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  
Happy National Garden Month!
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!

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 641 to 660 (of 4353 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 
 Final Flush Blueberry, 1 L   Grotek   Final Flush Blueberry, 1 L 
Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build-up can cause problems for growing plants and can cause bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct over feeding issues during crop production while eliminating excess salts from the medium during the final stages of plant growth... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GTFFB1L   $11.14 
 Final Flush Grapefruit 1 L   Grotek   Final Flush Grapefruit 1 L 
Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build up can cause problems for growing plants and bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct overfeeding issues during crop production and also eliminate excess salts from the medium during the final stages of plant growth. The or... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GTFFGF1L   $11.14 
 Final Flush GreenApple 1 L   Grotek   Final Flush GreenApple 1 L 
Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build up can cause problems for growing plants and bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct overfeeding issues during crop production and also eliminate excess salts from the medium during the final stages of plant growth.... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GTFFGA1L   $11.14 
 Final Flush Pina Colada 1L   Grotek   Final Flush Pina Colada 1L 
Grotek Final Flush Pina Colada 1L (GTFFPC1L)During growth and production plants may store excess fertilizer salts in their tissues which can leave fruits and vegetables with a bitter flavor. Final Flush Pina Colada eliminates these excess salts. Manufacturer's Product Information ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GTFFPC1L   $11.14 
 Final Flush Strawberry, 1 L   Grotek   Final Flush Strawberry, 1 L 
Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build-up can cause problems for growing plants and can cause bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct over feeding issues during crop production while eliminating excess salts from the medium during the final stages of plant growth... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GTFFS1L   $11.14 
 FLAVORFUL 32oz (12/CS)   Humboldt Nutrients   FLAVORFUL 32oz (12/CS) 
Humboldt Flavorful FlavorFul is 8% Fulvic acid with a dark, amber color indicating the high concentration. FlavorFul is comprised of long chains of organic carboxyl and polyhydroxide acids. Electrolytes are the key to healthy ion exchanges in plants and animals. Plants thirst for electrolytes to optimize health, and to maintain sustained vigorous growth. FlavorFul contains elect... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723076   $11.15 
 HUM-BOLDT HUMIC 32OZ 12/CS   Humboldt Nutrients   HUM-BOLDT HUMIC 32OZ 12/CS 
Humboldt Humic HUM-BOLT is a 8% Humic Acid which promotes high ion exchange capabilities, stimulates plant enzymes, increases beneficial organisms and acts as an organic catalyst. HUM-BOLT is a long-chain molecule which plays many roles in living organisms, it is a free radical scavenger, binding up free electrons, as well as heavy metals which can negatively affect proper cell ... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723086   $11.15 
 Grower's Secret Grow Big 32 oz   HydroFarm   Grower's Secret Grow Big 32 oz 
Grower's Secret Grower's Secret Grow Big 32 oz (GSGB32)Grow Big 5-2-1 is milled and refined to 50 microns so it will pass though any hose-end sprayer, irrigation system, or hydroponics system. It comes with a reusable hose-end sprayer and is the easiest way to green up and grow big your organic garden or yard. This formula combines nutrient-rich organic fish emulsion with patented ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GSGB32   $11.19 
 RAW ominA, 2 oz   NPK Industries   RAW ominA, 2 oz 
RAW ominA (essential) is a soluble plant supplement that is used for horticultural purposes. RAW ominA (essential) is derived from Plant Protein Hydrolysate. This product is fully water Soluble which contains an essential form of vegan nitrogen that can be used at all stages. A 2 oz package of RAW ominA (essential) makes up to 200 gallons, an 8 oz package makes up to 800 gallo... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OG3400   $11.20 
 RAW Full Up, 2 oz   NPK Industries   RAW Full Up, 2 oz 
RAW Full Up (uptake) is a soluble plant supplement that is used for horticultural purposes. RAW Full Up (uptake) contains 10% Humic Acids derived from Peat. This product is fully water Soluble and may increase micronutrient uptake. A 2 oz package of RAW Full Up makes up to 200 gallons, an 8 oz package makes up to 800 gallons and a 2 lb package makes up to 3,200 gallons. RAW = so... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OG3000   $11.20 
 Heavy Weight 1L   Whitmire Micro-gen   Heavy Weight 1L 
Whitmire Heavy Weight 1L (NLHW1L) Adds size and weight to flowering plants Enhances Phosphate interaction with other plant nutrients Improves and regenerates beneficial soil micro-organism population, which in turn produce organic acids, humus and plant nutrients Dramatically enhances Phosphates function in plants, which in turn enhances fruiting, flowering and plant ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-NLHW1L   $11.20 
 BioMarine Qt.   General Hydroponics   BioMarine Qt. 
General Organics BioMarine Qt. (GH5352)BioMarine is an enzamatically digested fish protein that naturally enhances soil and boosts plant growth. This fish-based fertilizer encourages beneficial microbes for better roots, stems, foliage, flowers, and fruits. A superior natural source of plant nutrition, BioMarine suits all types of plants during all phases of growth, from seedling t... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH5352   $11.21 
 Diamond Black Qt.   General Hydroponics   Diamond Black Qt. 
General Organics Diamond Black Qt. (GH5362)Diamond Black® is derived from 100% pure Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Diamond Black contains an exceptionally high percentage of plant-active humates. These organic compounds improve nutrient absorption, stimulate microbial activity, promote soil structure, increase nutrient ret... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH5362   $11.21 
 Uprising Foundation 3lb   Aurora Innovations   Uprising Foundation 3lb 
Roots Organics Uprising Foundation 3lb (ROUF3)Roots Organics Uprising Foundation is a diverse blend of natural and organic ingredients specially formulated for maximum results. When used alone as an amendment or as a top dress this formulais very effective for supplementing calcium, magnesium andiron. However it is particularly effective when blended withRoots Organics Uprising... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ROUF3   $11.22 
 KIND Base, 1 qt   Botanicare   KIND Base, 1 qt 
KIND® represents the culmination of more than 15 years of knowledge and expertise, combined with extensive experimentation and testing. KIND provides optimal plant nutrition in perfect balance to meet your plants demands at any stage of growth, in any medium. KIND was formulated to be more versatile, easy to use, and effective than any nutrient ever created. This ground breaking nu... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNKBSQT   $11.22 
 KIND Bloom, 1 qt   Botanicare   KIND Bloom, 1 qt 
KIND® represents the culmination of more than 15 years of knowledge and expertise, combined with extensive experimentation and testing. KIND provides optimal plant nutrition in perfect balance to meet your plants demands at any stage of growth, in any medium. KIND was formulated to be more versatile, easy to use, and effective than any nutrient ever created. This ground breaking nu... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNKBLMQT   $11.22 
 Hydroplex Bloom 8oz   Botanicare   Hydroplex Bloom 8oz 
Botanicare Hydroplex Bloom 8oz (BCNSHPB8)Hydroplex, Bloom Maximizer0-10-6 A premium plant nutrient supplement formulated to push your crops to their limits. It contains optimum levels of potassium and phosphorus to encourage rapid bud formation and amplified flower size. In addition, Hydroplex contains a vast array of essential amino acids involved in the transfer of ribonucleic ac... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNSHPB8   $11.22 
 KIND Grow, 1 qt   Botanicare   KIND Grow, 1 qt 
KIND® represents the culmination of more than 15 years of knowledge and expertise, combined with extensive experimentation and testing. KIND provides optimal plant nutrition in perfect balance to meet your plants demands at any stage of growth, in any medium. KIND was formulated to be more versatile, easy to use, and effective than any nutrient ever created. This ground breaking nu... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNKGQT   $11.22 
 Microbe Life Photosynthesis Plus Pint (12/CS)   MICROBE Life Hydroponics   Microbe Life Photosynthesis Plus Pint (12/CS) 
Microbe Life Photosynthesis Plus Enhances plant functions at the foliar level and the root zone in both soil and soilless substrates. Enhances photosynthesis and biological function by allowing plants to capture and utilize radiant energy more efficiently. Speeds uptake and distribution of essential macro- and micro- nutrients required for all plant metabolic functions and gro... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 717500   $11.28 
 Hesi Powerzyme 500ML      Hesi Powerzyme 500ML 
Hesi Powerzyme 500ML (HES5022)Hesi PowerZyme Hesi PowerZyme keeps plant substrates clean while decomposing plant residues into dextrose. Dextrose serves as nutrition for roots and ground vegetation. PowerZyme provides oxygen-rich plant substrate by avoiding decay and improves the ecological balance. Manufacturer's Product Information ... — Ships from DL: Livermore, California USA....more info.
 dl-HES5022   $11.28 
Displaying 641 to 660 (of 4353 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
Specials more
Iron Supplement 16oz
Iron Supplement 16oz
$11.57
$10.94
What's New? more
Grower's Edge Plastic Adjustable Plant Tie 5 in (50 = 1/Pack) (96/Cs)
800091
Grower's Edge Plastic Adjustable Plant Tie 5 in (50 = 1/Pack) (96/Cs)
$1.65
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (532)
* Lighting Systems ++ (1235)
! Nutrients & Supplements (4353)
* Composters & Compost Tea Brewing (41)
* Organic Gardening (522)
* Leaf Shines & Washes (93)
* Pest & Disease Control (609)
* Cloning & Propagation (439)
* Grow Systems ++ (724)
* Meters, Timers & Instruments ++ (655)
* Pots / Containers (1033)
* Pumps, Irrigation & Watering Supplies ++ (1745)
* Grow Media (548)
* Plant Seeds (62)
* Environmental Control ++ (2067)
* Greenhouses (83)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1137)
* Hand Tools ++ (463)
* Gardening Books & DVDs (55)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Ads
Languages
English Deutsch Español
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