Plant Supplements

Often plants will need additional nutrients like nitrogen or iron to help the plant thrive. Our selection of plant supplements give plants the extra boost they need to grow healthy and lush. From flowers to crops, we have the products you need to encourage root growth and blooms. 

1-24 of 27
5 out of 5 stars (6)
$24.28
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Multiple sizes available
An excellent source of Potassium, which aids plants in forming healthy stems, roots and tuber growth.
4.5 out of 5 stars (10)
$15.96
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A plant supplement that corrects and prevents yellowing of foliage caused by iron deficiency of flowers, shrubs, trees, vegetables, and lawns.
4.5 out of 5 stars (12)
$19.67
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Multiple sizes available
It reduces the alkaline in soil and supplies Iron, Zinc, Sulfur, Magnesium and Copper that are vital to acid loving plants as Roses, Azaleas, Rhododendron, fruit trees and vegetables.
4.5 out of 5 stars (43)
$15.97
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Multiple sizes available
A chelated nutritional spray formulated to correct iron deficiency (yellowing of foliage) and other nutrient deficiencies.
5 out of 5 stars (8)
$28.93
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Multiple sizes available
A water-soluble chelated iron fertilizer that is formulated to prevent and cure chlorosis in plants.
5 out of 5 stars (2)
$27.86
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Multiple sizes available
A supplement that prevents Blossom End Rot for tomatoes and peppers caused by the lack of calcium.
5 out of 5 stars (2)
$17.52
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Multiple sizes available
A plant supplement that corrects calcium deficiency to control blossom end rot on tomatoes, cucumbers, melons, peppers, and other vegetables.
5 out of 5 stars (1)
$17.86
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A spray-on plant polish that gives your plant a natural and healthy glow.
$25.07
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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.
5 out of 5 stars (1)
$23.48
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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.
$20.38
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Pennington Epsom Salt is the way to give your plants the nutrients to thrive.
$20.58
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Multiple sizes available
Corrects calcium deficiency in tomatoes, peppers, apples and other crops.
3 out of 5 stars (2)
$25.80
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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.
$27.37
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A plant supplement that turns plants from yellow to green and promotes a darker green color on lawns, ornamental trees and shrubs.
$19.29
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Multiple sizes available
Helps stop blossom end rot on Tomatoes and setting of fruit and correcting calcium deficiencies with a ready-to-use (RTU) spray bottle.
$24.97
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Multiple sizes available
Contains Magnesium Sulfate that is a key nutrient for plants that is absorbed through the roots to help produce chlorophyll and promotes blooms in roses and other flowering plants.
5 out of 5 stars (1)
$24.55
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A liquid fertilizer which features one-part formula in a single bottle that will provide essential nutrients to your plants to help aid from stem and leaf growth into the budding and flowering stage.
$24.55
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A liquid fertilizer which features a one-part formula in a single bottle that is designed for leafy vegetables, foliage plants, and vegetative phase of blossoming and fruiting plants.
$19.49
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Multiple sizes available
Corrects calcium deficiency in tomatoes, peppers, apples and other crops.
$21.87
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A plant care formula that cleans and beautifies all hard-leafed foliage plants.
$25.09
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Multiple sizes available
A fertilizer that prevents and treats magnesium deficiency on palms, citrus, shrubs, trees, and turf and returns plant leaves to its natural dark green color.
5 out of 5 stars (1)
$11.64
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Multiple sizes available
Helps stop blossom end rot on Tomatoes and setting of fruit and correcting calcium deficiencies.
$23.02
Out of Stock
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An organic fertilizer formulated as a slightly earthy to a sharp yeasty sourness in order to provide vigorous plant growth.
$22.15
Out of Stock
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A liquid plant supplement with natural calcium, magnesium and humic acid which is horticulturally designed for indoor and outdoor plants, hydroponics and soil gardening.

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