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
LightRail Switch Stop Kit for LightRail 3.5/4.0, pack of 6
LightRail Switch Stop Kit for LightRail 3.5/4.0, pack of 6
$6.35
$5.99
What's New? more
Autopilot CO2 Generator, 8 Burner, LP, High Altitude
hf-APGP0800H
Autopilot CO2 Generator, 8 Burner, LP, High Altitude
$307.18
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (525)
* Lighting Systems ++ (1195)
! Nutrients & Supplements (4257)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (527)
* Leaf Shines & Washes (94)
* Pest & Disease Control (595)
* Cloning & Propagation (440)
* Grow Systems ++ (715)
* Meters, Timers & Instruments ++ (632)
* Pots / Containers (1025)
* Pumps, Irrigation & Watering Supplies ++ (1726)
* Grow Media (548)
* Plant Seeds (62)
* Environmental Control ++ (2032)
* 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 321 to 340 (of 4257 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 ...  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price-   Buy Now 
 MycoMadness 5 lb.   Humboldt Nutrients   MycoMadness 5 lb. 
Humboldt Nutrients MycoMadness 5 lb. (HNMMA415)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-HNMMA415   $233.81 
 Snoop's Premium Nutrients Yummy Yield 10 Liter (2/Cs)      Snoop's Premium Nutrients Yummy Yield 10 Liter (2/Cs) 
Snoop's Premium Nutrients Yummy Yield 10 Liter (2/Cs) (705540)Snoop?s Premium Nutrients Yummy Yield is a unique growth promoter which aids photosynthesis throughout the entire life cycle as well as flower growth in the bloom phase. Snoop?s Premium Nutrients Yummy Yield also helps regulate the opening and closing of the stomata allowing efficient water use.... This item is sold individually. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 705540   $233.81 
 SUGARDADDY 20L 1/CS   Technaflora   SUGARDADDY 20L 1/CS 
SugarDaddy The unique combination of ingredients in SugarDaddy are vital for all stages of plant growth and development. During the seedling stage SugarDaddy rapidly accelerates sprout growth and prepares plants for transplanting. During the vegetative stage SugarDaddy promotes strong plant structure which is a critical precursor to final yield success.... This item is sold individually. — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 726738   $232.62 
 GH Flora Micro 15 Gallon   General Hydroponics   GH Flora Micro 15 Gallon 
FloraMicro 5-0-1GH Flora Micro 15 Gallon (718137)The foundation of the “building-block” system. Provides Nitrogen, Potassium, Calcium and trace elements. Combine with Flora Gro® and Flora Bloom®. Manufacturer's Product Information MSRP $425 ... — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718137   $231.63 
 Cutting Edge Bloom 20 Gallon   Cutting Edge Solutions   Cutting Edge Bloom 20 Gallon 
Cutting Edge Bloom 20 Gallon (715650)Cutting Edge Solutions Bloom 0 - 6 - 5 BLOOM is a Phosphorus heavy formula for enhancing ower production, as well as to encourage a plant to shift it's hormonal signals from vegetative to owering. BLOOM also contains Potassium to enhance the plant's photosynthetic rate and energy transfer throughout the plant. BLOOM also contains lesser amo... — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 715650   $229.99 
 Cutting Edge Grow 20 Gallon   Cutting Edge Solutions   Cutting Edge Grow 20 Gallon 
Cutting Edge Grow 20 Gallon (715620)Cutting Edge Solutions Grow 2 - 1 - 6 GROW is another component of the CES base 3-part. To be used in the vegetative stage, GROW adds more Nitrogen for growth, and Potassium to enhance the plant's photosynthetic rate and energy transfer throughout the plant. GROW is used only in the vegetative stage and is completely omitted during the bloomin... — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 715620   $229.99 
 ONENESS 5 GALLON   Humboldt Nutrients   ONENESS 5 GALLON 
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... — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723184   $229.85 
 Thrive Alive B1 Red, 10 lt.   Technaflora   Thrive Alive B1 Red, 10 lt. 
Technaflora Thrive Alive B1 Red, 10 lt. (TFTARD10L)Thrive Alive is a power-packed preventative and restorative general purpose plant tonic. Thrive Alive stimulates rapid and lush vegetative growth and will ensure the success of floral crops by promoting profuse flowering during blossoming. Its professionally balanced formulation contains vitamins and nutrients, which are cultured i... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-TFTARD10L   $229.60 
 Ginormous 5 gal.   Humboldt Nutrients   Ginormous 5 gal. 
Humboldt Nutrients Ginormous 5 gal. (HNHG420)Ginormous was specifically formulated to help your favorite plants yield the largest fruits, higher brix levels and better aromas. Ginormous is free of any harmful hormones and is 100% bio-degradable. Using naturally derived premium ingredients, macro and micro elements and carbohydrates, this unique formula will assist in the highest le... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNHG420   $228.25 
 GROTEK® MONSTER BLOOM™ 0-50-30 - 5KG   Grotek   GROTEK® MONSTER BLOOM™ 0-50-30 - 5KG 
Grotek Monster Bloom™ MONSTER BLOOM 5KG Monster Bloom™ is designed to increase the plant's ability to flower. It increases the essential oil content in herbs and speeds up the development of flower bud set and the total flowering phase. Monster Bloom™ adds size and mass to flowers in the budding and flowering cycles. Stop using the last two weeks of the ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718835   $227.22 
 Ultrafine Mycorrhizae All-in-One, 15 lbs   HydroFarm   Ultrafine Mycorrhizae All-in-One, 15 lbs 
GreenGro Ultrafine Mycorrhizae All-in-One, 15 lbs (GG1150)GreenGro Ultrafine Mycorrhizae will increase your plant's growth potential, its fruiting and flowering potential and its nutrient storage and uptake. It will promote massive root systems, great soil structure and a diverse soil ecology for your plant. Ultrafine Mycorrhizae will also reduce drought stress and water/nutrient ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GG1150   $226.37 
 SugarDaddy 20 lt   Technaflora   SugarDaddy 20 lt 
Technaflora SugarDaddy 20 lt (TFSD20L)SugarDaddy is a revolutionary plant nutrition product that supplies essential carbohydrates and all twenty amino acids in a rapidly available form which greatly enhances the fragrance and essential oil production of flowers and fruits during all stages. SugarDaddy ensures continued rapid growth rates throughout the flowering stage as nitrogen l... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-TFSD20L   $226.21 
 FloraMicro 15 Gal   General Hydroponics   FloraMicro 15 Gal 
General Hydroponics FloraMicro 15 Gal (GH1416)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 quality. Users can adjust mixtures to suit specific plant needs. Flora Series enhances flavor, nutrition, aroma, potency, and essential oils in bo... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1416   $225.25 
 Hardwater FloraMicro 15 Gal   General Hydroponics   Hardwater FloraMicro 15 Gal 
General Hydroponics Hardwater FloraMicro 15 Gal (GH1616)FLORAMICRO HARDWATER: If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use FloraMicro Hardwater. If your water contains 30 to 50 ppm Calcium, you can mix our original FloraMicro with FloraMicro Hardwater to create a perfect Micro blend for your plants. The original Building-Block Nutrient System, often... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1616   $225.25 
 Grow 20 gal   Cutting Edge Solutions   Grow 20 gal 
Cutting Edge Solutions Grow 20 gal (CES2206)CES GROW is another component of the CES base 3-part. To be used in the vegetative stage, GROW adds more Nitrogen for growth, and Potassium to enhance the plant's photosynthetic rate and energy transfer throughout the plant. GROW is used only in the vegetative stage and is completely omitted during the blooming stage. ... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-CES2206   $223.66 
 Botanicare Fulvex 15 Gallon   Botanicare   Botanicare Fulvex 15 Gallon 
Botanicare FulvexBotanicare Fulvex 15 Gallon (739095)Botanicare® Fulvex is an OMRI listed liquid trace mineral extract that corrects nutrient lock out conditions and amplifies nutrient uptake. Formulated using a patented formula, Fulvex increases the availability of nutrients and mineral diffusion into root cells without the use of harsh chemicals to maximize plants growth and ... — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 739095   $223.23 
 Plant Success Soluble 5 lb.   Plant Revolution   Plant Success Soluble 5 lb. 
Plant Success Plant Success Soluble 5 lb. (PRPSSOL5)Plant Success Soluble is a soil drench for porous soil and contains 13 carefully selected mycorrhizal fungi, 2 tricoderma species, and 17 bacterial species well-suited to a variety of soils, climates, and plants. Plant Success Soluble contains mycorrhizal fungi that colonize plant roots and extend the root system into the surround... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-PRPSSOL5   $222.60 
 Pure Flower 0-30-20, 5 gal   Higrocorp   Pure Flower 0-30-20, 5 gal 
Pure Flowers liquid was scientifically formulated with cutting edge phosphite technology. Pure Flowers 0-30-20 has the highest nutrient levels ever achieved in a completely solubilized liquid. The unique molecular structure of a phosphite is easily absorbed through the roots and leaves ensuring the crop instantly uptakes potassium and phosphorus. The ultimate flowering supplement w... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-EH6030   $222.55 
 Humboldt Deuce Deuce 5 Gallon   Humboldt Nutrients   Humboldt Deuce Deuce 5 Gallon 
Hum-Boldt Deuce Deuce Deuce Deuce is derived from sulfate of Potash, Pro-biotic Potassium, and Ascophyllum Nodosum. Potassium aids plants in enzymatic function, protein and cellulose formation, efficient photosynthesis, and rapid transportation of carbohydrates and starches throughout a plants vascular system. It will also harden flowers and improve resistance to disease and ins... — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723174   $222.25 
 Xtreme Gardening Mykos WP 15 lbs.   Xtreme Gardening   Xtreme Gardening Mykos WP 15 lbs. 
Xtreme Gardening Mykos WP 15 lbs. (721230)Xtreme Gardening Mykos WP Mykos WP: Mycorrhizal Inoculant - Pure, Fresh, Alive is a Wettable Powder version of Mykos. Proprietary production method ensures spore-viability and superiority over conventional micronized mycorrhizae. Manufacturer's Product Information ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 721230   $221.82 
Displaying 321 to 340 (of 4257 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 ...  [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

UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2018 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order