---
title: "Black Gold Seed Starting Mix — $122K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/black-gold-seed-starting-mix"
last_updated: "2026-08-09T13:19:38.129Z"
locale: en
meta:
description: "Niche score 41/100 · $122K/yr market · 51K searches/yr · $28.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $122K/yr market · 51K searches/yr · $28.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Gold Seed Starting Mix — $122K/yr Amazon US Niche (2026) - Flapen"
---
# **black gold seed starting mix**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 7Conversion 81Competition 17Returns 100Price range 81Avg price 95Brand share 0Review moat 80Quality gap 24
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$28.53**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****8.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$7.65–$48.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****399.5**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$122K**
$122K/yr · 51K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-35.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, black gold seed starting mix is a $122K/yr Amazon United States market (51K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 41/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black gold seed starting mix market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$143K–$171K**
- units × avg price
- **Conversion rate**
- **8.4%**
- **Avg BSR**
- **#989**
- **Page quality**
- **0%**
- **Prime**
- **21%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**57**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**0%**
- Sun Gro51% - SUN GRO49% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 20 weeks — -35.4% search growth over the last 90 days.
2K1KSpike '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/black-gold-seed-starting-mix/trend)
## **Top black gold seed starting mix search terms**
- **black gold potting soil**22K/yr+35.1%5.1% conv. - **black gold soil**7K/yr-31.0%3.7% conv. - **black gold seedling mix**5K/yr-45.8%14.3% conv. - **black gold seed starting mix**10K/yr-85.9%14.1% conv. - **sungro horticulture**6K/yr-84.4%2.4% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/black-gold-seed-starting-mix/search-terms)
## **Top black gold seed starting mix 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%$12K20%$24K30%$36K40%$49K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SunGro Horticulture Seedling Mix - Organic Seed Starting Mix - 8 Quart - Lime Perlite Sphagnum Peat Moss**Sun Gro**$7.65**4.6★1,135 rev](https://www.amazon.com/dp/B00QV52VLE) [2**Black Gold Potting Mix - Natural & Organic Indoor Use Bulk Potting Soil - 16 Qt - Organic Material**SUN GRO**$21.08**4.8★47 rev](https://www.amazon.com/dp/B00SPMEKEW) [3**Black Gold Potting Soil - Organic Indoor/Outdoor Black Potting Soil - 16 Qt (2 Bags) - Earthworm Castings Pumice Sphagnum Peat Moss Perlite**Sun Gro**$32.04**4.4★44 rev](https://www.amazon.com/dp/B077ZCM8TF) [4**Black Gold Potting Soil - Organic Indoor/Outdoor Bulk - 16 Quart (3 Pack) - Earthworm Castings Pumice Sphagnum Peat Moss Perlite**Sun Gro**$37.84**4.7★21 rev](https://www.amazon.com/dp/B077ZDSP4Y) [5**SunGro Horticulture Potting Soil - All Purpose with Control - 16 Quart - Worm Castings Pumice Peat Moss**SUN GRO**$19.57**4.6★1,958 rev](https://www.amazon.com/dp/B005IZ2SSE)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Black Gold Potting Mix - Natural & Organic Indoor Use Bulk Potting Soil - 16 Qt - Organic Material**SUN GRO**$21.08**47 rev3y ago](https://www.amazon.com/dp/B00SPMEKEW) [**SunGro Horticulture Soil and Soil Amendments - Natural Organic Potting Soil - 2 Cu Ft - Peat Moss Perlite**SUN GRO**$40.25**17 rev4y ago](https://www.amazon.com/dp/B093TF6XL3) [**Sun Gro Black Gold Seeds or Cutting Seedling Germination Mix 16 Quart (4 Pack)**SUN GRO**$48.39**66 rev5y ago](https://www.amazon.com/dp/B08H8SMVTY) [**SunGro Horticulture Cactus Mix Soil - Fast Draining Nutrient Rich - 8 qt (2 Pack) - Earthworm Castings Pumice Perlite**SUN GRO**$24.07**309 rev8y ago](https://www.amazon.com/dp/B07DNV39XR) [**SunGro Horticulture Seedling Mix - Seed Starting Soil - 16 Qt - Organic Material**SUN GRO**$29.84**85 rev8y ago](https://www.amazon.com/dp/B079LHQDNW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Black Gold Potting Soil - Organic Indoor/Outdoor Bulk - 16 Quart (3 Pack) - Earthworm Castings Pumice Sphagnum Peat Moss Perlite**Sun Gro**$37.84**4.7★**▲ 168%**](https://www.amazon.com/dp/B077ZDSP4Y) [**Black Gold Potting Soil - Organic Indoor/Outdoor Black Potting Soil - 16 Qt (2 Bags) - Earthworm Castings Pumice Sphagnum Peat Moss Perlite**Sun Gro**$32.04**4.4★**▲ 127%**](https://www.amazon.com/dp/B077ZCM8TF) [**SunGro Horticulture Potting Mix - All Purpose with Fertilizer Potting Soil - 1 Cu Ft - Plastic**SUN GRO**$26.57**4.9★**▲ 42%**](https://www.amazon.com/dp/B007VSXASS) [**Black Gold Potting Mix - Natural & Organic Indoor Use Bulk Potting Soil - 16 Qt - Organic Material**SUN GRO**$21.08**4.8★**▲ 34%**](https://www.amazon.com/dp/B00SPMEKEW) [**SunGro Horticulture Cactus Mix Soil - Fast Draining Nutrient Rich - 8 qt (2 Pack) - Earthworm Castings Pumice Perlite**SUN GRO**$24.07**4.5★**▲ 34%**](https://www.amazon.com/dp/B07DNV39XR)
**~~View all trending →~~**
## **What buyers say about black gold seed starting mix**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**38%
*“Things grow beautifully in it”*
**Quality-Overall**16%
*“Soil quality and richness is top notch”*
**Value For Money**10%
*“Good value for the money”*
**Weight Light**10%
*“It not heavy soil”*
**Drainage**3%
*“Great for drainage”*
**Suitable For Indoor**3%
*“Great for indoor plants”*
**Advertised Vs Actual Product**3%
*“Product is exactly what I Ordered”*
**Material Quality**3%
*“This is very Fluffy soil”*
**Soft Feel**3%
*“This is fluffy stuff”*
**Ease Of Use**3%
*“Easy to use”*
### **What buyers complain about **
**Plant Growth**25%
*“And I have already lost seedlings as the soil dries out so fast that you barely get 24 hours between necessary waterings”*
**Value For Money**20%
*“Waste of Money”*
**Thickness**10%
*“Not a lot of chunky stuff, like twigs”*
**Pest/Insect Control**7%
*“Have had tremendous problems with fungus gnats for over a year from a well known brand potting soil in the green bag”*
**Advertised Vs Actual Product**5%
*“This is not the same as I have bought in past”*
**Quality-Overall**5%
*“This new batch is all going into trash”*
**Weight Light**5%
*“So light and fluffy that it doesn't feel substantial”*
### **Top return reasons **
**Product Condition**21%
**Value For Money**16%
**Size-Overall**16%
**Advertised Vs Actual Product**11%
**Smell**8%
**Moist/Dry**8%
**Contamination**5%
**Leak-Proof**5%
**Eco Friendliness**5%
**Defective Material/Parts**5%
## **Common questions**
- **Is black gold seed starting mix profitable to sell on Amazon United States?**
- The niche generates $122K/yr across 14 tracked products. 90-day search growth is -35.4%. Flapen's verdict: Skip it (41/100).
- **How competitive is the black gold seed starting mix niche?**
- 2 brands and 57 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in black gold seed starting mix?**
- Top complaints mined from reviews: Plant Growth, Value For Money, Thickness. The return rate is 0.1%.
- **What does it cost to enter the black gold seed starting mix niche?**
- Listings span $7.65–$48.39; the average listing price is $28.53 (sweet spot $15–$100). The average incumbent carries 400 reviews — the moat a new listing must climb.
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