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 11th Year of Service to Gardeners! Thank you for your business!
Specials more
Hydro Flow Octa-Bubbler 10 GPH Per Outlet - Red High Flow Bubbler (Bag of 10)
Hydro Flow Octa-Bubbler 10 GPH Per Outlet - Red High Flow Bubbler (Bag of 10)
$92.12
$88.40
What's New? more
Hydro Flow 3/4 in FHT x 3/4 MHT In-Line Filter w/ Screen - Display Box (Case of 25)
742675
Hydro Flow 3/4 in FHT x 3/4 MHT In-Line Filter w/ Screen - Display Box (Case of 25)
$98.62
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (529)
* Lighting Systems ++ (1184)
! Nutrients & Supplements (4200)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (534)
* Leaf Shines & Washes (97)
* Pest & Disease Control (586)
* Cloning & Propagation (450)
* Grow Systems ++ (721)
* Meters, Timers & Instruments ++ (661)
* Pots / Containers (1024)
* Pumps, Irrigation & Watering Supplies ++ (1720)
* Grow Media (555)
* Plant Seeds (62)
* Environmental Control ++ (2004)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1027)
* Hand Tools ++ (447)
* Gardening Books & DVDs (57)
* Growing Apparel & Bags (100)
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 521 to 540 (of 4200 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 
 Down To Earth Langbeinite (Sul-Po-Mag) 0-0-22 - 5 lb   Down to Earth   Down To Earth Langbeinite (Sul-Po-Mag) 0-0-22 - 5 lb 
A unique 3-in-1 combination of Potassium, Magnesium and Sulfur, Langbeinite is a naturally occurring source of these three vital plant nutrients. Potassium is essential for high quality fruit, Magnesium is required for the synthesis of chlorophyll and Sulfur is needed for enzyme activation. Contains 22% K2O, 11% Mg and 22% S.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 723732   $7.17 
 Down To Earth Neem Seed Meal - 5 lb   Down to Earth   Down To Earth Neem Seed Meal - 5 lb 
Neem Seed Meal is produced during the extraction of oil from the seed of the Indian Neem tree (Azadiracta indica). It is an excellent way to strengthen root systems, improve plant immunity and balance nutrient levels in the soil. Neem Seed Meal can be mixed into soil or potting mediums, used as a top dress or steeped to make a potent foliar tea.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 723736   $10.38 
 Fast Grow Dry 17-0-0. 40 lb   Vita Grow   Fast Grow Dry 17-0-0. 40 lb 
VITA GROW DRY SUPER FAST GROW 40 lb BOX NPK 17-0-0.Vita Grow plant food is a proven nutrient with a great field record. Both the dry and liquid plant food are derived from the same formula, the only difference is that water has been added to one and not the other. This means that you can switch from one to another without any growth difference in the plants. Vita Grow offers a thre... — Ships separately from Portland, Oregon USA....more info.
 HY4561   $91.39 
 Flora Grow. 1 Gallon   General Hydroponics   Flora Grow. 1 Gallon 
GENERAL HYDROPONICS FLORA GROW 2-1-6 1 GAL. #2 of a 3 part liquid nutrient .This three-part formula may be used in both hydroponics and soil. Check out the recipes in the second picture.... — Ships from Portland, Oregon USA....more info.
 HY211   $32.39 
 Flora Nectar Fruit-n-Fusion Sweetener - 1 qt   General Hydroponics   Flora Nectar Fruit-n-Fusion Sweetener - 1 qt 
General Hydroponics Flora Nectar Fruit-n-Fusion Sweetener - 1 qt (GH1601)FloraNectar Fruit-n-Fusion 0-0-1 contains all natural raw cane sugar, molasses, malt syrup, select plant based esters, L-amino acids, organic acids, polyflavonoids, vitamins and essential minerals. This unique blend of ingredients helps your plants regulate enzymes that trigger specific reactions involved in m... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1601   $12.89 
 FloraBloom 1 qt   General Hydroponics   FloraBloom 1 qt 
General Hydroponics FloraBloom 1 qt (GH1432)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 better... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1432   $8.37 
 FoxFarm Cha Ching 15 lb   FoxFarm   FoxFarm Cha Ching 15 lb 
Cha Ching® is a pH balanced blend of extra strength nutrients specifically formulated to increase essential oils and pump out heavy resins in fruit, buds and flowers. Formulated for use during late-flowering cycles, Cha Ching® contains an extra-strength micronutrient pack that has all the essential elements needed to support juicy fruit on compact, stocky plants. That means concent... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 732751   $102.52 
 FoxFarm Open Sesame 15 lb   FoxFarm   FoxFarm Open Sesame 15 lb 
Open Sesame® is a pH balanced blend of extra strength nutrients specifically designed for use during early flowering and ripening in fruits, buds and flowers. Open Sesame® will also enhance flower size and multiple bud development. Use in soilless mixes, organic soils, hydroponics and aeroponic systems. Open Sesame® is a high-phosphorus soluble fertilizer that's designed to bring p... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 719926   $108.92 
 GH RapidStart 500ml (12/Cs)   General Hydroponics   GH RapidStart 500ml (12/Cs) 
RapidStartGH RapidStart 500ml (12/Cs) (726860) Rapidstart enhances your growing experience by delivering a powerful blend of premium plant extracts, amino acids, and nutrients generating explosive root growth. Using Rapidstart stimulates prolific root branching and development of fine root hairs that increase nutrient uptake and grow healthier, whiter roots. Using Rapidstart ... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 726860   $44.34 
 Golden Humic Acid Extract. 32 fl. oz.   Blackjack   Golden Humic Acid Extract. 32 fl. oz. 
Blackjack Soil Company’s Golden Humic Acid Extract is a proprietary premium blend of 100% Humic Acid Extract in an aqueous base. Blackjack’s Golden Humic Acid Extract is fast acting and has a guaranteed source of Phosphorus as Available Phosphate P205 (0-2-0). To this date, the studies on this product and products like it are classified by State and Federal authorities as experimen... — Ships from Portland, Oregon USA....more info.
 FE636   $18.24 
 Grow More Bio Cozyme Bio Stimulant, 1 gal   GrowMore   Grow More Bio Cozyme Bio Stimulant, 1 gal 
A 100% organic biostimulant that enhances a plants ability to absorb and utilize nutrients. Derived from natural occurring cytokinins, hormones, enzymes, vitamins, amino acids and micronutrients. Works by enhancing the plants ability to control the movement of nutrients through the stem and leaves and augments the existing enzyme functions in the plant. Increases the synthesis of c... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GR16045   $20.85 
 HD IONIC™ BOOST QUART (12/CASE)   HydroDynamics International   HD IONIC™ BOOST QUART (12/CASE) 
Hydrodynamics - Ionic Boost IONIC BOOST QUART (12/CASE) Ionic Boost 0-5-6 is designed to be used with IONIC nutrient or any other full spectrum nutrient solution. Ionic Boost is a supplement formulated in the correct ratios to deliver the key elements phosphorus and potassium to the plant during the fruit bulking stages. This leads to larger, healthier flowers & more succ... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 732255   $14.31 
 HD NITROZIME™ 0-4-4 -  GALLON (4/CASE)   HydroDynamics International   HD NITROZIME™ 0-4-4 - GALLON (4/CASE) 
Nitrozime™ NITROZIME GALLON (4/CASE) This highly concentrated plant nutrient supplement is a 100% organic marine algae extract. Nitrozyme is most effective when used as a foliar spray, but can also be used in hydroponics and soil. For use on plants during all stages of growth from seedlings to mature plants. Manufacturer's Product In... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 732310   $116.23 
 HUMBOLDT HONEY ORGANIC ES 32OZ 12/CS   Humboldt Nutrients   HUMBOLDT HONEY ORGANIC ES 32OZ 12/CS 
Humboldt Nutrients Honey Organic ES Humboldt Honey ES is an excellent source of carbohydrates for all plants. It also helps promote and facilitate the growth of beneficial bacteria and fungi in your soil and soil-les media. The ingredients that make up Homboldt Honey ES work synergistically to produce improved flavors, aromas, and plant bio-mass. Add 5-10 m. per gallon.... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 723112   $14.65 
 Hydroguard, 1 gal   Botanicare   Hydroguard, 1 gal 
Botanicare Hydroguard, 1 gal (BCNBHGGAL)Hydroguard is back with a new, clean look and a more powerful, concentrated formula. Hydroguard's reformulation makes it even more effective than before. It's unique formula, available exclusively from Botanicare, contains an isolated form of Bacillus bacteria known as Bacillus Amyloliquefaciens. This scientifically isolated bacterium was... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNBHGGAL   $46.59 
 Maxsea Bloom Plant Food 3-20-20 - 1.5 lb (12/Cs)      Maxsea Bloom Plant Food 3-20-20 - 1.5 lb (12/Cs) 
Maxsea Bloom Plant Food Maxsea 3-20-20 Bloom Plant Food is especially formulated to improve flowering, bud set, bud count, blossom quality, quantity and size on all flowering plants, as well as promoting abundant fruit and vegetable yields. From roses to tomatoes, this blend boosts your bounty. Use Maxsea Bloom when flowering plants are beginning to set buds and continue to use th... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 722265   $11.29 
 Organicare Pure Bloom Granular 12 lbs   Organicare   Organicare Pure Bloom Granular 12 lbs 
Organicare Pure Bloom Granular Pure BloomPure Granular Bloom 1-5-4 is primarily formulated for soil gardeners. Pure Bloom's slow release all organic granules will satisfy your fruiting and flowering plants nutritional needs during the bloom phase of their grow cycle while providing critical soil micro-organisms with the food supply they need to flourish.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 739068   $20.86 
 pH - Down Qt. (12/Case)   Ecogrow   pH - Down Qt. (12/Case) 
pH - Down Qt. (12/Case) (eco-2063)LIQUID pH - Up & pH - Down *both contain 8 % solution Manufacturer's Product Information MSRP $6.5 ... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2063   $5.22 
 RAW BLOOM, 8 oz   NPK Industries   RAW BLOOM, 8 oz 
RAW BLOOM is a tested house blend of All RAW soluble plant nutrients and plant supplements that has been proven to be an optimal All in One horticultural fertilizer.... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OG4620   $16.48 
 RAW Cane Molasses, 2 oz   NPK Industries   RAW Cane Molasses, 2 oz 
RAW Cane Molasses is a soluble plant supplement that is used for horticultural purposes. RAW Cane Molasses is a fully water Soluble powder which is highly concentrated. RAW Cane Molasses gives you all the benefits of liquid molasses without all the mess. A 2 oz package of RAW Cane Molasses makes up to 200 gallons, an 8 oz package makes up to 800 gallons and a 2 lb package make... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OG2900   $7.75 
Displaying 521 to 540 (of 4200 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
Ads
Global Tech LED Mammoth

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
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order