Horticulture Source » Gardening & Hydroponics Store » Nutrients & Supplements   Mobile   Secure |  My Account | Cart Contents | Checkout )
Horticulture Source
Quick Find
Help [?]   Search Descriptions Phrase   Advanced
Secure   My Account   Cart Contents   Checkout  
You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Celebrating our 12th Year of Service to Gardeners! Thank you for your business!
Specials more
Natural Armor Animal Repellent - Ready to Use Spray, Quart Rosemary Scent
Natural Armor Animal Repellent - Ready to Use Spray, Quart Rosemary Scent
$15.99
$14.39
What's New? more
Sun System® Par Pro® Commercial Reflector with Hyper Arc® Lamp
904778
Sun System® Par Pro® Commercial Reflector with Hyper Arc® Lamp
$141.70
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (525)
* Lighting Systems ++ (1196)
! Nutrients & Supplements (4261)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (527)
* Leaf Shines & Washes (94)
* Pest & Disease Control (595)
* Cloning & Propagation (440)
* Grow Systems ++ (712)
* Meters, Timers & Instruments ++ (632)
* Pots / Containers (1027)
* Pumps, Irrigation & Watering Supplies ++ (1726)
* Grow Media (548)
* Plant Seeds (62)
* Environmental Control ++ (2033)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1089)
* Hand Tools ++ (450)
* Gardening Books & DVDs (56)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Ads
Languages
English Deutsch Español

What do we have here?
Nutrients & Supplements: Plant Food, Nutrients, Fertilizers & Supplements - Primary & Secondary, Essential & Minor Elements, Macronutrients, Micronutrients

Show: 
What do we have here?
Displaying 401 to 420 (of 4261 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price-   Buy Now 
 Soul Synthetics Big Swell 2.5 Gal   Aurora Innovations   Soul Synthetics Big Swell 2.5 Gal 
Soul Synthetics Soul Synthetics Big Swell 2.5 Gal (ROSSBS2.5G)Soul Synthetics Big Swell Soul Synthetics Big Swell bloom booster has been designed specifically to increase flower size, vigor, density, and quality. Our extensive hands-on research has resulted in a distinctive formula of botanical extracts, amino acids, and versatile carbohydrates combined with a specific ratio of rea... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ROSSBS2.5G   $194.78 
 Xtreme Tea Brews 14ct, 500g 2.5 Gal   Xtreme Gardening   Xtreme Tea Brews 14ct, 500g 2.5 Gal 
Xtreme Gardening Xtreme Tea Brews 14ct, 500g 2.5 Gal (RT8106)XTREME TEA BREWS are an easy to use, easy to brew blend of organic matter that is packed full of healthy soil microbes. With the beneficial microorganisms present in Xtreme Tea Brews, organic fertilizers can be fully-harnessed and delivered to plants with unparalleled "natural-efficiency". The beneficial microbes work ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-RT8106   $194.78 
 BioWeed 6 gal   General Hydroponics   BioWeed 6 gal 
General Organics BioWeed 6 gal (GH5345)BioWeed is a plant and soil vitality booster featuring a natural blend of cold processed seaweed that encourage thriving growth of roots, stem, and foliage. BioWeed works in harmony with General Organics BioThrive Grow fertilizer. General Organics provides gardeners with a complete line of superior organic plant foods and supplements that comb... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH5345   $193.98 
 Supreme Growers BudCharge 5gal      Supreme Growers BudCharge 5gal 
BudCharge (0-0.5-1) Pre-Bloom Supercharger BudCharge is a unique blooming supplement designed to optimize the development and production of floral growth. Comprised of seaweed and minerals, BudCharge contains a unique blend of mechanically extracted seaweeds designed to transition the plant into flowering, and begin producing fruits and flowers. BudCharge contains a blend of... — Ships separately from DL: Livermore, California USA....more info.
 dl-SGBC5GAL   $192.50 
 Mayan Microzyme 1 gal.   Humboldt Nutrients   Mayan Microzyme 1 gal. 
Humboldt Nutrients Mayan Microzyme 1 gal. (HNMM410)NOT FOR SALE IN OREGON OR HAWAII Bacterial Complex with Biological Nitrogen Fixation (BNF) Mayan MicroZyme is a 100% organic and ecologically safe beneficial bacterial complex with multiple species of soil microorganisms that will increase fertility while providing vital nutrients to all types of plants and crops. The micro-organis... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNMM410   $192.44 
 Hesi Boost 10 Liter      Hesi Boost 10 Liter 
Hesi Boost is a flowering accelerator, it regulates the size of flowers and promotes a faster harvest, helps to schedule harvesting periods. It is a hydroponic fertilizer that helps promote thick leaf density and luxuriant bushiness. It is a specially formulated nutrient that increases the number of internodes, shortens the length between them, and focuses plants energy on lateral ... — Ships separately from DL: Livermore, California USA....more info.
 dl-HES5073   $191.95 
 Organic Bountea Root Web 5 lb (6/Cs) (Special Order)      Organic Bountea Root Web 5 lb (6/Cs) (Special Order) 
20 Species of beneficial fungal spores. Increases root growth and biomass. Increases fertilizer efficiency. Reduces water use. Increases plant yield. Reduces fungal disease.... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 739722   $191.83 
 MycoMaximum 10 lb.   Humboldt Nutrients   MycoMaximum 10 lb. 
Humboldt Nutrients MycoMaximum 10 lb. (HNMMX420)Not for sale in HawaiiMyco Maximum Granular contains 8 species of growth-enhancing mycorrhizal fungi, proprietary ingredients, 12 strains of beneficial bacteria, and 2 Trichoderma species. Adds organic matter and helps to break down nutrients and micro-nutrients present in your growing medium or soil which are necessary for plants thr... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNMMX420   $190.80 
 GH Flora Bloom 15 Gallon   General Hydroponics   GH Flora Bloom 15 Gallon 
FloraBloom 0-5-4GH Flora Bloom 15 Gallon (718027)Stimulates flower and fruit development. Enhances flavor, aroma and essential oils. Provides high Phosphorous, Potassium, Magnesium and Sulfur. Manufacturer's Product Information MSRP $350 ... — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718027   $190.75 
 GH Flora Gro 15 Gallon   General Hydroponics   GH Flora Gro 15 Gallon 
FloraGro 2-1-6GH Flora Gro 15 Gallon (718057)Stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium and secondary minerals. Manufacturer's Product Information MSRP $350 ... — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718057   $190.75 
 BioBizz Bio·Heaven™ 5 ltr   BioBizz   BioBizz Bio·Heaven™ 5 ltr 
What is Bio·Heaven™? Bio·Heaven™ improves the effects of all foliar sprays and fertilizers used to feed the plant. At the same time Bio·Heaven™ rids the plant of toxins, it repairs the chlorophyll production and restimulates the plant. By using Bio·Heaven™ the plants’ energy will be increased! How to use Bio·Heaven™ Bio·Heaven™ can be used during the entire grow and... — Ships from DL: Livermore, California USA....more info.
 dl-BBG200273   $190.62 
 TECHNAFLORA® AWESOME BLOSSOMS™ 2-11-11 - 10 LTR (2/CASE) - SPECIAL ORDER ONLY   Technaflora   TECHNAFLORA® AWESOME BLOSSOMS™ 2-11-11 - 10 LTR (2/CASE) - SPECIAL ORDER ONLY 
Technaflora Awesome Blossoms AWESOME BLOSSOMS 10 LTR. (2/CA Awesome Blossoms (2-11-11) is a scientifically blended superior flower stimulant designed to nurture prolific and bold blooms in all your flowering plants. This ultra-fertilizing tincture of super phosphates is formulated with macro and micro elements, stimulating dense, vigorous flowering. Awesome Blossoms fosters e... This item is sold individually. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 720670   $190.30 
 Grow 7-9-5. 5 Gallon   Dyna-Gro   Grow 7-9-5. 5 Gallon 
DYNA-GRO GROW 7-9-5 5 GALLONS... — Ships separately from Portland, Oregon USA....more info.
 HY1930   $189.06 
 Equilibrium Natural 5 Gal   Humboldt Nutrients   Equilibrium Natural 5 Gal 
Humboldt Nutrients Equilibrium Natural 5 Gal (HNEQ420)Plants and gardens must have accessible calcium and magnesium to successfully grow, fruit and flower. In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg dominated the competition in side-by-side trials.If you want to reap a large ... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNEQ420   $188.42 
 Bloom 15 Gallon (Special Order)   Humboldt Nutrients   Bloom 15 Gallon (Special Order) 
Humboldt Nutrients Bloom 15 Gallon (HNB425)NPK 0-6-5 Humboldt Nutrients Bloom formula, was designed in Humboldt County to be used with our Grow and Micro to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients has developed this vigorous three-part fertilizer without the use synthetic chelates. Bloom is specifically formulated... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNB425   $186.06 
 GINORMOUS 5 GALLON   Humboldt Nutrients   GINORMOUS 5 GALLON 
Humboldt Nutrients Ginormous 0-18-16 Humboldt Nutrients has created the most powerful super-bloom booster on the market. It is designed to make even the most demanding gardeners ecstatic at harvest time. Ginormous is the perfect solution for the gardener looking to maximize crop yield and quality. Your vegetables and fruits will be larger, even gigantic or Ginormous with this ad... — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723192   $185.91 
 Grow 15 gal.   Humboldt Nutrients   Grow 15 gal. 
Humboldt Nutrients Grow 15 gal. (HNG425)Grow 2-1-6 Humboldt Nutrients Grow formula, was designed in Humboldt County to be used with our Micro and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients has developed this vigorous three-... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNG425   $185.63 
 FloraBloom 15 Gal   General Hydroponics   FloraBloom 15 Gal 
General Hydroponics FloraBloom 15 Gal (GH1436)FLORABLOOM: Stimulates flower and fruit development. Enhances flavor, aroma, and essential oils. Provides high Phosphorous, Potassium, Magnesium, and Sulfur. The original Building-Block Nutrient System, often imitated but never duplicated. Flora Series contains complete Primary, Secondary and Micro Nutrients for enhanced yields and ... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1436   $185.50 
 FloraGro 15 Gal   General Hydroponics   FloraGro 15 Gal 
General Hydroponics FloraGro 15 Gal (GH1426)FLORAGRO: Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium, and secondary minerals. The original Building-Block Nutrient System, often imitated but never duplicated. Flora Series contains complete Primary, Secondary and Micro Nutrients for enhanced yields and better crop quali... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1426   $185.50 
 FloraBlend 15 Gal   General Hydroponics   FloraBlend 15 Gal 
General Hydroponics FloraBlend 15 Gal (GH1596)These highly soluble organic compounds increase and promote healthy root structures, build the plants immune system and provide carbon building blocks for plant processes responsible for color and flavor of fruits and vegetables. FloraBlend is a vegan product and contains no animal derived ingredients. FloraBlend is a completely dig... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1596   $185.50 
Displaying 401 to 420 (of 4261 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [Next >>] 
Ads
Social Bookmark
Amazon Ad

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate ShopWiki Certified Store Official PayPal Seal
Merchant Services
Secured by RapidSSL 100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
Ads
Global Tech LED Mammoth
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2018 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order