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fertilizers

Best fertilizers

Name: Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.
Brand: Miracle-Gro
Price: 12.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

Winner

Miracle-Gro

13%OFF

Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.

9.9

score

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Miracle-Gro

38%OFF

Miracle-Gro Indoor Plant Food, Liquid Plant Food for Houseplants, Snake Plants, Peace Lilies, Flowers, Vegetables, Herbs and More, 8 oz., 2-Pack

9.8

score

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FoxFarm

FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Quart Bottles - (Pack of 3-32 oz)

9.6

score

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Miracle-Gro

34%OFF

Miracle-Gro Pour & Feed Plant Food, Fertilizer Instantly Feeds Live Plants, For Outdoor & Indoor Plants in Containers, 32 oz.

9.3

score

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FoxFarm

10%OFF

FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0-0.5-0.7 (Quart)

9.1

score

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Osmocote

Osmocote Smart-Release Plant Food Plus Outdoor and Indoor, For Most Plant Types, In-Ground and Container Plants, Contains 11 Essential Nutrients, 8 lb.

8.8

score

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FoxFarm

FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Bottles - (Pack of 3-1 Pint)

8.6

score

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FoxFarm

FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0-0.5-0.7 (Pint)

8.3

score

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GARDENWISE

GARDENWISE 10-10-10 Plus All-Purpose Liquid Fertilizer with Seaweed Kelp Extracts, 6% Chelated Liquid Iron - Ideal for Lawns, Vegetables, Indoor Plants, & Flowers - Optimal Nutrient Mix (16 OZ)

Farmer's Secret

9%OFF

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

7.8

score

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Buying Guide for the Best fertilizers

Choosing the right fertilizer for your plants can significantly impact their growth and health. Fertilizers provide essential nutrients that plants need to thrive, and selecting the right one involves understanding your plants' specific needs and the characteristics of different fertilizers. Here are some key specifications to consider when choosing a fertilizer, along with explanations to help you make an informed decision.

NPK RatioThe NPK ratio represents the percentage of Nitrogen (N), Phosphorus (P), and Potassium (K) in the fertilizer. These are the primary nutrients that plants need. Nitrogen promotes leafy growth, Phosphorus supports root development and flowering, and Potassium enhances overall plant health and disease resistance. For leafy vegetables, a higher nitrogen content is beneficial, while flowering plants and root crops may require more phosphorus and potassium. Understanding the specific needs of your plants will guide you in choosing the right NPK ratio.

Type of FertilizerFertilizers come in various forms, including granular, liquid, and slow-release. Granular fertilizers are easy to apply and provide nutrients over time, making them suitable for general garden use. Liquid fertilizers are quickly absorbed by plants and are ideal for a rapid nutrient boost. Slow-release fertilizers gradually release nutrients over several months, reducing the need for frequent applications. Consider the convenience and specific needs of your plants when choosing the type of fertilizer.

Organic vs. SyntheticOrganic fertilizers are made from natural materials like compost, manure, and bone meal, and they improve soil health over time. Synthetic fertilizers are chemically manufactured and provide immediate nutrient availability. Organic fertilizers are ideal for sustainable gardening and improving soil structure, while synthetic fertilizers are useful for quick nutrient fixes. Your preference for natural gardening practices or the need for immediate results will influence your choice between organic and synthetic fertilizers.

MicronutrientsIn addition to the primary nutrients (NPK), plants also need micronutrients like iron, manganese, zinc, copper, and boron in smaller amounts. These micronutrients are essential for various physiological functions in plants. Some fertilizers include these micronutrients, which can be beneficial if your soil is deficient in them. Soil testing can help determine if you need a fertilizer with added micronutrients.

Soil pH CompatibilitySoil pH affects nutrient availability to plants. Some fertilizers are formulated to adjust soil pH, making nutrients more accessible. For example, lime-based fertilizers can raise soil pH, while sulfur-based fertilizers can lower it. Knowing your soil's pH and the pH preference of your plants will help you choose a fertilizer that supports optimal nutrient uptake.

Application MethodDifferent fertilizers have different application methods, such as broadcasting, side-dressing, foliar feeding, or fertigation. Broadcasting involves spreading fertilizer evenly over the soil surface, while side-dressing places it near the plant roots. Foliar feeding involves spraying liquid fertilizer directly onto plant leaves, and fertigation mixes fertilizer with irrigation water. The best method depends on your garden setup and the specific needs of your plants.

Best fertilizers

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Buying Guide for the Best fertilizers