Is gardenia fertilizers profitable to sell on Amazon United States?

The niche generates $138K/yr across 7 tracked products. 90-day search growth is +103.0%. Flapen's verdict: Worth a look (54/100).

How competitive is the gardenia fertilizers niche?

7 brands and 10 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in gardenia fertilizers?

Top complaints mined from reviews: Plant Growth, Size-Overall, Advertised Vs Actual Product. The return rate is 0.4%.

When does demand for gardenia fertilizers peak?

Demand peaks in Apr–May–Jun; the busiest month runs 14.3× the quietest.

What does it cost to enter the gardenia fertilizers niche?

Listings span $9.94–$20.72; the average listing price is $14.41 (sweet spot $15–$100). The average incumbent carries 1,163 reviews — the moat a new listing must climb.

gardenia fertilizers

Worth a look

Shows low returns (0.4%), but a concentrated shelf (top 5 take 91% of clicks) keeps it on the watch list.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Incredible15.4%

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

Growth

Great+103.0%

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

Avg price

Good$14.41

avg listing price — sweet spot $15–$100

Review moat

Good1,163.14

avg incumbent reviews — the moat a new listing must climb

Price range

Good$9.94–$20.72

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$138K

$138K/yr · 62K searches

Brand share

Bad91%

top-5 brand share — brand-locked demand

Competition

Bad91%

top-5 click share — a locked-up shelf

Signals Trending

According to Flapen's Amazon United States niche tracking, gardenia fertilizers is a $138K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 54/100.

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

gardenia fertilizers market data

Units sold / yr: 8K–10K; avg 1,000–1,250/product
Revenue / yr: $115K–$144K; units × avg price
Conversion rate: 15.4%
Avg BSR: #374
Page quality: 0%
Prime: 86%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 90 months
Avg seller age: 147 days

Competition & brand share

The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

TPS NUTRIENTS50%
GARDENWISE21%
PERFECT PLANTS7%
Leaves and Soul7%
Miracle-Gro5%
SouthernGRO5%
Open — no brand owns it (1 brand, 4%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +103.0% search growth over the last 90 days.

Peak months: Apr, May, Jun · busiest ÷ quietest = 14.3×

Open Trend

Top gardenia fertilizers search terms

gardenia fertilizer38K/yr +105.6%15.0% conv.
gardenia fertilizer outdoor4K/yr +71.3%14.9% conv.
gardinia fertilizer3K/yr +148.2%16.5% conv.
gardenia food3K/yr +127.7%14.1% conv.
fertilizer for gardenias3K/yr +86.5%14.0% conv.
acidic fertilizer for gardenias3K/yr +168.9%13.5% conv.
gardenia plant food3K/yr +60.2%15.0% conv.
best fertilizer for gardenia2K/yr +126.9%7.6% conv.
best fertilizer for gardenias2K/yr +29.8%6.5% conv.

All search terms

Top gardenia fertilizers 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 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Gardenia Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz

TPS NUTRIENTS$11.834.5★663 rev

GARDENWISE 8-4-8 Acidic Fertilizer for Azaleas Camellias (Camelia) Hydrangeas Blueberries Gardenias Magnolia Trees Evergreens and Rhododendrons - Ideal Iron-Rich Plant Food (12 OZ)

GARDENWISE$9.944.4★912 rev

Perfect Plants Gardenia Liquid Fertilizer | 8oz. Tailored Bloom Boosting Plant Food | Great for Indoor Outdoor Flowering Plants

PERFECT PLANTS$15.204.4★1,983 rev

Professional Liquid Gardenia Fertilizer 3-1-2 Concentrate 8 oz Premium Gardenia Plant Food for Indoor and Outdoor Flowering Plants Liquid Fertilizer for Gardenias Made in USA

Leaves and Soul$15.274.4★3,495 rev

Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.

Miracle-Gro$20.724.8★643 rev

Newest

by launch date

16oz Gardenia Fertilizer - Makes 96 Gallons of Indoor Plant Food for Gardenia Plants Live Nutrient-Rich Outdoor & Indoor Plant Fertilizer Flower Food for Vibrant Growth and Beautiful Blooms

HiThrive$12.92219 rev

2y ago

GARDENWISE 8-4-8 Acidic Fertilizer for Azaleas Camellias (Camelia) Hydrangeas Blueberries Gardenias Magnolia Trees Evergreens and Rhododendrons - Ideal Iron-Rich Plant Food (12 OZ)

GARDENWISE$9.94912 rev

2y ago

Gardenia Fertilizer Liquid Plant Food for More Blooms Rich Green Leaves & Stronger Root Development 8 oz

TPS NUTRIENTS$11.83663 rev

3y ago

SouthernGRO Azaleas Camellia Gardenia Fertilizer 04-08-08 4lb Bag for Healthier Plants Greener Foliage Deep Root Growth Premium Quality Lawn Garden Food Plot Nutrition Booster

SouthernGRO$14.97227 rev

3y ago

Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.

Miracle-Gro$20.72643 rev

4y ago

What buyers say about gardenia fertilizers

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

What buyers love

Plant Growth57%

“Healthy New Growth”

Quality-Overall17%

“Great fertilizer”

Ease Of Use8%

“Easy to Use”

Advertised Vs Actual Product4%

“As described”

Value For Money3%

“Worth the investment”

Gifting Purpose2%

“GIFT”

Instructions/User Manual/Troubleshooting2%

“Followed all instructions”

Smell2%

“They have great white flowers that smell very good”

Strength1%

“It's really effective”

Size-Overall1%

“Convenient Package Size”

What buyers complain about

Plant Growth32%

“I didnt see any results on my plants”

Size-Overall29%

“The bag is very small”

Advertised Vs Actual Product6%

“The picture on the Amazon site looks like a much larger bag”

Value For Money5%

“Lost my money”

Grip5%

“Whatever type of material that is used doesnt grip the other side of the bag”

Pest/Insect Control5%

“Had inborn gnats”

Durability2%

“They started failing on the 2nd day after purchase”

Leak-Proof2%

“Closure leaked and clogged”

Quality-Overall2%

“Terrible:”

Instructions/User Manual/Troubleshooting2%

“To small Directions on Packaging”

Top return reasons

Size-Overall34%

Advertised Vs Actual Product14%

Value For Money14%

Leak-Proof10%

Functionality-Overall10%

Plant Growth9%

Moist/Dry2%

Contamination1%

Eco Friendliness1%

Durability1%

Common questions

Is gardenia fertilizers profitable to sell on Amazon United States?: The niche generates $138K/yr across 7 tracked products. 90-day search growth is +103.0%. Flapen's verdict: Worth a look (54/100).
How competitive is the gardenia fertilizers niche?: 7 brands and 10 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in gardenia fertilizers?: Top complaints mined from reviews: Plant Growth, Size-Overall, Advertised Vs Actual Product. The return rate is 0.4%.
When does demand for gardenia fertilizers peak?: Demand peaks in Apr–May–Jun; the busiest month runs 14.3× the quietest.
What does it cost to enter the gardenia fertilizers niche?: Listings span $9.94–$20.72; the average listing price is $14.41 (sweet spot $15–$100). The average incumbent carries 1,163 reviews — the moat a new listing must climb.