Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Nutrients & Supplements   Mobile   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.
Categories
* Lamps / Tubes / Bulbs ++ (538)
* Lighting Systems ++ (1133)
! Nutrients & Supplements (4217)
* Composters & Compost Tea Brewing (35)
* Organic Gardening (458)
* Leaf Shines & Washes (127)
* Pest & Disease Control (522)
* Cloning & Propagation (378)
* Grow Systems ++ (648)
* Meters, Timers & Instruments ++ (709)
* Pots / Containers (913)
* Pumps, Irrigation & Watering Supplies ++ (1448)
* Grow Media (557)
* Plant Seeds (10)
* Environmental Control ++ (1967)
* Greenhouses (86)
* Grow Rooms / Tents (151)
* Reflective / B&W Films (119)
* Garden Accessories ++ (815)
* Hand Tools ++ (520)
* Gardening Books & DVDs (59)
* Growing Apparel (1)
Manufacturers more
What's New? more
Smart Pot Tray Liner, 4' x 8' x 12"
hf-RC48
Smart Pot Tray Liner, 4' x 8' x 12"
$49.52
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 31 guests online.
Frequent search words
Ads

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 481 to 500 (of 4217 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 
 X Nutrients Grow Spray (1 Quart)      X Nutrients Grow Spray (1 Quart) 
X Nutrients Grow Spray (1 Quart) (XNHFLSP-1QT)Grow Spray is a power packed nutrient spray applied to a plant's leaves prior to its flower and fruit stage. It can be used in soil or in hydroponic systems and alongside other nutrient products. Grow Spray is extremely effective and is safe to use with other nutrients. Though it is important to water plants with nutrients, Grow Spra... — Ships from DL: Livermore, California USA...more info.
 dl-XNHFLSP-1QT   $10.00 
 X Nutrients Grow Spray (32oz)      X Nutrients Grow Spray (32oz) 
X Nutrients Grow Spray (32oz) (HFLSP-1QT)Grow Spray is a power packed nutrient spray applied to a plant's leaves prior to its flower and fruit stage. It can be used in soil or in hydroponic systems and alongside other nutrient products. Grow Spray is extremely effective and is safe to use with other nutrients. Though it is important to water plants with nutrients, Grow Spray can... — Ships from DL: Livermore, California USA...more info.
 dl-HFLSP-1QT   $10.00 
 HAWAIIAN BUD 5-50-17 1.5LB      HAWAIIAN BUD 5-50-17 1.5LB 
Grow More Hawaiian Bud Specially formulated to supply phosphate and potash for late flowering cycle. Fortified with six trace elements plus Humic Acid and Norwegian kelp extract to help produce heavy weight flowers and buds. Correct nutrient ratio to mobilize essential oils and resins for aromatic flowering plants. Developed for use in soilless, hydroponic, organic soils, coco c... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 721610   $10.01 
 Grow More Hula Bloom 1.5 lb (12/Cs)   GrowMore   Grow More Hula Bloom 1.5 lb (12/Cs) 
Grow More Hula Bloom 0 - 50 - 30 Hula Bloom is formulated to help increase flowering quality and development of blooms, while helping to increase yields. Hula Bloom provides super phosphates and minerals that are rapidly absorbed in the flowering and final ripening stages of plant growth for a superior, top quality product. Recommended for plumerias, gingers, adenium, aquatic po... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 721617   $10.02 
 Magnum Quart (12/Cs)      Magnum Quart (12/Cs) 
Magnum Magnum is a concentrated Magnesium supplement with vitamin B1 for supplying extra Magnesium and Sulfur during the Bloom phase.... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 739210   $10.04 
 GH CaliMagic - Quart   General Hydroponics   GH CaliMagic - Quart 
CALiMAGic™ - is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot and tip burn in many crops such as tomatoes and lettuce as well as other Calcium intensive... — Ships from Seattle, Washington USA...more info.
 eco-2844   $10.13 
 Bushdoctor Microbe Brew 1 pt   FoxFarm   Bushdoctor Microbe Brew 1 pt 
FoxFarm Bushdoctor Microbe Brew 1 pt (FX14096)Bushdoctor Microbe Brew is a complex blend of ingredients specially formulated to help plants achieve optimum microbial habitats at the rhizosphere or root zone environment. Microbe Brew contains concentrated amounts of fungi and bacteria spores that will inoculate large populations at a rapid pace. Microbe Brew also contains macro and ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-FX14096   $10.15 
 MaxiCrop Original qt   maxicrop   MaxiCrop Original qt 
MaxiCrop MaxiCrop Original qt (MCORGQT) MaxiCrop's basic pure seaweed extract's natural growth stimulants initiate cell growth and cause vigorous growth of both root and stem. The trace elements that Maxicrop Liquid Seaweed contains are important at this stage-in enzymes, as activators of enzyme systems, and as stimulants. Manufacturer'... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-MCORGQT   $10.15 
 Triflex Grow, 1 qt   Botanicare   Triflex Grow, 1 qt 
Botanicare Triflex Grow, 1 qt (BCNTFGQT)Scientifically formulated three-part bio-organic nutrient system for plants based on time-tested formulas developed for plant tissue culture and hydroponics by a Ph.D plant physiologist. The three-part nutrient consists of base formula, grow formula and bloom formula. Manufacturer's Product Inform... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-BCNTFGQT   $10.15 
 Sea Mag 16 oz.   Humboldt Nutrients   Sea Mag 16 oz. 
Humboldt Nutrients Sea Mag 16 oz. (HNS404)Sea Mag 1-3-4 Humboldt Nutrients Sea Mag was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea Mag may be utilized for any type of vegetable, flower or herb. Sea Mag is load... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNS404   $10.17 
 GROTEK® INSTAGREEN™ 3-0-0 - 1 LITER (6/CASE)   Grotek   GROTEK® INSTAGREEN™ 3-0-0 - 1 LITER (6/CASE) 
Grotek InstaGreen™ INSTAGREEN 1 LITER (6/CASE) InstaGreen™ 3-0-0 is a dark greening solution, scientifically formulated to bring plants back to a lush, dark color and vigor. InstaGreen™ will eliminate yellow leaves in seedlings and cuttings. Use InstaGreen™ when plants are stressed due to under-feeding or transplanting until vigor has returned. Best us... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 718900   $10.20 
 OilyCann, 1 qt   HydroFarm   OilyCann, 1 qt 
Hydro Organics OilyCann, 1 qt (HOJ13172)OilyCann™ "Calcium - Magnesium - Humic Acid" A natural Calcium, Magnesium & Humic Acid liquid plant supplement formulated with ZERO Nitrogen. Horticulturally engineered for indoor/outdoor plants, hydroponic and soil gardening. Manufacturer's Product Information ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOJ13172   $10.21 
 Sugar Peak 2-4-5 Flowering, 1 pt   Earth Juice   Sugar Peak 2-4-5 Flowering, 1 pt 
Hydro Organics / Earth Juice Sugar Peak 2-4-5 Flowering, 1 pt (HOH37121)Formula is designed specifically to encourage the development of flowers, fruit and vegetables. For high production plants use the Sugar Peak Vegetative formula during growth period and at bud and flower set switch to Sugar Peak Flowering.  Manufacturer's Produ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOH37121   $10.21 
 Sugar Peak 3-1-5 Vegetative, 1 pt   Earth Juice   Sugar Peak 3-1-5 Vegetative, 1 pt 
Hydro Organics / Earth Juice Sugar Peak 3-1-5 Vegetative, 1 pt (HOH37101)Sugar Peak is a one-part hydro-fusion blend, optimal for both hydroponics and soil-based growing. Sugar Peak's special feature is the built-in convenience of a single hydro-fusion formula. This one, single plant helper is deal for the hobbyist who demands premium results. Sugar Peak's vegetative plant food is ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOH37101   $10.21 
 Grow More Water Soluble (20-20-20) 5 lb (10/Cs)   GrowMore   Grow More Water Soluble (20-20-20) 5 lb (10/Cs) 
Grow More Water Soluble General Purpose 20 - 20 - 20 Grow More Fertilizers are formulated to supply sufficient amounts of extra nutrients for high yields. High solubility, purity and the special forms of nitrogen, phosphorus and potassium make Grow More Fertilizers the ideal product. Water Soluble General Purpose is an all purpose, balanced, high analysis formula for all field or ... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 721729   $10.21 
 Elements Bloom Pint 0-0-16   Earth Juice   Elements Bloom Pint 0-0-16 
Hydro Organics / Earth Juice Elements Bloom Pint 0-0-16 (HOEB35021)For use with planting mixes, native soils and as a hydroponic additive. Elements Bloom is a high Phosphorous formula developed to help promote budding, flowering and the production of essential oils and fragrances of flowers and herbs. May also be used as a Bloom Booster or as part of the Elements Total Solution. In... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOEB35021   $10.22 
 Grotek Final Flush Reg 1 Liter (6/Cs)   Grotek   Grotek Final Flush Reg 1 Liter (6/Cs) 
Final Flush - Regular 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... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 739600   $10.22 
 Native Nutrients Kelp Help! Quart (12/Cs)      Native Nutrients Kelp Help! Quart (12/Cs) 
Native Nutrients Kelp Help! Kelp Help! is a certified organic all purpose biologically active liquid plant auxiliary applied to plants, soils, and seeds. Stimulates microbial activity to improve germination, growth, yields, product quality, reproduction, flavor, color, and many other desirable attributes. Can be used as a root drench or a foliar. Completely water soluble and taken... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 723840   $10.26 
 Royal Flush 32 oz   Humboldt Nutrients   Royal Flush 32 oz 
Humboldt Nutrients Royal Flush 32 oz (HNRF405)A high quality crop needs a clean and effective flush to reach its full potential. By flushing your crops, you remove heavy elements and salts from the plant allowing for more aromatic and flavorful fruits and flowers. Humboldt Nutrients Royal Flush supercharges the flushing process by grabbing-up and binding together undesirabl... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNRF405   $10.27 
 Deep Fusion Micro Soil 32oz      Deep Fusion Micro Soil 32oz 
Deep Fusion Micro Soil 32oz Deep Fusion Micro featuring Molasses blended with standard NPK chemical fertilizers, provides growing plants with large amount of Nitrogen as well as necessary micronutrients and trace elements. Manufacturer's Product Information MSR... — Ships from DL: Livermore, California USA...more info.
 dl-ETDFMS-32oz   $10.29 
Displaying 481 to 500 (of 4217 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
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Estimate Shipping Costs by adding a product to the cart.
Shop By Price
Reviews more
Spectralux T5 54 Watt HO Lamp 4 ft Blue 6500K (25/Cs)
The weight on the item has been corrected but please do note ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


PriceGrabber User Ratings for Horticulture Source
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

VORTEX 12" MOUNTING BRACKET
VORTEX 12" MOUNTING BRACKET
$11.90
$10.80
Most Viewed in Plant Food, Nutrients, Fertilizers & Supplements - Primary & Secondary, Essential & Minor Elements, Macronutrients, Micronutrients
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
PURPLE MAXX 8 OZ
PURPLE MAXX 8 OZ
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
FOX FARM BEASTIE BLOOMZ®  1LB (0- 50- 30)
FOX FARM BEASTIE BLOOMZ® 1LB (0- 50- 30)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
Flora Bloom Quart
Flora Bloom Quart
FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
SUPERTHRIVE™ 2 OZ (24/CASE)
SUPERTHRIVE™ 2 OZ (24/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
Bestsellers
01.Primal Harvest Powder 0-12-1, 50lbs.
02.Rainbow Mix Bloom 40lb
03.Nutrient Trio-Soil Formula, 3 qts
04.Primal Harvest 2lb (16/cs)
05.Dyna-Gro Pro-TeKt 1 gal
06.Magnum, 2.5 gal
07.White Widow 1lb
08.Orca 16 Oz.
09.B'Cuzz Root, 32 oz
10.Go Box Starter Kit
11.SUPERthrive, 1 qt
12.B'Cuzz Blossom Builder Tabzz, box of 18 Tabzz
13.Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae
14.Tiger Bloom Liquid Concentrate 1 pt
15.Biomin Calcium, 1 qt
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads
Summerstone Nursery

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate PriceGrabber User Ratings for Horticulture Source ShopWiki Certified Store
Official PayPal Seal
Merchant Services
Secured by RapidSSL
Secured by RapidSSL
100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
 Proud Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2015 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order