Best Organic Flower Fertilizer Outdoor in 2025
Updated on June 2025
#1
Recommended
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- Promotes vibrant blooms and healthy growth in flowers, fruits, and vegetables with essential nutrients.
- Micro-brewed liquid formula includes natural ingredients like earthworm castings and Norwegian kelp, providing a complete nutrient profile without harmful substances.
- Enhances root development and intensifies fragrance, improving flavor profiles in herbs, fruits, and vegetables.
- Suitable for all flowering and fruiting plants, this all-purpose fertilizer is safe for regular use in gardens and potted plants.
- Easily mixes with water for convenient application; simply add to watering can to nourish plants while watering.
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- Promotes vibrant blooms and healthy growth in flowers, fruits, and vegetables with essential nutrients.
- Micro-brewed liquid formula includes natural ingredients like earthworm castings and Norwegian kelp, providing a complete nutrient profile without harmful substances.
- Enhances root development and intensifies fragrance, improving flavor profiles in herbs, fruits, and vegetables.
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#2
Value for Money
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- Promotes healthy plant growth with essential nutrients, including calcium and beneficial microbes, for up to 3 months.
- Suitable for a variety of plants including vegetables, flowers, herbs, trees, and shrubs, both indoors and outdoors.
- Organic certified and OMRI listed, ensuring safe use for organic gardening.
- Designed for use in pots and containers, enhancing flower and vegetable growth.
- Trusted by gardeners since 1876 for quality products and reliable gardening information.
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- Promotes healthy plant growth with essential nutrients, including calcium and beneficial microbes, for up to 3 months.
- Suitable for a variety of plants including vegetables, flowers, herbs, trees, and shrubs, both indoors and outdoors.
- Organic certified and OMRI listed, ensuring safe use for organic gardening.
- Designed for use in pots and containers, enhancing flower and vegetable growth.
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#3
7% Off
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- 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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- 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
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#4
8% Off
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- Organic all-purpose plant food designed to provide long-lasting nutrients.
- Suitable for a variety of plants including flowers, vegetables, trees, and shrubs.
- Contains a blend of natural and organic ingredients with a 5-3-3 fertilizer analysis and 5% calcium.
- Recommended application in spring and fall for trees and shrubs; monthly during the growing season for roses, flowers, and vegetables.
- Approved for organic gardening and meets all certification requirements.
- Produced by Espoma Company, recognized for its commitment to natural organics since 1929.
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- Organic all-purpose plant food designed to provide long-lasting nutrients.
- Suitable for a variety of plants including flowers, vegetables, trees, and shrubs.
- Contains a blend of natural and organic ingredients with a 5-3-3 fertilizer analysis and 5% calcium.
- Recommended application in spring and fall for trees and shrubs; monthly during the growing season for roses, flowers, and vegetables.
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#5
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/510yaUo8LZL._SL320_.jpg)
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/51w50Kmz3LL._SL320_.jpg)
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/51Gia17blIL._SL320_.jpg)
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/516I4JzQ3PL._SL320_.jpg)
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/510yaUo8LZL._SL100_.jpg)
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/51w50Kmz3LL._SL100_.jpg)
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/51Gia17blIL._SL100_.jpg){kind=small}
![Organic Plant Magic - Truly Organic™ Fast-Acting Water Soluble Plant Food - All-Purpose Fertilizer Concentrate for Flower, Vegetable, Herb, Fruit Tree, Garden & Indoor Houseplants [One 1/2 lb Bag]](https://m.media-amazon.com/images/I/516I4JzQ3PL._SL100_.jpg){kind=small}
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- Updated packaging for the same trusted product favored by both gardeners and plants.
- Versatile and user-friendly; suitable for all types of plants and can be applied directly to seeds, soil, and existing plants or mixed with watering.
- A small amount is sufficient; a 1/2 lb bag can treat over 1,000 sq ft or yield over 32 gallons, enhancing soil health and providing continuous nutrition for plants.
- Promotes enhanced growth, vibrant colors, and improved flavors in plants, including flowers, fruits, vegetables, and herbs.
- Rich in essential nutrients and over 55 trace minerals; includes beneficial compounds like mycorrhizae to support natural plant growth.
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- Updated packaging for the same trusted product favored by both gardeners and plants.
- Versatile and user-friendly; suitable for all types of plants and can be applied directly to seeds, soil, and existing plants or mixed with watering.
- A small amount is sufficient; a 1/2 lb bag can treat over 1,000 sq ft or yield over 32 gallons, enhancing soil health and providing continuous nutrition for plants.
Read More
#6
19% Off
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- Promotes Beautiful Blooms: True Annuals & Perennials Food encourages vibrant, stunning blooms and lush foliage, enhancing the beauty of your flowering plants.
- Exclusive Blend of Proven Ingredients: Formulated with a carefully selected blend of ingredients that support plant health and soil vitality, ensuring optimal growth.
- Ideal for In-Ground & Container Plants: Perfect for both in-ground and container plants, making it suitable for a wide variety of gardening needs.
- Easy to Apply: Apply monthly during the growing season for continuous nourishment that supports vigorous growth and flowering.
- Generous Coverage: The 4lb bag covers up to 70 sq. ft., making it perfect for multiple plantings or larger garden areas.
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- Promotes Beautiful Blooms: True Annuals & Perennials Food encourages vibrant, stunning blooms and lush foliage, enhancing the beauty of your flowering plants.
- Exclusive Blend of Proven Ingredients: Formulated with a carefully selected blend of ingredients that support plant health and soil vitality, ensuring optimal growth.
- Ideal for In-Ground & Container Plants: Perfect for both in-ground and container plants, making it suitable for a wide variety of gardening needs.
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#7
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- Suitable for all flowering plants, including annuals and perennials, in containers and gardens, particularly effective for hanging baskets.
- This liquid concentrate is rich in natural proteins, kelp extracts, and humic acids, with a fertilizer analysis of 1-3-1. Contains no sludges or harmful ingredients.
- Apply every 2-4 weeks during the growing season by mixing with water as instructed and applying to plants.
- Approved for organic gardening as a registered Organic Input Material, meeting all organic production requirements.
- Manufactured in the USA by Espoma Company, a leader in natural organic products since 1929.
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- Suitable for all flowering plants, including annuals and perennials, in containers and gardens, particularly effective for hanging baskets.
- This liquid concentrate is rich in natural proteins, kelp extracts, and humic acids, with a fertilizer analysis of 1-3-1. Contains no sludges or harmful ingredients.
- Apply every 2-4 weeks during the growing season by mixing with water as instructed and applying to plants.
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#8
10% Off
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- All-natural fertilizer with a 4-8-4 nutrient formula for healthy plant growth and vibrant flowers
- Special blend offering nitrogen for growth, phosphorus for blooms, potassium, and trace elements for plant health
- Ideal for planting edible bulbs and nurturing roses, perennials; use throughout the growing season
- Certified organic by the OMRI, suitable for vegetable gardens, flower beds, containers, and houseplants
- Contains Fish Bone Meal, Langbeinite, Blood Meal, Alfalfa Meal, Seabird Guano, Rock Phosphate, Humates, and Kelp Meal
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- All-natural fertilizer with a 4-8-4 nutrient formula for healthy plant growth and vibrant flowers
- Special blend offering nitrogen for growth, phosphorus for blooms, potassium, and trace elements for plant health
- Ideal for planting edible bulbs and nurturing roses, perennials; use throughout the growing season
- Certified organic by the OMRI, suitable for vegetable gardens, flower beds, containers, and houseplants
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#9
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- 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
- Pack of 2
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- 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
Read More
#10
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- Original organic all-purpose plant food with slow-releasing nutrients.
- Suitable for flowers, vegetables, trees, and shrubs.
- Contains natural ingredients with a 5-3-3 fertilizer analysis and 5% calcium; environmentally safe and free from toxic substances.
- Recommended application in spring and fall for trees and shrubs; monthly for roses, flowers, and vegetables; apply around the plant's drip line and water thoroughly.
- Approved for organic gardening; meets all organic production standards.
- Manufactured in the USA by the Espoma Company, a leader in natural organics since 1929.
Read More
- Original organic all-purpose plant food with slow-releasing nutrients.
- Suitable for flowers, vegetables, trees, and shrubs.
- Contains natural ingredients with a 5-3-3 fertilizer analysis and 5% calcium; environmentally safe and free from toxic substances.
Read More
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