Ag**$16.37**4.3★1,150 rev](https://www.amazon.com/dp/B0052MZBYQ) [5**Scotts Turf Builder Bonus S Southern Weed & Feed2 13.79 lbs.**Scotts**$27.45**4.5★6,486 rev](https://www.amazon.com/dp/B0C7SC831T)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Spruce Weed Killer Spray Power Wand Kit - Weed + Grass Killer Reusable Weed Sprayer Spot-Treating Kills Weeds in Lawns and Gardens Additional 2 AA Batteries Included for Continuous Power (64 oz)**Spruce**$38.65**1,013 rev3mo ago](https://www.amazon.com/dp/B0GT7N4VY1) [**Scotts Turf Builder Bonus S Southern Weed & Feed2 13.79 lbs.**Scotts**$27.45**6,486 rev3y ago](https://www.amazon.com/dp/B0C7SC831T) [**BioAdvanced 3-In-1 Weed and Feed Granules for Southern Lawns 10 lb Bag**Bayer Advanced**$28.37**1,668 rev3y ago](https://www.amazon.com/dp/B0BR8J59CL) [**BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns Granules - Kills the Weed Not the Lawn (When Used As Directed) - Covers 4 000 Square Feet - 10 lb Bag**Bayer Advanced**$22.66**393 rev3y ago](https://www.amazon.com/dp/B0BPVJ7BWZ) [**Scotts Turf Builder Weed & Feed5 11.32 lbs.**Scotts**$22.17**36,372 rev3y ago](https://www.amazon.com/dp/B0BBN199N4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Spruce Weed Killer Spray Power Wand Kit - Weed + Grass Killer Reusable Weed Sprayer Spot-Treating Kills Weeds in Lawns and Gardens Additional 2 AA Batteries Included for Continuous Power (64 oz)**Spruce**$38.65**4.1★**▲ 251%**](https://www.amazon.com/dp/B0GT7N4VY1) [**Scotts Weed Control for Lawns 14 lbs.**Scotts**$20.94**4.0★**▲ 105%**](https://www.amazon.com/dp/B01JIRMAZS) [**Scotts Turf Builder Weed & Feed5 11.32 lbs.**Scotts**$22.17**4.4★**▲ 94%**](https://www.amazon.com/dp/B0BBN199N4) [**Scotts Turf Builder Southern Triple Action 13.32 lbs.**Scotts**$30.56**4.4★**▲ 43%**](https://www.amazon.com/dp/B0758L58YY) [**Ortho WeedClear Lawn Weed Killer Ready to Use1 with Comfort Wand - Weed Killer Spray Kills Dandelion and Clover For Southern Lawns 1 gal.**Ortho**$22.44**4.2★**▲ 42%**](https://www.amazon.com/dp/B07YM6XT6Q)
**~~View all trending →~~**
## **What buyers say about st augustine weed and feed**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Pest/Insect Control**19%
*“works quickly and is safe for critters”*
**Advertised Vs Actual Product**12%
*“Better than expected”*
**Quality-Overall**12%
*“Excellent Product”*
**Ease Of Use**10%
*“Easy to apply”*
**Plant Growth**9%
*“They are thriving and spreading”*
**Smell**6%
*“clean scent”*
**Value For Money**6%
*“Good Price”*
**Spray/Flow**5%
*“Love this spray”*
**Safety Standards**4%
*“Safe and effective”*
**Instructions/User Manual/Troubleshooting**2%
*“Clear instructions”*
### **What buyers complain about **
**Functionality-Overall**22%
*“Did not work”*
**Pest/Insect Control**18%
*“Didn't kill a single thing”*
**Value For Money**11%
*“Too expensive”*
**Plant Growth**11%
*“doesnt prevent them from growing back”*
**Spray/Flow**5%
*“Sprayer doesn't work”*
**Advertised Vs Actual Product**3%
*“False advertisement”*
**Durability**3%
*“Doesn't Last”*
**Smell**2%
*“Smells terrible”*
**Quality-Overall**2%
*“Really poor product”*
**Leak-Proof**2%
*“Leaks a lot”*
### **Top return reasons **
**Value For Money**17%
**Functionality-Overall**16%
**Leak-Proof**15%
**Advertised Vs Actual Product**13%
**Spray/Flow**8%
**Pest/Insect Control**8%
**Size-Overall**6%
**Defective Material/Parts**4%
**Plant Growth**3%
**Add-Ons/Attachments**2%
## **Common questions**
- **Is st augustine weed and feed profitable to sell on Amazon United States?**
- The niche generates $99K/yr across 34 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -29.2%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the st augustine weed and feed niche?**
- 9 brands and 126 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in st augustine weed and feed?**
- Top complaints mined from reviews: Functionality-Overall, Pest/Insect Control, Value For Money. The return rate is 0.4%.
- **When does demand for st augustine weed and feed peak?**
- Demand peaks in Mar–Apr; the busiest month runs 9.3× the quietest.
- **What does it cost to enter the st augustine weed and feed niche?**
- Listings span $11.51–$110.75; the average listing price is $33.66 (sweet spot $15–$100). The average incumbent carries 8,443 reviews — the moat a new listing must climb.
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