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
Smart Pot Big Bag Bed Fabric Raised Bed, 100 gal
Smart Pot Big Bag Bed Fabric Raised Bed, 100 gal
$26.75
$24.93
What's New? more
Hydro Flow Polyester Y Filter Replacement Screen 150 mesh - Display Box (Case of 25)
742670
Hydro Flow Polyester Y Filter Replacement Screen 150 mesh - Display Box (Case of 25)
$72.61
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 661 to 680 (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 
 KoolBloom 4 oz   General Hydroponics   KoolBloom 4 oz 
General Hydroponics KoolBloom 4 oz (GH1315)KoolBloom • Encourages abundant flowering. • Facilitates ripening in annuals. • Boosts production of essential oils and fragrances. • Increases size and weight of fruits and flowers. • Precisely formulated to boost potency and enhance the performance of all types of nutrients. Dry KoolBloom is packed with the... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1315   $10.23 
 Liquid Humic Acid. 16 fl. oz.   Blackjack   Liquid Humic Acid. 16 fl. oz. 
Blackjack Soil Company’s Liquid Humic Acid is a proprietary premium blend of 100% Humic minerals from Leonardite in an aqueous base. Blackjack’s Liquid Humic Acid 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 experimental.... — Ships from Portland, Oregon USA....more info.
 FE630   $13.16 
 Liquid Karma, 1 gal   Botanicare   Liquid Karma, 1 gal 
Botanicare Liquid Karma, 1 gal (BC32303)Formulated by a Ph.D. plant physiologist, this bio-catalyst plant stimulant has active organic compounds not found in regular plant foods or supplements. These compounds act as regulatory signals, activators, or catalysts, producing synchronized and accelerated growth under even the toughest growing conditions. ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BC32303   $42.97 
 Maxsea All Purpose Plant Food 16-16-16 - 6 lb (4/Cs)      Maxsea All Purpose Plant Food 16-16-16 - 6 lb (4/Cs) 
Maxsea All Purpose Plant Food Maxsea 16-16-16 All Purpose Plant Food is designed for year ’round use on all plants, indoors and outdoors. A regular feeding program will promote vigorous, sturdy plants with distinct, dark, seaweed green foliage, quality blossoms and abundant fruit and vegetables. Comprised of primary plant foods nitrogen, phosphorus and potassium. A full spectrum o... 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.
 722255   $35.75 
 Maxsea Bloom Plant Food 3-20-20 - 6 lb (4/Cs)      Maxsea Bloom Plant Food 3-20-20 - 6 lb (4/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.
 722270   $35.75 
 MYCO MADNESS SOLUBLE 1LB 12/CS   Humboldt Nutrients   MYCO MADNESS SOLUBLE 1LB 12/CS 
Humboldt Myco Madness Soluble Myco Madness contains a bio-stimulant package, 18 mycorrhizal species, 19 beneficial bacteria and 2 trichoderma species well-suited to a variety of media, soil conditions, climates, and plants. It contains mycorrhizal fungi that colonize plant roots and extend the root system into the surrounding media, greatly enhancing the absorptive surface area ... 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.
 723130   $56.36 
 MYCO MADNESS SOLUBLE 8OZ 12/CS   Humboldt Nutrients   MYCO MADNESS SOLUBLE 8OZ 12/CS 
Humboldt Myco Madness Soluble Myco Madness contains a bio-stimulant package, 18 mycorrhizal species, 19 beneficial bacteria and 2 trichoderma species well-suited to a variety of media, soil conditions, climates, and plants. It contains mycorrhizal fungi that colonize plant roots and extend the root system into the surrounding media, greatly enhancing the absorptive surface area ... 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.
 723128   $31.31 
 MYCO MAXIMUM 5LB   Humboldt Nutrients   MYCO MAXIMUM 5LB 
Humboldt Myco Max Granular Myco Maximum granular contains humic acids, organic fertilizer, 10 species of growth-enhancing mycorrhizal fungi, 19 strains of beneficial bacteria, 2 Trichoderma species, micronutrients, 11 time-released carbohydrates, and 20 different amino acids. It adds organic matter and contains nitrogen, phosphorous, potassium, and micronutrients necessary for 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.
 723138   $123.98 
 MycoMadness 4 oz.   Humboldt Nutrients   MycoMadness 4 oz. 
Humboldt Nutrients MycoMadness 4 oz. (HNMMA400)Not for sale in Hawaii Myco Madness is a soluble powder which contains a biologically active package: 9 mycorrhizal species, 15 beneficial bacteria and 2 trichoderma species well-suited to a variety of media, soil conditions, climates and plants. Myco Madness contains mycorrhizal fungi that colonize plant roots and exten... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNMMA400   $16.77 
 Natural 2-Part Box Starter Kit   Humboldt Nutrients   Natural 2-Part Box Starter Kit 
Humboldt Nutrients Natural Two-Part Basic Starter Kit includes the key natural products that gardeners who demand only the most natural elements expect. Included are Grow Natural and Bloom Natural, the centerpieces of HN's natural feeding schedule. Also included are an excellent natural additive, Humboldt Honey ES, and a natural soluble mycorrhizal compound, MycoMadness. These fou... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNBKN300   $32.82 
 Nectar for the Gods Herculean Harvest Gallon (4/Cs)   Oregon's Only Organics   Nectar for the Gods Herculean Harvest Gallon (4/Cs) 
Nectar for the Gods - Herculean Harvest “WOW” best describes this product. Like no other liquid bone meal in the industry, Herculean will make things happen. Rich in calcium phosphate, liquid bone meal serves two major purposes in an indoor garden: As a feed, Herculean will promote stronger cell strength, solid stems and heavier fruit; As a flush, bone meal will tie up unwanted sa... 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.
 746242   $21.46 
 Nectar for the Gods Herculean Harvest Quart (12/Cs)   Oregon's Only Organics   Nectar for the Gods Herculean Harvest Quart (12/Cs) 
Nectar for the Gods - Herculean Harvest “WOW” best describes this product. Like no other liquid bone meal in the industry, Herculean will make things happen. Rich in calcium phosphate, liquid bone meal serves two major purposes in an indoor garden: As a feed, Herculean will promote stronger cell strength, solid stems and heavier fruit; As a flush, bone meal will tie up unwanted sa... 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.
 746240   $7.15 
 NPK RAW Calcium/Mag 2 lb Dry (3/Cs)   NPK Industries   NPK RAW Calcium/Mag 2 lb Dry (3/Cs) 
NPK RAW Calcium/Mag 9-0-0 RAW Calcium/Mag is a fully soluble plant supplement which contains 15% calcium and 3% magnesium. RAW Calcium/Mag is a great way to supplement any feeding program.... 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.
 717865   $47.66 
 NPK RAW Full Up 0.125 lb Dry (12/Cs)   NPK Industries   NPK RAW Full Up 0.125 lb Dry (12/Cs) 
NPK RAW Full Up RAW Full Up is a fully soluble plant supplement which contains 10% humic acids derived from peat. RAW Full Up is a great way to supplement any feeding program.... 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.
 717873   $10.11 
 NPK RAW Potassium 0.125 lb Dry (12/Cs)   NPK Industries   NPK RAW Potassium 0.125 lb Dry (12/Cs) 
NPK RAW Potassium 0-0-50 RAW Potassium is a fully soluble plant supplement which contains 50% soluble potash. RAW Potassium is a great way to supplement any feeding program.... 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.
 717909   $5.27 
 NPK RAW Silica 2 lb Dry (3/Cs)   NPK Industries   NPK RAW Silica 2 lb Dry (3/Cs) 
NPK RAW Silica 0-0-3 RAW Silica is a fully flowable plant supplement which contains 45% silicon dioxide. RAW Silica is a great way to supplement any feeding program.... 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.
 717919   $58.39 
 ONENESS QUART 12/CS   Humboldt Nutrients   ONENESS QUART 12/CS 
Humboldt Nutrients Oneness 5-9-4 Humboldt Nutrients team of agronomists and chemists have created the first naturally chelated One-part formula on the market. Oneness is the most advanced one part nutrient on the market. It is the perfect solution for the beginning gardener, looking for experienced results. Oneness is formulated with over 30 different natural chelates. Oneness c... 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.
 723178   $15.02 
 ORCA LIQUID MYCO 32OZ      ORCA LIQUID MYCO 32OZ 
Plant Success Orca Liquid Mycorrhizae Orca™ is a highly concentrate mycorrhizal and beneficial bacteria product. Bringing together 4 highly effective endo mycorrhizal species with 11 super aggresive bacteria strains this all-in-one inoculant is all you need when it comes to beneficials. Easy to use and highly concentrated.... — 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.
 720355   $47.17 
 Organic Bountea Marine Mineral Magic M3 20 lb (4/Cs) (Special Order)      Organic Bountea Marine Mineral Magic M3 20 lb (4/Cs) (Special Order) 
Organic Bountea Marine Mineral Magic M3 7 - 1 - 1. A natural source of nitrogen and minerals. Boosts development of leaves and shoots. Fortifies stressed plants during growth phase. Re-mineralizes depleted soils. Supplies trace elements and nutrients. Invigorates soil ecology. An excellent source of diverse trace minerals from the land and the sea. Foliar feed plants with mineral o... 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.
 739716   $106.20 
 Plant Success Tablets   Plant Revolution   Plant Success Tablets 
Plant Success Plant Success Tablets (PRPST05)Plant Success tablets are mycorrhizal tablets that consist of 17 carefully selected species of endomycorrhizae and ectomycorrhizae that are well suited to a variety of soils, climates, and plants. Plant Success tablets contain mycorrhizal fungi that colonize roots and extend into the surrounding soil forming an essential link between pla... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-PRPST05   $1.56 
Displaying 661 to 680 (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