Horticulture Source » Gardening & Hydroponics Store » Nutrients & Supplements   Mobile   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 in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (535)
* Lighting Systems ++ (1141)
! Nutrients & Supplements (4330)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (542)
* Leaf Shines & Washes (98)
* Pest & Disease Control (569)
* Cloning & Propagation (446)
* Grow Systems ++ (583)
* Meters, Timers & Instruments ++ (671)
* Pots / Containers (1013)
* Pumps, Irrigation & Watering Supplies ++ (1636)
* Grow Media (541)
* Plant Seeds (60)
* Environmental Control ++ (1941)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (965)
* Hand Tools ++ (534)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (53)
Manufacturers more
What's New? more
Fiskars Pruning Spring
hf-FC9921S
Fiskars Pruning Spring
$1.35
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 56 guests online.
Frequent searches
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 181 to 200 (of 4330 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 
 ROOTS ORGANICS ANCIENT AMBER - 1 GALLON SIZE   Aurora Innovations   ROOTS ORGANICS ANCIENT AMBER - 1 GALLON SIZE 
Roots Organics Ancient Amber ROOTS ANCIENT AMBER GALLONS 4/CS Using a unique organic extraction method, our product has been targeted for low molecular weight which increases bio-availability and effectiveness to unparalleled levels. Fulvic acids are extremely effective chelating agents, facilitating the uptake of micro and macro nutrients, increasing resistance to stress, an... — 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.
 715070   $31.57 
 SNOW STORM ULTRA 8 OZ 12/CS      SNOW STORM ULTRA 8 OZ 12/CS 
Snow Storm Ultra From Emerald Triangle If you like Purple Maxx/Snow Storm, but color is not your primary goal, then Snow Storm Ultra is for you. We isolated the “snow storm” effect and optimized it for maximum results. Absolutely nothing else like it on the market. Does not contain carbohydrates or molasses. Three years of development went into this Humboldt County o... 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.
 719942   $11.45 
 Super Micro Dry 4-14-24. 10 lb   Vita Grow   Super Micro Dry 4-14-24. 10 lb 
VITA GROW DRY MICRO 10 lb BOX NPK 4-14-24.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 three-part fo... — Ships from Portland, Oregon USA....more info.
 HY450   $51.34 
 TECHNAFLORA® B.C. BOOST™ 3-0-2 - 1 LTR. (12/CASE)   Technaflora   TECHNAFLORA® B.C. BOOST™ 3-0-2 - 1 LTR. (12/CASE) 
Technaflora B.C. Nutrients B.C. BOOST 1 LTR. (12/CASE) The B.C. Hydroponic Nutrients are a powerpacked trio for nurturing generous vegetative crops and extraordinary floral growth. B.C. Boost, B.C. Bloom and B.C. Grow are complete, professionally formulated, highly concentrated fertilizing agents. Unlike other brands, which include micronutrients in only one part of the formu... 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.
 720540   $17.79 
 AXIOM Harpin Proteins Growth Stimulator 3pc - 2g packets      AXIOM Harpin Proteins Growth Stimulator 3pc - 2g packets 
AXIOM Harpin Proteins are a Plant Health Promoter and Plant Growth Stimulator that activates a plant’s growth and defense genes resulting in improved plant growth, increased yield and quality, and greater shelf-life. Harpin Proteins are produced in nature by certain bacterial plant pathogens and plants develop receptors on their seeds, roots, and foliage to detect the presence of H... — Ships from DL: Livermore, California USA....more info.
 dl-RXAXM3X2G   $19.21 
 Dyna Gro Pro-Tekt 0-0-3 1 quart   Dyna-Gro   Dyna Gro Pro-Tekt 0-0-3 1 quart 
Dyna Gro Pro-Tekt0-0-31 quartSilicon-rich soil is essential for optimal plant health. Use this Potassium silicon supplement to improve heat and drought tolerance, increase resistance to pests and disease, and to improve overall vigor. Great for hydroponics and soil.... — Ships from Portland, Oregon USA....more info.
 HY199   $15.73 
 FloraBlend - Gallon (4/cs)   General Hydroponics   FloraBlend - Gallon (4/cs) 
FloraBlend - Gallon (4/cs) (eco-2833)Flora Blend-Vegan Compost Tea 0.5-1-1. 1 gallon These highly soluble organic compounds increase and promote healthy root structures, build the plants immune system and provide carbon building blocks for plant processes responsible for color and flavor of fruits and vegetables. FloraBlend is a vegan product and contains no animal derived ... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2833   $16.31 
 FoxFarm Bushdoctor Boomerang Gallon (4/Cs)   FoxFarm   FoxFarm Bushdoctor Boomerang Gallon (4/Cs) 
Bush Doctor Boomerang Boomerang's microbial-based formula helps heal damaged root tissue while encouraging new root growth and internodal vegetative growth. It contains solubilized organic nutrition that is immediately available for amazingly fast recovery of stressed plants. Boomerang can also be used as a vegetative supplement. Bush Doctor Boomerang is the "Comeback Formula" tha... 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.
 732867   $56.89 
 GHBB® FLORA GRO™ 6 GALLON   General Hydroponics   GHBB® FLORA GRO™ 6 GALLON 
General Hydroponics Floragro FLORA GRO 6 GALLON Floragro (2 - 1 - 6)Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.FLORA SERIES - This three part series continues to be a big seller in the hydroponic industry. The flexibility to custom blend the formulas is an attractive benefit to beginners a... — LTL Shipping Required. — Ships separately 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.
 718055   $80.36 
 GHBB® FLORABLEND™  GALLON   General Hydroponics   GHBB® FLORABLEND™ GALLON 
Florablend 0.5-1-1 FloraBlend™ is a vegan plant booster that is made from a proprietary blend of plant materials, plus seaweed, rock powders and micronized leonardite. It is produced with a diverse mixture of highly bioactive microorganisms that are fed a feast of select food sources in a hyper oxygenated environment. These beneficial microorganisms multiply rapidly consuming thes... — 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.
 732212   $17.68 
 GROTEK® MONSTER BLOOM™ 0-50-30 - 130G (12/CASE)   Grotek   GROTEK® MONSTER BLOOM™ 0-50-30 - 130G (12/CASE) 
Grotek Monster Bloom™ MONSTER BLOOM 130G (12/CASE) 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 ... 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.
 718820   $9.23 
 HD NITROZIME™ 0-4-4 - QUART (12/CASE)   HydroDynamics International   HD NITROZIME™ 0-4-4 - QUART (12/CASE) 
Nitrozime™ NITROZIME QUART (12/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 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.
 732305   $41.04 
 HUMBOLDT NATURAL BLOOM 32OZ 12/CS   Humboldt Nutrients   HUMBOLDT NATURAL BLOOM 32OZ 12/CS 
Humboldt Nutrients Natural Bloom Humboldt Nutrients Natural Bloom is an ultra-concentrated organic bloom formula designed to give your plants the large phosphorus and calcium boost needed during the flowering period. Natural Bloom induces an immediate flowering response in flowering plants, encouraging multiple flowering sites. The use of Natural Bloom promotes full flavors, ... 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.
 723052   $17.46 
 HUMBOLDT PROZYME 32OZ 12/CS   Humboldt Nutrients   HUMBOLDT PROZYME 32OZ 12/CS 
Humboldt Nutrients ProZyme ProZyme is made up of over 80 different enzymes in a concentrated form. The enzymes present in ProZyme will break down dead root mass, starches, carbohydrates and nutrients to make them readily avialable to the plant. ProZyme will encourage the development of beneficial bacteria and catalyze water and elements.... 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.
 723096   $26.53 
 HYGROCORP® PURE FLOWER 0-30-20 - GALLON  (4/CASE)   Organa   HYGROCORP® PURE FLOWER 0-30-20 - GALLON (4/CASE) 
Pure Flowers PURE FLOWER GALLON (4/CASE) Pure Flowers 0-30-20 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 potass... 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.
 719705   $60.61 
 MAXICROP LIQUID SEAWEED QUART   maxicrop   MAXICROP LIQUID SEAWEED QUART 
MAXICROP LIQUID SEAWEED QUARTFor trees, flowers, lawns, fruits & vegetables. Can be used for soaking seeds & bulbs before planting, ideal for houseplants, ideal for seedlings & cuttings.Derived from seaweed For trees, flowers, lawns, fruits & vegetables Can be used for soaking seeds & bulbs before planting, ideal for houseplants, ideal for seedlings & cuttings Deriv... — 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.
 718600   $9.05 
 NPK RAW Cane Molasses 2 lb Dry (3/Cs)   NPK Industries   NPK RAW Cane Molasses 2 lb Dry (3/Cs) 
NPK RAW Cane Molasses 0-0-1 RAW Cane Molasses is a fully soluble plant supplement which contains 100% powdered cane molasses. RAW Cane Molasses is a great way to supplement any feeding program.... 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.
 717871   $50.49 
 Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae   Aurora Innovations   Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae 
Roots Organics Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae (ROIX6)Roots Organics Oregonism XL is a distinctive super-soluble formulation of endo/ecto-mycorrhizae, beneficial bacteria, and Trichoderma. The species of microorganisms in this product are specifically selected for fruiting and flowering plants with a tolerance to heavy fertilizing. Mycorrhizae colonize the root zone, f... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-ROIX6   $158.07 
 ROOTS ORGANICS EXTREME SERENE 0-2-2 - QUART SIZE   Aurora Innovations   ROOTS ORGANICS EXTREME SERENE 0-2-2 - QUART SIZE 
Roots Organics Extreme Serene ROOTS EXTREME SERENE QUARTS 12/CS An organic liquid kelp extract which provides a natural source of growth promoting compounds and micronutrients. Specifically designed to encourage vigorous growth, increase flower sites and increase yields, this distinctive blend of amazing plant extracts also includes a built in organic wetting agent. Extreme S... — 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.
 715085   $22.73 
 Super Bloom Dry 0-49-29. 4 lb   Vita Grow   Super Bloom Dry 0-49-29. 4 lb 
VITA GROW DRY BLOOM 4 lb BOX NPK 0-49-29.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 three-part fo... — Ships from Portland, Oregon USA....more info.
 HY447   $24.43 
Displaying 181 to 200 (of 4330 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
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Get Quote by adding products to the cart!
Shop By Price
Reviews more
HM Digital Waterproof pH Meter Model PH-200
Its a great meter Ive had mine for about 3 years and the onl ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
RootTrapper II, 3 Gal
RootTrapper II, 3 Gal
$6.04
$5.43
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)
Nutrient Trio-Soil Formula, 3 qts
Nutrient Trio-Soil Formula, 3 qts
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)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
Botanicare Cal-Mag Plus Quart (12/Cs)
Botanicare Cal-Mag Plus Quart (12/Cs)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM BEASTIE BLOOMZ®  1LB (0- 50- 30)
FOX FARM BEASTIE BLOOMZ® 1LB (0- 50- 30)
GHBB® FLORA GRO™ GALLON (4/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
GH Flora Series Performance Pack
GH Flora Series Performance Pack
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/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.SUPERTHRIVE™ 4 OZ (12/CASE)
02.FLORA BLOOM GALLON
03.SUPERTHRIVE™ 2 OZ (24/CASE)
04.GHBB® FLORA MICRO™ GALLON (4/CASE)
05.GHBB® FLORA GRO™ GALLON (4/CASE)
06.Botanicare Cal-Mag Plus Quart (12/Cs)
07.FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
08.BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
09.SUPERTHRIVE™ GALLON (4/CASE)
10.Flora Bloom Quart
11.GHBB® LIQUID KOOLBLOOM™ QT 12/CASE
12.FOX FARM TIGER BLOOM® QUART (12/CASE)
13.BOTANICARE® LIQUID KARMA™ GALLON (4/CASE)
14.FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
15.GHBB® FLORA GRO™ QUART
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Matched Content
Ads

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
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order