blue hydrangea fertilizer
Worth a lookShows low returns (0.4%), but a small market ($24K/yr) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Growth
Incredible+145.7%90-day search growth — must beat 0% to launch
Avg price
Great$19.72avg listing price — sweet spot $15–$100
Price range
Great$9.92–$43.03cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.2%search→purchase rate — share of searches ending in a sale
Review moat
Good779.57avg incumbent reviews — the moat a new listing must climb
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad78%top-5 click share — a locked-up shelf
Market size
Bad$24K$24K/yr · 15K searches
According to Flapen's Amazon United States niche tracking, blue hydrangea fertilizer is a $24K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
blue hydrangea fertilizer market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $30K–$39K
- units × avg price
- Conversion rate
- 8.2%
- Avg BSR
- #443
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 86%
- Out of stock
- 1.5%
- Avg brand age
- 69 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 flat
Sellers
53
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
13%
- TPS NUTRIENTS22%
- Espoma19%
- Grow More16%
- Earth Science13%
- Jobe's Organics9%
- GARDENWISE7%
- Open — no brand owns it (6 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 100 weeks — +145.7% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 38.8×
Top blue hydrangea fertilizer search terms
- blue hydrangea fertilizer5K/yr
- hydrangea fertilizer to turn blue7K/yr
- hydrangea blue fertilizer2K/yr
Top blue hydrangea fertilizer 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz
TPS NUTRIENTS$11.624.5★1,176 rev
Espoma Organic Soil Acidifier Soil Amendment; Lowers Soil pH and Turns Hydrangeas Blue! Contains Elemental Sulfur and can be Used for Organic Gardening 6 lb. Bag - Pack of 2
Espoma$27.184.7★293 rev
Grow More Hydrangea Blueing Formula - 2lbs of USA-Made Soil Acidifier for Hydrangeas Azaleas Gardenias & Many More - Contains Aluminum Sulfate that Enhances Color Change for Soil and Potted Plants
Grow More$17.204.4★637 rev
Earth Science Fast Acting Sulfur Granules 5lb Reduces Soil pH and Nutrient Runoff Improves Growth & Color for Acid-Loving Plants Long-Lasting Lawn Care Supplement
Earth Science$22.784.6★869 rev
Jobes Organics Granular Soil Amendment Organic Soil Acidifier for Blueberry and Hydrangea Plants 6 lbs Bag
Jobe's Organics$20.974.6★3,338 rev
Newest
by launch date
GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)
GARDENWISE$9.92568 rev
GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur Indoor & Outdoor Soil Acidifier for Miracle Growth (1/2 qt)
GARDENWISE$13.45568 rev
32oz Hydrangea Fertilizer - Makes 32 Gallons of Hydrangea Plant Food Hydrangeas Indoor Plant Fertilizer Liquid for Lush Growth Strong Stems and Vibrant Blooms Nutrient-Rich Flower Food
HiThrive$17.8985 rev
Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz
TPS NUTRIENTS$11.621,176 rev
EZ-GRO Hydrangea Fertilizer Liquid Plant Food 21-7-7 with Aluminum Sulfate for Hydrangeas - Perfect for Blue Flowers | Rhododendrons & Azalea Fertilizer Ideal Hydroponic Nutrients - 1 qt (32 oz).
EZ-gro WE MAKE GROWING EASY$18.53113 rev
Trending
90-day click momentum32oz Hydrangea Fertilizer - Makes 32 Gallons of Hydrangea Plant Food Hydrangeas Indoor Plant Fertilizer Liquid for Lush Growth Strong Stems and Vibrant Blooms Nutrient-Rich Flower Food
HiThrive$17.894.6★
Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.
Miracle-Gro$20.724.8★
Espoma Organic Soil Acidifier Soil Amendment; Lowers Soil pH and Turns Hydrangeas Blue! Contains Elemental Sulfur and can be Used for Organic Gardening 6 lb. Bag - Pack of 2
Espoma$27.184.7★
Hoffman Blue Magic Aluminum Sulfate
Hoffman$19.624.6★
Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz
TPS NUTRIENTS$11.624.5★
What buyers say about blue hydrangea fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“Helped the plants tremendously”
“Terrific fertilizer”
“a beautiful blue”
“Worked as advertised”
“Easy to use”
“Good value”
“good value for the size of the bottle”
“Perfect for reducing ph”
“Hydrangea fertilizer”
“Seems to be working”
What buyers complain about
“it will not flower”
“not worth the money for the amount you get”
“My plants started out blue and turned pink”
“Doesn't work”
“Terrible:”
“I was surprised at the small size of the package”
“Waste”
“Whatever type of material that is used doesnt grip the other side of the bag”
“drying up when I brought them home”
“I didnt measure”
Top return reasons
Common questions
- Is blue hydrangea fertilizer profitable to sell on Amazon United States?
- The niche generates $24K/yr across 14 tracked products. 90-day search growth is +145.7%. Flapen's verdict: Worth a look (55/100).
- How competitive is the blue hydrangea fertilizer niche?
- 12 brands and 53 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in blue hydrangea fertilizer?
- Top complaints mined from reviews: Plant Growth, Value For Money, Color. The return rate is 0.4%.
- When does demand for blue hydrangea fertilizer peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 38.8× the quietest.
- What does it cost to enter the blue hydrangea fertilizer niche?
- Listings span $9.92–$43.03; the average listing price is $19.72 (sweet spot $15–$100). The average incumbent carries 780 reviews — the moat a new listing must climb.