10 Best fertilizer for hydrangeas to blooms of 2025

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Best Choice

1

Farmer's Secret
Farmer’s Secret Fruit & Bloom Booster Fertilizer (32oz) - Super Concentrated - Increases Flowering and Yield on All Varieties of Fruits, Vegetables and Flowers
Main highlights

Key Features and Benefits
Boosts plant growth by enhancing root nutrient uptake. Ultra-concentrated formula ensures longevity. Designed for diverse flowering and fruiting plants.

Ideal Use Cases
Perfect for citrus trees, avocados, berries, melons, roses, petunias. Works across a broad range of flower, fruit, and vegetable producers.

Customer Reviews Summary
Highly praised for producing vibrant and abundant blooms and fruits, with noticeable improvements in plant health and yield.
9.8

Exceptional

Our Rating

9.9
Simple to use

9.5
worth the money

8.0
Aroma
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Value for Money

2

Earth Science

Earth Science Fast Acting Sulfur – 5lb Soil pH Reducer, Lowers pH Instantly, Reduces Nutrient Runoff, Improves Growth & Color for Acid-Loving Plants, Long-Lasting Lawn Care Flower Bee Supplement
9.6

Exceptional

Our Rating
3

TPS NUTRIENTS
TPS NUTRIENTS Hydrangea Fertilizer for Acid Loving Plants, Liquid Plant Food 8 oz (250mL)

16% Off
Main highlights

Key Features
Specially formulated for acid-loving plants, enhances color vibrancy and root growth, ensuring lush, vibrant hydrangeas and healthy soil.

Ideal Use Cases
Perfect for gardeners aiming to boost their hydrangeas or azaleas` bloom quality and longevity, especially in acidic soil environments.

Customer Reviews
Most reviews highlight its effectiveness in noticeably enhancing the bloom size and color intensity, with fast results and healthier plant growth.
9.5

Excellent

Our Rating
4

GARDENWISE

GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (1/2 qt)
9.3

Excellent

Our Rating
5

Miracle-Gro

Miracle-Gro Water Soluble Bloom Booster Flower Food, Plant Food for Annual and Perennial Flowers, In-Ground and Container Plants, Roses, Hydrangeas, Hibiscus, 5.5 lb.
9.2

Excellent

Our Rating

9.7
Easy to use

9.1
worth the money

9.1
Simple to use
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6

Jack's Classic
Jack's Classic 7-3-3 Hydrangea Blue Water-Soluble Fertilizer with Micronutrients to Enhance Blue Flowers, 1.5lbs
Main highlights

Robust and Ergonomic Design
Features heavy-duty metal construction, flow control, and slip-resistant grip. Ensures durability, precision, and comfort. Made in the USA.

Ideal Use Cases
Perfect for rigorous gardening tasks, washing vehicles, and outdoor cleaning. Performs exceptionally in demanding environments.

Customer Praise
Reviewers frequently highlight its durability and ease of use as the product`s most commendable attributes.
9.1

Excellent

Our Rating

9.7
Simple to use

9.5
Easy to use

9.1
worth the money
7

EZ-gro WE MAKE GROWING EASY
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).
Main highlights

Key Features and Benefits
Specially formulated for acid-loving plants, offering optimal nutrition for vibrant blossoms with its concentrated liquid and enhanced micro-nutrient package.

Ideal Use Cases
Perfect for hydrangeas, rhododendrons, azaleas, camellias, gardenias, and orchids, ensuring large, beautiful blooms through targeted nutrition.

Customer Reviews Highlight
Users rave about the dramatic improvement in bloom size and health, crediting the easy-to-use, effective formula for their plants` transformation.
Key specs
- Product Dimensions:7.5 x 5 x 2 inches
- NPK Ratio:21-7-7
- Item Form:Liquid
- Ingredients:Micro-nutrient Package
- Coverage:Full
9.0

Excellent

Our Rating
8

Miracle-Gro
Miracle-Gro 1-Pound 1360011 Water Soluble Bloom Booster Flower Food, 10-52-10, 1 Pack

46% Off
Main highlights

Key Features
Instantly feeds all blooming plants, ensuring beautiful results. Prevents overfeeding and burning, promoting healthy growth when used bi-weekly.

Ideal Use Cases
Perfect for gardeners seeking to enhance the bloom of their plants, especially suited for flowers and ornamentals requiring frequent feeding.

Customer Praise
Reviewers often highlight the product`s ease of use and effectiveness, noting significant improvements in their plants` health and blooms.
8.8

Very Good

Our Rating

9.9
Simple to use

9.9
Easy to use

9.5
worth the money
9

PERFECT PLANTS

Premium Liquid Hydrangea Fertilizer by Perfect Plants | Bloom Booster | Fertilizer for Hydrangeas and Other Flowering Plants (8 fl oz)
8.6

Very Good

Our Rating
10

Leaves and Soul

Leaves and Soul Hydrangea Professional Liquid Fertilizer - Complete 3-5-4 Nutrient Blend Concentrate for Enhanced Blooming & Growth - Perfect for Garden & Indoor Plants - New & Improved Blend - 8 oz
8.5

Good

Our Rating

10 Best fertilizer for hydrangeas to blooms of 2025

1

Farmer’s Secret Fruit & Bloom Booster Fertilizer (32oz) - Super Concentrated - Increases Flowering and Yield on All Varieties of Fruits, Vegetables and Flowers

9.9

9.5

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

Earth Science Fast Acting Sulfur – 5lb Soil pH Reducer, Lowers pH Instantly, Reduces Nutrient Runoff, Improves Growth & Color for Acid-Loving Plants, Long-Lasting Lawn Care Flower Bee Supplement

3

TPS NUTRIENTS Hydrangea Fertilizer for Acid Loving Plants, Liquid Plant Food 8 oz (250mL)

4

GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (1/2 qt)

5

Miracle-Gro Water Soluble Bloom Booster Flower Food, Plant Food for Annual and Perennial Flowers, In-Ground and Container Plants, Roses, Hydrangeas, Hibiscus, 5.5 lb.

9.7

9.1

9.1

6

Jack's Classic 7-3-3 Hydrangea Blue Water-Soluble Fertilizer with Micronutrients to Enhance Blue Flowers, 1.5lbs

9.7

9.5

9.1

7

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).

8

Miracle-Gro 1-Pound 1360011 Water Soluble Bloom Booster Flower Food, 10-52-10, 1 Pack

9.9

9.9

9.5

9

Premium Liquid Hydrangea Fertilizer by Perfect Plants | Bloom Booster | Fertilizer for Hydrangeas and Other Flowering Plants (8 fl oz)

10

Leaves and Soul Hydrangea Professional Liquid Fertilizer - Complete 3-5-4 Nutrient Blend Concentrate for Enhanced Blooming & Growth - Perfect for Garden & Indoor Plants - New & Improved Blend - 8 oz

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