---
title: "Garden Sun Meter — $137K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/garden-sun-meter"
last_updated: "2026-08-10T18:44:02.276Z"
locale: en
meta:
description: "Niche score 55/100 · $137K/yr market · 71K searches/yr. A concentrated shelf (top 5 take 87% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $137K/yr market · 71K searches/yr. A concentrated shelf (top 5 take 87% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Garden Sun Meter — $137K/yr Amazon US Niche (2026) - Flapen"
---
# **garden sun meter**
**Worth a look**
Shows beatable incumbent ratings (4.0★), but a concentrated shelf (top 5 take 87% of clicks) keeps it on the watch list.
Market size 30Growth 83Conversion 66Competition 11Returns 74Price range 86Avg price 95Brand share 30Review moat 24Quality gap 95
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Incredible****$32.60**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.39–$59.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Great****+80.7%**
90-day search growth — must beat 0% to launch
**Returns**
**Good****2.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$137K**
$137K/yr · 71K searches
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****5,092.55**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****87%**
top-5 click share — a locked-up shelf
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United States niche tracking, garden sun meter is a $137K/yr Amazon United States market (71K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 55/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **garden sun meter market data**
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **$98K–$130K**
- units × avg price
- **Conversion rate**
- **5.9%**
- **Avg BSR**
- **#33**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **9.8%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **189 days**
## **Competition & brand share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **—flat
**Sellers**
**28**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**9%**
- EvoDevice30% - Luster Leaf25% - YAMRON21% - SONKIR6% - IRTOV5% - AquaHorti5% - Open — no brand owns it (4 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +80.7% search growth over the last 90 days.
4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 12.9×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/garden-sun-meter/trend)
## **Top garden sun meter search terms**
- **sunlight meter for gardening**19K/yr+39.9%4.7% conv. - **sunlight meter**11K/yr+67.6%4.0% conv. - **sun meter for garden**8K/yr+132.9%5.3% conv. - **gardening sunlight meter**8K/yr+266.7%3.5% conv. - **hours of sunlight meter**5K/yr+155.9%4.0% conv. - **sun meter**5K/yr+48.2%4.8% conv. - **sun calculator for garden**3K/yr+88.3%7.9% conv. - **garden sunlight meter**3K/yr+69.6%5.3% conv. - **suncalc**2K/yr+86.2%11.7% conv. - **sunlight calculator**3K/yr+50.2%4.2% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/garden-sun-meter/search-terms)
## **Top garden sun meter 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%10%$14K20%$27K30%$41K40%$55K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**EVO-20 DLI Light Meter Smart Sunlight Classifier for Garden & Landscape Use | Identifies Full Sun Partial Sun Partial Shade & Shade Based on Daily Light Integral 10 Days of DLI History**EvoDevice**$33.34**4.4★88 rev](https://www.amazon.com/dp/B0FCYDB6J2) [2**Luster Leaf 1875 Rapitest SunCalc Sunlight Calculator for Gardens Measures Full Sun Partial Sun Partial Shade and Full Shade. Designed and Engineered in the USA**Luster Leaf**$20.55**3.8★1,006 rev](https://www.amazon.com/dp/B002XZLLXU) [3**YAMRON 4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/pH Meter/Sunlight Intensity Backlight LCD Display Soil Test Meter for Gardening Farming and Outdoor Plants**YAMRON**$31.12**4.3★3,116 rev](https://www.amazon.com/dp/B0DF4TB93J) [4**SONKIR Soil pH Meter MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care Great for Garden Lawn Farm Indoor & Outdoor Use (Green)**SONKIR**$9.39**4.1★46,513 rev](https://www.amazon.com/dp/B07BR52P26) [5**4-in-1 Soil Moisture Meter Digital PH Meter/Soil Moisture/Plant Temperature/Sunlight Intensity Backlight LCD Display Soil Test Meter for Garden Lawn Plant Care Farm and Indoor Outdoor Plants**IRTOV**$28.88**4.2★1,903 rev](https://www.amazon.com/dp/B0DCNX5M45)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**EVO-20 DLI Light Meter Smart Sunlight Classifier for Garden & Landscape Use | Identifies Full Sun Partial Sun Partial Shade & Shade Based on Daily Light Integral 10 Days of DLI History**EvoDevice**$33.34**88 rev1y ago](https://www.amazon.com/dp/B0FCYDB6J2) [**DLI Sun Meter for Plants Identify Full Sun Partial Sun & Shade Measure Daily Plant Light Visualize PAR Changes Throughout the Day CSV Export 180-Day History**AquaHorti**$57.14**39 rev1y ago](https://www.amazon.com/dp/B0F7X7Y6RX) [**DLI Light Meter 2 in 1 PAR DLI Meter 400-700nm Sunlight Meter Measure PPFD and DLI (Daily Light Integral) Record and Export 5 Years of Data Light Measurement Tool for for Lawn Garden Plants**DANOPLUS**$59.32**36 rev1y ago](https://www.amazon.com/dp/B0F3X94KCZ) [**AiGerdinn Soil Moisture Meter for Plants 4-in-1 Soil Tester - pH/Fertility/Sunlight Meter Large Dial Indoor/Outdoor Plant Water Monitor Garden Soil Test Kit for Lawn Farm Houseplants**AiGerdinn**$15.01**274 rev1y ago](https://www.amazon.com/dp/B0DRHV42LQ) [**YAMRON 4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/pH Meter/Sunlight Intensity Backlight LCD Display Soil Test Meter for Gardening Farming and Outdoor Plants**YAMRON**$31.12**3,116 rev1y ago](https://www.amazon.com/dp/B0DF4TB93J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**DLI Sun Meter for Plants Identify Full Sun Partial Sun & Shade Measure Daily Plant Light Visualize PAR Changes Throughout the Day CSV Export 180-Day History**AquaHorti**$57.14**3.2★**▲ 86%**](https://www.amazon.com/dp/B0F7X7Y6RX) [**AiGerdinn Soil Moisture Meter for Plants 4-in-1 Soil Tester - pH/Fertility/Sunlight Meter Large Dial Indoor/Outdoor Plant Water Monitor Garden Soil Test Kit for Lawn Farm Houseplants**AiGerdinn**$15.01**4.3★**▲ 19%**](https://www.amazon.com/dp/B0DRHV42LQ) [**EVO-20 DLI Light Meter Smart Sunlight Classifier for Garden & Landscape Use | Identifies Full Sun Partial Sun Partial Shade & Shade Based on Daily Light Integral 10 Days of DLI History**EvoDevice**$33.34**4.4★**▲ 18%**](https://www.amazon.com/dp/B0FCYDB6J2) [**DLI Light Meter 2 in 1 PAR DLI Meter 400-700nm Sunlight Meter Measure PPFD and DLI (Daily Light Integral) Record and Export 5 Years of Data Light Measurement Tool for for Lawn Garden Plants**DANOPLUS**$59.32**4.0★**▲ 10%**](https://www.amazon.com/dp/B0F3X94KCZ) [**4-in-1 Soil Moisture Meter Digital PH Meter/Soil Moisture/Plant Temperature/Sunlight Intensity Backlight LCD Display Soil Test Meter for Garden Lawn Plant Care Farm and Indoor Outdoor Plants**IRTOV**$28.88**4.2★**— 3%**](https://www.amazon.com/dp/B0DCNX5M45)
**~~View all trending →~~**
## **What buyers say about garden sun meter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**24%
*“Easy to read”*
**Plant Growth**12%
*“Its a great device to assist with plant care”*
**Quality-Overall**11%
*“Great tool”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Value For Money**7%
*“worth every penny”*
**Moist/Dry**6%
*“the moisture one works great”*
**Measurement/Reading Accuracy**6%
*“It remained accurate”*
**Battery Life**2%
*“No batteries needed, simple to use, and very reliable”*
**Efficiency**1%
*“Works perfectly”*
**Durability**1%
*“Easy to use and durable”*
### **What buyers complain about **
**Measurement/Reading Accuracy**30%
*“not sure it is accurate”*
**Functionality-Overall**14%
*“Did not work”*
**Durability**10%
*“Broke very easily”*
**Quality-Overall**7%
*“Poor quality”*
**Instructions/User Manual/Troubleshooting**5%
*“Instructions very poor or nonexistent”*
**Value For Money**5%
*“Disappointing cuz these arent the cheapest”*
**Moist/Dry**3%
*“was dry as a bone”*
**Plant Growth**2%
*“Plants already died from incorrect PH”*
**Battery Life**2%
*“Changing the battery is a bit of a nuisance”*
**Water Resistance**2%
*“Not water proof”*
### **Top return reasons **
**Measurement/Reading Accuracy**39%
**Functionality-Overall**29%
**Advertised Vs Actual Product**7%
**Defective Material/Parts**5%
**Value For Money**4%
**Durability**2%
**Quality-Overall**2%
**Size-Overall**2%
**Ease Of Use**1%
**Instructions/User Manual/Troubleshooting**1%
## **Common questions**
- **Is garden sun meter profitable to sell on Amazon United States?**
- The niche generates $137K/yr across 11 tracked products. 90-day search growth is +80.7%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the garden sun meter niche?**
- 10 brands and 28 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in garden sun meter?**
- Top complaints mined from reviews: Measurement/Reading Accuracy, Functionality-Overall, Durability. The return rate is 2.0%.
- **When does demand for garden sun meter peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 12.9× the quietest.
- **What does it cost to enter the garden sun meter niche?**
- Listings span $9.39–$59.32; the average listing price is $32.60 (sweet spot $15–$100). The average incumbent carries 5,093 reviews — the moat a new listing must climb.
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