Is silica for plants profitable to sell on Amazon United States?

The niche generates $186K/yr across 12 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +5.5%. Flapen's verdict: Skip it (45/100).

How competitive is the silica for plants niche?

8 brands and 23 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in silica for plants?

Top complaints mined from reviews: Plant Growth, Maintenance And Repair, Value For Money. The return rate is 0.6%.

When does demand for silica for plants peak?

Demand peaks in Aug; the busiest month runs 1.6× the quietest.

What does it cost to enter the silica for plants niche?

Listings span $9.89–$27.28; the average listing price is $18.58 (sweet spot $15–$100). The average incumbent carries 1,099 reviews — the moat a new listing must climb.

silica for plants

Skip it

A concentrated shelf (top 5 take 85% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Great11.3%

search→purchase rate — share of searches ending in a sale

Avg price

Great$18.58

avg listing price — sweet spot $15–$100

Price range

Good$9.89–$27.28

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good1,099.25

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$186K

$186K/yr · 89K searches

Growth

Okay+5.5%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad94%

top-5 brand share — brand-locked demand

Competition

Bad85%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, silica for plants is a $186K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Aug. Verdict: Skip it — 45/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

silica for plants market data

Units sold / yr: 6K–8K; avg 500–750/product
Revenue / yr: $111K–$149K; units × avg price
Conversion rate: 11.3%
Avg BSR: #887
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 0.0%
Avg brand age: 87 months
Avg seller age: 169 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

TPS NUTRIENTS56%
Bloom City25%
Botanicare8%
DL Wholesale3%
VIVOSUN2%
Humboldts Secret2%
Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.5% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 1.6×

Open Trend

Top silica for plants search terms

silica for plants78K/yr +4.1%8.7% conv.
plant silica7K/yr +10.8%8.1% conv.
liquid silica for plants3K/yr +30.1%10.4% conv.

All search terms

Top silica for plants 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

TPS NUTRIENTS Silica for Plants Boost Strength & Resilience Stronger Stems & Healthier Leaves - 8 oz (250mL)

TPS NUTRIENTS$12.234.7★648 rev

Bloom City Liquid Silica Boost Fertilizer and Supplement 1/2 Pint (8 oz) Concentrated Makes 45 Gallons

Bloom City$12.844.7★2,013 rev

TPS NUTRIENTS Silica Gold Plant Strength Nutrient and Supplement with Bioavailable Silicon 1 Quart (32 oz)

TPS NUTRIENTS$21.284.8★1,812 rev

Botanicare Silica Blast Plant Supplement 0-0-0.5 1 qt.

Botanicare$19.124.7★2,989 rev

Pro Powders Silica Potassium Silicate 1LB Powder - Makes up to 900 Gallons - Stengthens Branches & Nutrient Delivery System & Reduces Stress

DL Wholesale$25.154.7★54 rev

Newest

by launch date

Silica Armour Soluble Silica Plant Supplement with Fulvic Acid & Calcium for Stronger Stems & Stress Resistance Concentrated Garden Nutrient 2 oz

Happy Bunny Farms$9.894 rev

4mo ago

Pro Powders Silica Potassium Silicate 1LB Powder - Makes up to 900 Gallons - Stengthens Branches & Nutrient Delivery System & Reduces Stress

DL Wholesale$25.1554 rev

7mo ago

VIVOSUN StemX (0-0-2) Silica for Plants Soluble Liquid Silicon Plant Supplement Fertilizer Nutrient Solution for Strong Stems and Healthy Leaves Boost Resilience pH Balance 8 oz

VIVOSUN$14.7352 rev

11mo ago

TPS NUTRIENTS Silica for Plants Boost Strength & Resilience Stronger Stems & Healthier Leaves - 8 oz (250mL)

TPS NUTRIENTS$12.23648 rev

2y ago

Silica for Plants Liquid Silicon Plant Food for Strong Stems and Healthy Leaves Liquid Plant Fertilizer 32 oz (1 Quart)

TPS NUTRIENTS$19.70648 rev

2y ago

What buyers say about silica for plants

What buyers praise and complain about, mined from review topics.

What buyers love

Plant Growth36%

“growth stayed steady”

Quality-Overall12%

“the powder appears to be good quality”

Ease Of Use12%

“Easy to use”

Value For Money10%

“Good product for the price”

Strength4%

“It helps to strengthen the stems”

Durability3%

“Great product, effectiveness remains to be seen”

Size-Overall2%

“It fits into a normal routine”

Minerals2%

“Its a good amount of silica”

Smell2%

“has no odor”

Advertised Vs Actual Product2%

“Just as described”

What buyers complain about

Plant Growth20%

“was told repeatedly that over time the build up of silica causes nutrient block out where your plants aren't able to get any nutrients from the soil”

Maintenance And Repair10%

“These bottle item need a cap or the whole thing replace”

Value For Money10%

“not sure if it worth the money”

Size-Overall10%

“I see the stem more bigger than other ones I run before that's why let see how it work for me”

Leak-Proof10%

“Shipped a leaking bottle knowingly”

Flexibility5%

“will not bend”

Jamming/Clogging3%

“it clumping up or clogging your sprayer”

Thickness2%

“Stems feel thicker”

Top return reasons

Leak-Proof60%

Advertised Vs Actual Product8%

Functionality-Overall7%

Value For Money6%

Size-Overall4%

Plant Growth2%

Product Condition2%

Mechanism Issues2%

Moist/Dry1%

Quality-Overall1%

Common questions

Is silica for plants profitable to sell on Amazon United States?: The niche generates $186K/yr across 12 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +5.5%. Flapen's verdict: Skip it (45/100).
How competitive is the silica for plants niche?: 8 brands and 23 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in silica for plants?: Top complaints mined from reviews: Plant Growth, Maintenance And Repair, Value For Money. The return rate is 0.6%.
When does demand for silica for plants peak?: Demand peaks in Aug; the busiest month runs 1.6× the quietest.
What does it cost to enter the silica for plants niche?: Listings span $9.89–$27.28; the average listing price is $18.58 (sweet spot $15–$100). The average incumbent carries 1,099 reviews — the moat a new listing must climb.