10 Best Organic Bloom Fertilizer of 2025

Tested and Reviewed: Top 10 Organic Bloom Fertilizer deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

Burpee

Burpee Organic Bloom Granular All-Natural Food for Roses and Flower Plants | Ideal for Container Gardens, Beds or Bushes, 4 lb, 4lb. Bag

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Editor's bottom line:

“This organic bloom fertilizer is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

NATURAL PLANT FOOD: Burpee Organic Rose + bloom granular plant food is formulated to feed quickly while delivering long-lasting results for all types of roses and flowering plants. This plant food that can be added to soil or potting mix provides roses and other flowering plants with the constant supply of nutrients they need to maintain growth and blossom production.
ORGANIC GARDENING: OMRI-listed for organic use, this granular plant food provides a flush of nutrients immediately and slow-release nutrients continue to feed your plants for up to 3 months. Your outdoor or indoor live plants with thrive.
SPECTACULAR BLOOMS: Contains beneficial microbes to help promote spectacular blooms, more color, and strong root development. It's ideal for container plants, established beds, and individual bushes and other flowers.
EASY SPREADING: The fine granular consistency makes for easy spreading, whether using in the garden or in a container. Make sure to always wear garden gloves when handling soil additives. For best results, apply every two months during the growing season and always remember to water thoroughly after using fertilizer.
Since 1876: Generations of customers have trusted Burpee to deliver the highest quality products and service. Gardeners rely on Burpee for accurate plant information and how-to tips that make gardening easier and more successful. Lets grow together!

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Picked by 186 people today

Best Value

9.5

Save 27%

Miracle-Gro

Miracle-Gro Performance Organics Blooms Plant Nutrition Granules - Plant Food with Natural & Organic Ingredients, for Flowering Plants, 2.5 lbs.

27% OffFree Shipping

Main Highlights

Use Miracle-Gro Performance Organics Blooms Plant Nutrition Granules to feed flowering plants
OMRI listed plant food promotes more blooms (vs unfed potted plants) organically for vibrant color in flowers
Enjoy Miracle-Gro results with organic and natural ingredients
Reapply every 4-6 weeks and water regularly for best results
Covers up to 165 sq. ft.

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9.5

FoxFarm

FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0.01-0.03-0.7 (Pint)

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Main Highlights

Big Blooms Start with Big Bloom: Achieve vibrant, healthy blooms with our big bloom liquid plant food, specially formulated to provide your plants with essential nutrients for robust growth in flowers, fruits, and vegetables
Formula: Our liquid plant fertilizer delivers essential nutrients without harmful chemicals. Its unique micro-brewed formula includes earthworm castings, bat guano, & other high-test ingredients, ensuring a full range of nutrients
Strengthens Roots and Boosts Flavor: Our outdoor and fertilizer for vegetable garden enhances root development, intensifies flower fragrance & increases essential oil production, leading to stronger flavors in herbs, fruits & vegetables
Versatile Use: Our bloom fertilizer is ideal for all flowering and fruiting plants, including flowers, vegetables & herbs. Safe for regular use, it provides all the essential nutrients whether you're nurturing a garden or growing potted plant
Easy to Apply: This FoxFarm liquid fertilizer mixes effortlessly with water. Simply add the concentrate to your watering can and nourish your plants as you water. This convenient method ensures that your plants receive the nutrients without any hassle

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9.2

Save 12%

Botanicare

Botanicare Organicare Bloom - Organic and Natural Granular Fertilizer for the Flowering Stage, 5 lbs.

12% Off

Main Highlights

Botanicare Organicare Bloom is an organic and natural granular fertilizer specially formulated with key nutrients for flowering plants or for use during the flowering phase of a crop
Each high-quality ingredient is designed to support growth and development as your plant works to create big blooms
Organic and natural plant fertilizer provides phosphorus and potassium for big blooms, and secondary nutrients like calcium, magnesium, and sulfur for vital plant function
Granular formula is easy to apply and can be used in outdoor and indoor containers or in-ground
OMRI listed

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9.0

True Organic

True Organic Liquid Bloom Boost – Organic Bud, Bloom & Blossom Fertilizer – 16 fl. oz. Bottle Covers 30 Sq. Ft.

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Main Highlights

Encourages Vibrant Blooms and Fruit Production: True Organic Liquid Bloom Boost promotes abundant flowers, buds, and fruit for a stunning, productive garden.
Exclusive Soy Protein Hydrolysate Formula: Features an advanced blend of proven ingredients to nourish plants and enhance soil health naturally.
Versatile for All Gardens: Ideal for in-ground and container plants, both indoors and outdoors, making it perfect for every type of gardener.
Easy-to-Use Application: Apply every two weeks during the growing season; simply mix 2 oz. per gallon of water for optimal results.
Convenient Coverage: One 16 fl. oz. bottle covers up to 30 sq. ft., ensuring a cost-effective solution for flourishing plants.

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8.8

Espoma

Espoma Organic Bloom! 16-Ounce Concentrated Plant Food – Plant Fertilizer and Bloom Booster for All Flowering Plants. Promotes Vigorous Growth and Blooming

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Main Highlights

FOR USE ON: Use Espoma Organic Bloom! for all flowering plants; annuals & perennials in containers or in the garden. It is ideal for hanging baskets.
CONTAINS: This liquid concentrate contains natural proteins that are enhanced with kelp extracts and humic acids. Fertilizer analysis is 1-3-1. No sludges or toxic ingredients.
WHEN / HOW TO USE: Best to use Bloom! every 2-4 weeks throughout the growing season. Simply mix with water as directed and water your plants.
FOR ORGANIC GARDENING: Bloom! is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production.
MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929.

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8.6

Espoma

Espoma Organic Flower-Tone 3-4-5 Natural & Organic Plant Food; 4 lb. Bag; Organic Fertilizer for Flowers, Annuals, Perennials & Hanging Baskets. Blossom Booster

Main Highlights

USE ON: Use Flower-tone organic fertilizer for flowers like annuals, perennials, and roses. Flower-tone is the perfect flower food for fresh cut flowers. Promotes abundant blooms
CONTAINS: Flower-tone is a rich blend of the finest natural & organic ingredients enhanced with our exclusive Bio-tone formula; 3-4-5 low nitrogen fertilizer analysis with 5% calcium. Flower-tone is environmentally Safe - No sludges or toxic ingredients
WHEN / HOW TO USE: Best to use Flower-tone fertilizer for roses, annuals, perennials, monthly throughout the growing season. Apply to the soil around the drip line of the plant and water thoroughly. Flower-tone is ready to use and requires no mixing
FOR ORGANIC GARDENING: Flower-tone is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production
MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929

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8.3

Down To Earth All Natural Fertilizers

Down To Earth All Natural Fertilizers Organic Rose & Flower Mix 4-8-4, 5 lb

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Main Highlights

Down To Earth Rose & Flower Mix is a five pound box of all natural fertilizer with 4-8-4 formula and supplies nutrients for vigorous growth and sensational flowers
A special fertilizer blend that provides ample nitrogen for vigorous growth, extra phosphorus for beautiful blooms and potassium and trace elements for healthy plant stock
Great for starting edible bulbs, like garlic and onion, apply when planting your favorite new roses, bulbs, perennials and use throughout the season when new growth appears on existing plants
Listed by the Organic Materials Review Institute (OMRI) for use in organic production and great to use on vegetable gardens, flower beds, containers and houseplants
Ingredients: Fish Bone Meal, Langbeinite, Blood Meal, Alfalfa Meal, Seabird Guano, Rock Phosphate, Humates and Kelp Meal

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8.1

GreenGro

Pride Lands Premium Organic Bloom Fertilizer with NO Fillers, Bigger Buds and Flowers, Brighter Plants with Our Complete Bloom Nutrients, Recharge Soil and Boost Growth with Optimal Blend of NPK, 2 lb

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Main Highlights

Increase Your Plant Yields - Bigger buds and flowers. Brighter plants. Supercharge your garden and plants with the nutrients they need during the bloom stage. Our industry-leading fertilizer is a premium blend of microbes, biochar, mycorrhiza, and dry amendments that boosts plant growth.
Revive Your Droopy Plants - Are your herbs growing too slowly or your house plents looking dull? Our bloom fertilizer has the right blend of NPK and micronutrients your plant needs to restore color and return to life.
Easy to Use - You can fertilize your indoor plants or garden in 15 minutes. Simply spread a thin layer of the fertilizer on top of your dirt to amend your soil. You can top dress your entire garden or focus on dull areas.
Fast Results - Within 48 hours you'll notice brighter colors and bigger blooms on your flowers, larger and juicier fruits from your vegetable plants, and deeper colors from your green plants.
Non-GMO & Sustainably Harvested Ingredients - Better for your plants, better for the environment. No harsh chemicals or cheap fillers like the big brand fertilizers. Better for your plants, environment, and you.

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8.1

Dr. Earth

Dr. Earth Flower Girl Bud & Bloom 3-9-4 Organic Fertilizer Formula, 4-Pound Bag

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Main Highlights

Size 4 Lb.
Formulation 3-9-4
Package Quantity 1
Package may vary

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Our Best Overall Choice

Best Choice

9.7

Burpee

Burpee Organic Bloom Granular All-Natural Food for Roses and Flower Plants | Ideal for Container Gardens, Beds or Bushes, 4 lb, 4lb. Bag

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

NATURAL PLANT FOOD: Burpee Organic Rose + bloom granular plant food is formulated to feed quickly while delivering long-lasting results for all types of roses and flowering plants. This plant food that can be added to soil or potting mix provides roses and other flowering plants with the constant supply of nutrients they need to maintain growth and blossom production.
ORGANIC GARDENING: OMRI-listed for organic use, this granular plant food provides a flush of nutrients immediately and slow-release nutrients continue to feed your plants for up to 3 months. Your outdoor or indoor live plants with thrive.
SPECTACULAR BLOOMS: Contains beneficial microbes to help promote spectacular blooms, more color, and strong root development. It's ideal for container plants, established beds, and individual bushes and other flowers.
EASY SPREADING: The fine granular consistency makes for easy spreading, whether using in the garden or in a container. Make sure to always wear garden gloves when handling soil additives. For best results, apply every two months during the growing season and always remember to water thoroughly after using fertilizer.
Since 1876: Generations of customers have trusted Burpee to deliver the highest quality products and service. Gardeners rely on Burpee for accurate plant information and how-to tips that make gardening easier and more successful. Lets grow together!

Show Price

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