hydrangea fertilizer
Worth a lookShows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Growth
Incredible+188.3%90-day search growth — must beat 0% to launch
Conversion
Incredible12.7%search→purchase rate — share of searches ending in a sale
Avg price
Great$17.53avg listing price — sweet spot $15–$100
Review moat
Good604.6avg incumbent reviews — the moat a new listing must climb
Price range
Good$9.91–$27.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$553K$553K/yr · 248K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad92%top-5 brand share — brand-locked demand
Competition
Bad80%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, hydrangea fertilizer is a $553K/yr Amazon United States market (248K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Worth a look — 62/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
hydrangea fertilizer market data
- Units sold / yr
- 30K–40K
- avg 2,000–2,500/product
- Revenue / yr
- $526K–$701K
- units × avg price
- Conversion rate
- 12.7%
- Avg BSR
- #178
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 90%
- Out of stock
- 0.0%
- Avg brand age
- 95 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
32
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
80%
Top 20: 100%
Open market
3%
- TPS NUTRIENTS56%
- GARDENWISE18%
- Espoma7%
- Earth Science7%
- Miracle-Gro5%
- HiThrive4%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +188.3% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 34.0×
Top hydrangea fertilizer search terms
- hydrangea fertilizer161K/yr
- hydrangea food20K/yr
- best fertilizer for hydrangeas18K/yr
- fertilizer for hydrangeas13K/yr
- hydrangea bloom booster7K/yr
- hydrangea fertilizer outdoor4K/yr
- best fertilizer for hydrangea blooms4K/yr
- hydrangea plant food3K/yr
- fertilizer for hydrangea blooms3K/yr
- hydrangea food fertilizer3K/yr
Top 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 10 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
GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)
GARDENWISE$9.924.4★568 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
Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 32 oz
TPS NUTRIENTS$23.344.5★1,176 rev
Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.
Miracle-Gro$20.724.8★643 rev
Newest
by launch date
Hydrangea Fertilizer - Nursery Grade - Controlled Release - Works on All Varieties of Hydrangeas (6 oz.)
Flora's Market$9.91198 rev
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
16oz Hydrangea Fertilizer - Makes 16 Gallons of Hydrangea Plant Food Hydrangeas Indoor Plant Fertilizer Liquid for Lush Growth Strong Stems and Vibrant Blooms Nutrient-Rich Flower Food
HiThrive$12.9285 rev
Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz
TPS NUTRIENTS$11.621,176 rev
Trending
90-day click momentum
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★
Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 32 oz
TPS NUTRIENTS$23.344.5★
Espoma Organic Holly-Tone 4-3-4 Natural & Organic Evergreen & Azalea Plant Food; 4 lb. Bag; The Original & Best Fertilizer for All Acid Loving Plants Including Rhododendrons & Hydrangeas. Pack of 2
Espoma$23.514.8★
Hydrangea Fertilizer Liquid Plant Food for Bigger Blooms Rich Flower Color & Stronger Root Development 8 oz
TPS NUTRIENTS$11.624.5★
Miracle-Gro Water Soluble Azalea Camellia Rhododendron Plant Food 5 lb.
Miracle-Gro$20.724.8★
What buyers say about hydrangea fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“So much new growth”
“Good produvt”
“Worked as advertised”
“Good value”
“a beautiful blue”
“Easy to use with results after a week already”
“Strong”
“plants look fantastic”
“Works great for hydrangeas”
“Perfect size for my raised bed garden”
What buyers complain about
“it will not flower”
“not worth the money for the amount you get”
“they are huge”
“Doesn't work”
“Terrible:”
“Closure leaked and clogged”
“Will not change the color of your Hydrangeas”
“drying up when I brought them home”
“Whatever type of material that is used doesnt grip the other side of the bag”
“Waste”
Top return reasons
Common questions
- Is hydrangea fertilizer profitable to sell on Amazon United States?
- The niche generates $553K/yr across 10 tracked products. 90-day search growth is +188.3%. Flapen's verdict: Worth a look (62/100).
- How competitive is the hydrangea fertilizer niche?
- 7 brands and 32 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in hydrangea fertilizer?
- Top complaints mined from reviews: Plant Growth, Value For Money, Size-Overall. The return rate is 0.3%.
- When does demand for hydrangea fertilizer peak?
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 34.0× the quietest.
- What does it cost to enter the hydrangea fertilizer niche?
- Listings span $9.91–$27.18; the average listing price is $17.53 (sweet spot $15–$100). The average incumbent carries 605 reviews — the moat a new listing must climb.