---
title: "Greenhouse Replacement Cover — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/greenhouse-replacement-cover"
last_updated: "2026-08-10T07:52:51.304Z"
locale: en
meta:
description: "Niche score 48/100 · $21K/yr market · 52K searches/yr · $43.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $21K/yr market · 52K searches/yr · $43.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Greenhouse Replacement Cover — $21K/yr Amazon US Niche (2026) - Flapen"
---
# **greenhouse replacement cover**
**Skip it**
A small market ($21K/yr) — this niche doesn't clear our bar today.
Market size 5Growth 11Conversion 12Competition 65Returns 52Price range 83Avg price 95Brand share 77Review moat 89Quality gap 84
**Avg price**
**Incredible****$43.71**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****210.76**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$10.01–$109.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Great****58%**
top-5 brand share — no brand owns this niche
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-28.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$21K**
$21K/yr · 52K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, greenhouse replacement cover is a $21K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 48/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **greenhouse replacement cover market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$44K–$55K**
- units × avg price
- **Conversion rate**
- **0.9%**
- **Avg BSR**
- **#152**
- **Page quality**
- **0%**
- **Prime**
- **76%**
- **Sponsored**
- **84%**
- **Out of stock**
- **22.1%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **205 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**23**
**Top-5 brand share**
**58%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 84%
**Open market**
**35%**
- BPS14% - Zejoot13% - UWIOFF13% - TENTOPMIC11% - SHANGXING8% - Strong Camel6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -28.3% search growth over the last 90 days.
4K3KPrime Day '24Spike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr · busiest ÷ quietest = 3.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/greenhouse-replacement-cover/trend)
## **Top greenhouse replacement cover search terms**
- **greenhouse replacement cover**23K/yr-24.1%1.9% conv. - **greenhouse cover replacement**20K/yr-34.5%1.8% conv. - **green house cover replacement**9K/yr-25.0%1.7% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/greenhouse-replacement-cover/search-terms)
## **Top greenhouse replacement cover 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%4%$8488%$2K12%$3K16%$3K1101001K 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**UWIOFF 4-Tier Greenhouse Replacement Cover Clear PVC Greenhouse Cover with Roll-Up Zipper Door - 27 L x 19 W x 63 H**UWIOFF**$14.40**3.9★910 rev](https://www.amazon.com/dp/B08JM7N64Q) [2**Walk-in Greenhouse Replacement Cover with Roll-Up Zipper Door 565676 inch PE Greenhouse Cover Protect Outdoor Gardening Plants from Cold FrostWaterproof and UV Resistant(Frame Not Include)**Zejoot**$35.02**4.5★82 rev](https://www.amazon.com/dp/B0DMNJML8W) [3**BPS Greenhouse Replacement Cover 10 x 7 x 7 Large Walk in Tunnel Outdoor Plant Gardening Greenhouse Spare Parts Cover (Only Cover)**BPS**$57.63**3.8★83 rev](https://www.amazon.com/dp/B0DZX2SLNY) [4**Greenhouse Replacement Cover 565676 Inch PE Walk-in Greenhouse Cover for Gardening Plants w/Roll-Up Zipper Door Waterproof Frost Protection Wind Rain Proof Easy Assembly (No Frames Include)**TENTOPMIC**$35.06**4.2★280 rev](https://www.amazon.com/dp/B0CWLPJGGZ) [5**Sfcddtlg 4 Tier Greenhouse Replacement Cover with Roll-Up Zipper Door-PE Plant Greenhouse Cover for Indoor Outdoors Gardening Plants Cold Frost Protection Wind Rain Proof (Frame NOT Include)**Sfcddtlg**$21.37**4.6★623 rev](https://www.amazon.com/dp/B08T926JDW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GreenGiggle 4 Tier PVC Greenhouse Replacement Cover 27 x 19 x 62 inch Clear PVC Greenhouse Cover with Roll-Up Zipper Door**GreenGiggle**$13.79**7 rev3mo ago](https://www.amazon.com/dp/B0GS9DRJQ5) [**4 Tier Greenhouse Replacement Cover 63 x 27.2 x 19.3Greenhouse PE Cover with Roll-Up Zipper Door & Screen Ventilation Waterproof UV Resistant Outdoor Greenhouse Cover (Frame Not Included)**Zejoot**$19.65**5 rev7mo ago](https://www.amazon.com/dp/B0G37HNBJ5) [**BPS Greenhouse Replacement Cover 10 x 7 x 7 Large Walk in Tunnel Outdoor Plant Gardening Greenhouse Spare Parts Cover (Only Cover)**BPS**$57.63**83 rev1y ago](https://www.amazon.com/dp/B0DZX2SLNY) [**BPS Greenhouse Replacement Cover 20 x 10 x 7 Large Walk in Tunnel Outdoor Plant Gardening Greenhouse Cover (Frame NOT Included)**BPS**$95.99**83 rev1y ago](https://www.amazon.com/dp/B0DZX1HW44) [**YardGrow Greenhouse Replacement Cover Larger Walk in Outdoor Plant Gardening Greenhouse 2-Doors with 2 Mesh Windows Frame Does NOT Included (10x7x7)**YardGrow**$69.37**84 rev1y ago](https://www.amazon.com/dp/B0DR88HVHF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GreenGiggle 4 Tier PVC Greenhouse Replacement Cover 27 x 19 x 62 inch Clear PVC Greenhouse Cover with Roll-Up Zipper Door**GreenGiggle**$13.79**4.7★**▲ 263%**](https://www.amazon.com/dp/B0GS9DRJQ5) [**4 Tier Greenhouse Replacement Cover 63 x 27.2 x 19.3Greenhouse PE Cover with Roll-Up Zipper Door & Screen Ventilation Waterproof UV Resistant Outdoor Greenhouse Cover (Frame Not Included)**Zejoot**$19.65**4.6★**▲ 210%**](https://www.amazon.com/dp/B0G37HNBJ5) [**YardGrow Greenhouse Replacement Cover Larger Walk in Outdoor Plant Gardening Greenhouse 2-Doors with 2 Mesh Windows Frame Does NOT Included (10x7x7)**YardGrow**$69.37**4.1★**▲ 150%**](https://www.amazon.com/dp/B0DR88HVHF) [**Strong Camel Greenhouse Replacement Covering for Outdoor Larger Hot Garden House Support Arch Frame Climbing Plants/Flowers/Vegetables (20 X 10 X 7 Cover)**Strong Camel**$108.83**4.2★**▲ 126%**](https://www.amazon.com/dp/B08QV65C7R) [**Greenhouse Replacement Cover 562976 Inches PE Walk-in Greenhouse Cover for Gardening Plants w/Roll-Up Zipper Door Waterproof Frost Protection Wind Rain Proof Easy Assembly (No Frames Include)**TENTOPMIC**$30.27**4.2★**▲ 80%**](https://www.amazon.com/dp/B0CWLNWBB1)
**~~View all trending →~~**
## **What buyers say about greenhouse replacement cover**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**30%
*“Fit perfectly”*
**Quality-Overall**16%
*“This is a high quality cover”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Material Quality**7%
*“The material is thick good quality”*
**Value For Money**6%
*“Worth it”*
**Durability**6%
*“Very durable”*
**Plant Growth**4%
*“Kept my plants safe”*
**Assembly/Installation**4%
*“easy to assemble”*
**Strength**2%
*“Extremely sturdy”*
**Heating**2%
*“heating mat is working pretty well”*
### **What buyers complain about **
**Quality-Overall**19%
*“Not good quality”*
**Size-Overall**16%
*“To small”*
**Durability**13%
*“Not durable”*
**Thickness**9%
*“Only 3 mils thick”*
**Material Quality**5%
*“Super thin plastic material”*
**Strength**5%
*“Feels a bit on the flimsy side”*
**Advertised Vs Actual Product**4%
*“Does not fit description”*
**Stitch/Finish/Polish**4%
*“Seams tear too easily”*
**Plant Growth**2%
*“I couldnt complete the green house project for small plants”*
**Heating**2%
*“Unfortunately the bottom allowed cold air in”*
### **Top return reasons **
**Size-Overall**45%
**Advertised Vs Actual Product**18%
**Material Quality**10%
**Thin**3%
**Value For Money**3%
**Defective Material/Parts**3%
**Quality-Overall**2%
**Product Condition**2%
**Stitch/Finish/Polish**2%
**Functionality-Overall**2%
## **Common questions**
- **Is greenhouse replacement cover profitable to sell on Amazon United States?**
- The niche generates $21K/yr across 38 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -28.3%. Flapen's verdict: Skip it (48/100).
- **How competitive is the greenhouse replacement cover niche?**
- 20 brands and 23 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 58% of demand.
- **What do buyers complain about in greenhouse replacement cover?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Durability. The return rate is 2.9%.
- **When does demand for greenhouse replacement cover peak?**
- Demand peaks in Mar–Apr; the busiest month runs 3.8× the quietest.
- **What does it cost to enter the greenhouse replacement cover niche?**
- Listings span $10.01–$109.51; the average listing price is $43.71 (sweet spot $15–$100). The average incumbent carries 211 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)