greenworks weed wacker string
Worth a lookShows demand growing +391.0% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+391.0%90-day search growth — must beat 0% to launch
Conversion
Incredible13.6%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$29.22avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great$9.83–$104.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good802.33avg incumbent reviews — the moat a new listing must climb
Market size
Good$458K$458K/yr · 115K searches
Returns
Good2.7%return rate — above 5% kills the launch gate
Competition
Bad82%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, greenworks weed wacker string is a $458K/yr Amazon United States market (115K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 64/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
greenworks weed wacker string market data
- Units sold / yr
- 15K–20K
- avg 500–750/product
- Revenue / yr
- $438K–$584K
- units × avg price
- Conversion rate
- 13.6%
- Avg BSR
- #397
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 7.3%
- Avg brand age
- 50 months
- Avg seller age
- 201 days
Competition & brand share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
19
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
2%
- THTEN48%
- Greenworks24%
- OIXXAF11%
- Cilivo7%
- Kudoosen6%
- VineHii2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +391.0% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 58.6×
Top greenworks weed wacker string search terms
- greenworks weed wacker string31K/yr
- greenworks trimmer string25K/yr
- greenworks string trimmer refill12K/yr
- green works weed wacker string9K/yr
- greenworks trimmer line8K/yr
- greenworks trimmer string replacement6K/yr
- greenworks weed eater string7K/yr
- greenworks replacement spool5K/yr
- greenworks string trimmer line2K/yr
- greenworks edger string3K/yr
Top greenworks weed wacker string 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
THTEN 0.080 String Trimmer Line Compatible with Greenworks 80V 60V 48V 40V 24V GST80320 STB301 ST80L00 ST60B212 ST60B02 BL60L00 STE405 21142 String Trimmer 157 Ft Pre-Cut Twisted Line 9 Pack
THTEN$13.734.5★185 rev

Greenworks 0.080 80V Front Mount String Trimmer Replacement Spool
Greenworks$12.254.4★3,094 rev

THTEN 29252 29092 Weed Eater Spools Replacement for Greenworks 21302 21332 21342 20V 24V 40V 16ft 0.065Single Line String Trimmer with 3411546A-6 Cap Covers Parts Auto-Feed String Edger 6+1
THTEN$12.504.3★808 rev

JOYCOLY Weed Eater String Replacement Spool Compatible with Greenworks 21332 21342 24V 40V 80V Cordless String Trimmer 0.065 Inch Single Line Auto-Feed Spool Model 29252 (6 Spool 1 Cap) Blue
OIXXAF$9.834.3★524 rev

Kudoosen 2900719 Weed Wacker Spools for Greenworks 20ft 0.065 2101602 2101602A STBA40B210 2101602 ST40B410 Replacement Trimmer Spools 10-Line Spool + 2Cap
Kudoosen$13.454.4★195 rev
Newest
by launch date
SB00L00 Spool Replacement Bump Trimmer Head 2926507 Compatible with Greenworks ST40L00 ST60V ST60L210 ST60L00 ST60B00 80V ST80L200 Front Mount String Trimmer Weed Wack Pre-Wound 0.080 17Ft Dual Line
Cilivo$25.4441 rev

Replacement Spool for Greenworks 0.065 Single Line Auto-Feed String Trimmer Spools + Replacement Spool Cover Cap Compatible with Greenworks 24V12 and 40V13 String Trimmer -7Pack(6 Spool + 1Cap)
Cilivo$19.3878 rev

VineHii Compatible with Greenworks 24V12 and 40V13 String Trimmer Replacement Spool for Greenworks 0.065 Single Line Auto-Feed String Trimmer Spool + Cover Cap (6 Spools 1 Cap)
VineHii$18.7738 rev

Aporozona 6PC SB00L00 Dual Trimmer Line Replacement Spool for Greenworks STBA80L210 ST80L210 ST60L2510 ST80L00 ST60L00 ST60L210 ST60B00 ST60B211 ST60B212 String Trimmer
Aporozona$19.4359 rev

Kudoosen 2900719 Weed Wacker Spools for Greenworks 20ft 0.065 2101602 2101602A STBA40B210 2101602 ST40B410 Replacement Trimmer Spools 10-Line Spool + 2Cap
Kudoosen$13.45195 rev
Trending
90-day click momentum
THTEN 29252 29092 Weed Eater Spools Replacement for Greenworks 21302 21332 21342 20V 24V 40V 16ft 0.065Single Line String Trimmer with 3411546A-6 Cap Covers Parts Auto-Feed String Edger 6+1
THTEN$12.504.3★

Kudoosen 2900719 Weed Wacker Spools for Greenworks 20ft 0.065 2101602 2101602A STBA40B210 2101602 ST40B410 Replacement Trimmer Spools 10-Line Spool + 2Cap
Kudoosen$13.454.4★

THTEN 0.080 String Trimmer Line Compatible with Greenworks 80V 60V 48V 40V 24V GST80320 STB301 ST80L00 ST60B212 ST60B02 BL60L00 STE405 21142 String Trimmer 157 Ft Pre-Cut Twisted Line 9 Pack
THTEN$13.734.5★

VineHii Compatible with Greenworks 24V12 and 40V13 String Trimmer Replacement Spool for Greenworks 0.065 Single Line Auto-Feed String Trimmer Spool + Cover Cap (6 Spools 1 Cap)
VineHii$18.774.3★

Greenworks 24V Cordless String Trimmer/Edger (Gen 2) 12 Cutting Width Ultra-Light 6 lbs Design with 2.0Ah Battery & Charger Included
Greenworks$85.223.9★
What buyers say about greenworks weed wacker string
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“It fits”
“Awesome string trimmer”
“the unit was lightweight”
“the cut quality is great”
“the battery life is good”
“It's powerful at cutting weeds”
“Great value for the money”
“so it does not break that often”
“Accurate description fits well”
What buyers complain about
“it just didn't last”
“The blade holder doesnt fit”
“Horrible quality”
“Bad battery”
“difficult to remove the cap”
“most likely the trimmers autofeed itself is not working”
“Worst trimmer in the history of trimmers”
“Little heavy than i thought”
“charger doesn't work”
“The edge guide seems pretty much worthless”
Top return reasons
Common questions
- Is greenworks weed wacker string profitable to sell on Amazon United States?
- The niche generates $458K/yr across 12 tracked products. 90-day search growth is +391.0%. Flapen's verdict: Worth a look (64/100).
- How competitive is the greenworks weed wacker string niche?
- 7 brands and 19 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in greenworks weed wacker string?
- Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 2.7%.
- When does demand for greenworks weed wacker string peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 58.6× the quietest.
- What does it cost to enter the greenworks weed wacker string niche?
- Listings span $9.83–$104.27; the average listing price is $29.22 (sweet spot $15–$100). The average incumbent carries 802 reviews — the moat a new listing must climb.