Plant Food

Plant food, also known as plant fertilizer, gives plants and soils a boost of nutrients to improve the overall health of the plant. Encourage root growth, produce more blooms and fruits, and help plants fight disease with plant food. Our selection of plant food covers many nutrients your garden may need, from potassium to iron, allowing you to select the nutrients your garden needs most.

1-24 of 74 results
5 out of 5 stars (3)
$66.69
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Multiple sizes available
Water soluble granules that is used to prevent and correct iron deficiencies in trees, shrubs, and other plants.
$9.86
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A balanced 10-10-10 fertilizer formulated for houseplants, just 7 drops per quart of water for lush, healthy plants.
$19.87
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Multiple sizes available
Provides a readily available form of phosphorous. Stimulates root development and larger blooms. Use on flowers, fruits, vegetables.
$13.49
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Multiple sizes available
A single pack water soluble fertilizer for one time use for the watering can in each bag that will grow beautiful plants.
$13.54
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Multiple sizes available
A water soluble fertilizer that is for acid loving plants including Azaleas, Hydrangeas, and Rhododendrons.
4 out of 5 stars (1)
$15.55
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Multiple sizes available
A water soluble fertilizer for acid loving plants and shrubs like Rhododendrons, Camellias and Azaleas.
$35.64
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Pelletized limestone which helps grow a greener lawn in as fast as 6-8 weeks.
$18.06
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Multiple sizes available
A granular fertilizer for better growth, flavor and harvest by supplying all the nutrients to produce bigger Tomato's and Vegetables.
5 out of 5 stars (1)
$18.79
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Multiple sizes available
An organic fertilizer that is designed for low pH and delivers nitrogen for heavy feeding shrubs that contains beneficial micro-organisms.
$27.15
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Multiple sizes available
A liquid fertilizer with micro-nutrients to keep plants healthy and robust for the biggest blooms.
5 out of 5 stars (1)
$16.61
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An organic fertilizer that is formulated to provide a complete and balanced feeding for the nutritional needs of all citrus, fruit and nut trees.
$16.99
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Multiple sizes available
Corrects calcium deficiency in tomatoes, peppers, apples and other crops.
$15.11
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A fertilizer that is formulated for orchids such as Paphiopedilums, Phalaenopsis, slab-mounted epiphytic orchids, terrestrial orchids, or those with exposed root systems.
$75.25
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A water soluble chelated micro-nutrients fertilizer that is compatible with fertilizers and pesticides for vegetable crops to golf courses.
$31.98
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Multiple sizes available
A fertilizer with micro-nutrients and slow release water insoluble Nitrogen to aid in growing bedding plants and perennials.
$18.50
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Pennington Epsom Salt is the way to give your plants the nutrients to thrive.
5 out of 5 stars (1)
$18.81
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Multiple sizes available
A mineral supplement that will quickly turn plants from yellow to green, and is great for use in lawns, trees, flowers, shrubs, and vegetables.
5 out of 5 stars (1)
$13.45
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A indoor plant 1-1-1 fertilizer in an easy to use foam formula for a once a week feeding.
$13.61
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Highly effective plant food that is specifically formulated to control, treat, and prevent minor deficiencies on foliage and provides elements for the healthy growth of plants.
5 out of 5 stars (1)
$11.90
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Multiple sizes available
A specially formulated all-purpose plant food that helps promote bigger blooms and lush green foliage.
$18.59
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All-natural, organic plant food that promotes bigger growth and more beautiful blooms.
5 out of 5 stars (1)
$18.50
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Multiple sizes available
A slow released fertilizer designed for use at planting time as well as for a maintenance fertilizer to maintain plants and landscapes.
$17.06
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A natural and organic seaweed extract, derived from Norwegian kelp, that is a liquid concentrate for organic gardening.
$20.27
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A granular fertilizer for all vegetables and some fruits, tomatoes, cucumbers, eggplant, melons and peppers, and strawberries.

Important Plant Nutrients

Plants get the majority of their nutrients from the soil. Sometimes, the soil is deficient in some nutrients, or has an overabundance of another. Each imbalance affects plant growth, yield, aesthetics, and overall health. Plants have primary and secondary nutrient needs, as well as micronutrient needs, and it’s important to know what nutrients your plants need and why, so you are better able to diagnose plant problems and give your plants the necessary nutrients. Here is a list of important plant nutrients and how they affect your plants.

  • Nitrogen: Nitrogen is a primary plant nutrient. It is a major factor of growth and specific nitrogen need varies from plant to plant. Nitrogen is always in flux in the soil, so even a soil test doesn’t quite give an accurate picture of your soil’s nitrogen content, so looking at plant health is a better measure for nitrogen levels.
  • Phosphorus: Another primary nutrient, phosphorus (measured in phosphate in plant food products) promotes plant growth and root formation, and is essential for flowering and fruiting. Deficiency symptoms can include sparse leaf growth, darkened leaf color, and dull surfaces.
  • Potassium: The last of the primary nutrients, it is found as potash in plant products. It helps in photosynthesis, aids in disease resistance, and is important in fruit quality and quantity. Deficiencies can cause yellowing, scorching, and crinkling of leaves, and too much potassium can cause a salt imbalance in the soil.
  • Secondary Nutrients: Each secondary nutrient aids plants in a specific way, and deficiencies affect plants individually. Calcium aids in plant vigor and proper growth, Magnesium is an essential part of chlorophyll and photosynthesis, and Sulfur aids in protein production and is crucial for crop yield and quality.
  • Micronutrients: There are several micronutrients: Boron, chlorine, copper, iron, manganese, molybdenum, and zinc, and are called micro since they are needed in very small amounts. Even though they’re needed in much smaller amounts than other plant nutrients, they are just as important to plant health. Micronutrients aid in formation of cells, enzymes, sugars, plant structures, and are crucial to many plant processes.

Plant Nutrient Deficiencies

Nutrient deficiencies can manifest themselves in many ways, and many look similar or occur at the same time. One deficiency can cause another, and all plants will adapt to changes in soil nutrients differently. You may be able to tell your plant is struggling in its current soil by the following symptoms:

  • Stunted growth
  • Chlorosis (yellowing)
  • Interveinal chlorosis
  • Purple or red coloring
  • Necrosis

These symptoms can indicate nutrient deficiency, but you will have to do a bit more work to decode just what may be lacking in your soil. A soil test can give you the big picture of what your soil contains and what it needs.

Choosing Plant Food

There are an endless array of choices when it comes to plant food. While all aim to add nutrients or other benefits to the soil, each has a different goal. Some aid in overall soil health, like Neptune’s Harvest Organic Crab Shell which helps get rid of fungus and nematodes. Other products work for specific plants, like Fertilome Rose Food, and deliver plant-specific nutrients directly to the soil. Specific plant ailments can also be cured with plant food, like with Bonide Rot-Stop Tomato Blossom End Rot food. You can even choose specific plant nutrients to add directly to the soil for a certain effect, like Bonide Triple Super Phosphate for strong roots and hearty plant health. We carry any type of plant food you might need to create a healthy environment for your plants, giving them all the nutrients they need.

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