Huge indoor plants are possible with the right plant food from Root Grow Bloom Hydroponics. We have many of the most popular brands of plant food in stock. Start with the right base depending on the types of indoor plants you are growing. We offer both traditional and organic plant foods, as well as additives and stimulants to really get your indoor plants growing.

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Showing 1–12 of 477 results

Sale!

FloraGro Quart

$11.95 $10.76
General Hydroponics Flora Series: FloraGro(2-1-6)General Hydroponics FloraGro is part of the Flora Series. A a three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraGro stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium, and secondary minerals.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$11.95
$10.76
10%
Gallon
$30.95
$27.86
10%
2.5 Gallon
$68.95
$62.06
10%
6 Gallon
$139.95
$125.96
10%
Add to cart
Sale!

FloraGro Gallon

$30.95 $27.86
General Hydroponics Flora Series: FloraGro(2-1-6)General Hydroponics FloraGro is part of the Flora Series. A a three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraGro stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium, and secondary minerals.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$11.95
$10.76
10%
Gallon
$30.95
$27.86
10%
2.5 Gallon
$68.95
$62.06
10%
6 Gallon
$139.95
$125.96
10%
Add to cart
Sale!

FloraGro 2.5 Gallon

$68.95 $62.06
General Hydroponics Flora Series: FloraGro(2-1-6)General Hydroponics FloraGro is part of the Flora Series. A a three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraGro stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium, and secondary minerals.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$11.95
$10.76
10%
Gallon
$30.95
$27.86
10%
2.5 Gallon
$68.95
$62.06
10%
6 Gallon
$139.95
$125.96
10%
Add to cart
Sale!

FloraGro 6 Gallon

$139.95 $125.96
General Hydroponics Flora Series: FloraGro(2-1-6)General Hydroponics FloraGro is part of the Flora Series. A a three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraGro stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium, and secondary minerals.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$11.95
$10.76
10%
Gallon
$30.95
$27.86
10%
2.5 Gallon
$68.95
$62.06
10%
6 Gallon
$139.95
$125.96
10%
Add to cart
Sale!

FloraMicro Quart

$15.95 $14.36
General Hydroponics Flora Series: FloraMicro(2-1-6)General Hydroponics FloraMicro is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraMicro is the foundation of the “Building-Block” System, providing Nitrogen, Potassium, Calcium, and trace elements.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$15.95
$14.36
10%
Gallon
$35.95
$32.36
10%
2.5 Gallon
$83.95
$75.56
10%
6 Gallon
$169.95
$152.96
10%
Add to cart
Sale!

FloraMicro Gallon

$35.95 $32.36
General Hydroponics Flora Series: FloraMicro(2-1-6)General Hydroponics FloraMicro is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraMicro is the foundation of the “Building-Block” System, providing Nitrogen, Potassium, Calcium, and trace elements.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$15.95
$14.36
10%
Gallon
$35.95
$32.36
10%
2.5 Gallon
$83.95
$75.56
10%
6 Gallon
$169.95
$152.96
10%
Add to cart
Sale!

FloraMicro 2.5 Gallon

$83.95 $75.56
General Hydroponics Flora Series: FloraMicro(2-1-6)General Hydroponics FloraMicro is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraMicro is the foundation of the “Building-Block” System, providing Nitrogen, Potassium, Calcium, and trace elements.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$15.95
$14.36
10%
Gallon
$35.95
$32.36
10%
2.5 Gallon
$83.95
$75.56
10%
6 Gallon
$169.95
$152.96
10%
Add to cart
Sale!

FloraMicro 6 Gallon

$169.95 $152.96
General Hydroponics Flora Series: FloraMicro(2-1-6)General Hydroponics FloraMicro is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraMicro is the foundation of the “Building-Block” System, providing Nitrogen, Potassium, Calcium, and trace elements.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$15.95
$14.36
10%
Gallon
$35.95
$32.36
10%
2.5 Gallon
$83.95
$75.56
10%
6 Gallon
$169.95
$152.96
10%
Add to cart
Sale!

FloraMicro (Hardwater) Quart

$15.95 $14.36
General Hydroponics Flora Series: FloraMicro Hardwater(2-1-6)General Hydroponic FloraMicro Hardwater is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original Flora Micro with FloraMicro Hardwater to create a perfect Micro blend for your plants.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$15.95
$14.36
10%
Gallon
$35.95
$32.36
10%
Add to cart
Sale!

FloraMicro (Hardwater) Gallon

$35.95 $32.36
General Hydroponics Flora Series: FloraMicro Hardwater(2-1-6)General Hydroponic FloraMicro Hardwater is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original Flora Micro with FloraMicro Hardwater to create a perfect Micro blend for your plants.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$15.95
$14.36
10%
Gallon
$35.95
$32.36
10%
Add to cart
Sale!

FloraBloom Quart

$11.95 $10.76
General Hydroponics Flora Series: FloraBlooom(2-1-6)General Hydroponics FloraBloom is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraBloom stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high Phosphorous, Potassium, Magnesium, and Sulfur.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$11.95
$10.76
10%
Gallon
$30.95
$27.86
10%
2.5 Gallon
$68.95
$62.06
10%
6 Gallon
$139.95
$125.96
10%
Add to cart
Sale!

FloraBloom Gallon

$30.95 $27.86
General Hydroponics Flora Series: FloraBlooom(2-1-6)General Hydroponics FloraBloom is part of the Flora Series. A three-part building block system that enables you to custom-blend a formula based on type of plant and phase of growth. FloraBloom stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high Phosphorous, Potassium, Magnesium, and Sulfur.The Flora Series provides a unique combination of mineral nutrients and state-of-the-art organic chelates developed by Dr. Cal Herrmann of the University of California Water Technology Center. Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Indoors or out, for the beginning or advanced gardener. Check out the new GH feeding schedules to maximize nutrient use.
  • GH Flora Series is the original Building-Block Nutrient System – imitated but never duplicated.
  • Contains complete Primary, Secondary and Micro Nutrients –for enhanced yields and better crop quality.
  • Users can adjust mixtures to suit specific plant needs.
  • Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants.
  • Contains highly purified concentrates for maximum solubility.
  • pH balanced for ease of use.
  • NASA and Antarctic research scientists choose Flora Series -- because of its superior formulation and reliability.
  • The General Hydroponics Flora Series is known throughout the world as the industry standard.
Size
Regular Price
Sale Price
Percent off
Quart
$11.95
$10.76
10%
Gallon
$30.95
$27.86
10%
2.5 Gallon
$68.95
$62.06
10%
6 Gallon
$139.95
$125.96
10%
Add to cart