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.
Happy Cinco De Mayo!
Happy National Small Business Week! This week celebrates small businesses like ours and the support surrounding them.
Categories
* Lamps / Tubes / Bulbs ++ (507)
* Lighting Systems ++ (1085)
! Nutrients & Supplements (4316)
* Composters & Compost Tea Brewing (45)
* Organic Gardening (540)
* Leaf Shines & Washes (125)
* Pest & Disease Control (538)
* Cloning & Propagation (424)
* Grow Systems ++ (598)
* Meters, Timers & Instruments ++ (702)
* Pots / Containers (998)
* Pumps, Irrigation & Watering Supplies ++ (1541)
* Grow Media (560)
* Plant Seeds (18)
* Environmental Control ++ (1928)
* Greenhouses (90)
* Grow Rooms / Tents (165)
* Reflective / B&W Films (130)
* Garden Accessories ++ (875)
* Hand Tools ++ (522)
* Gardening Books & DVDs (59)
* Growing Apparel (11)
Manufacturers more
What's New? more
Roots Organics Super Phos Bat Guano 40 lb (1/Cs)
715108
Roots Organics Super Phos Bat Guano 40 lb (1/Cs)
$69.00
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 28 guests and 
2 logged in customers 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 141 to 160 (of 4316 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 
 SEAGROW 1.5LB 4-26-26      SEAGROW 1.5LB 4-26-26 
Grow More Seagrow Flower & Bloom A hybrid blend of botanical seaweed extract, blood meal, organic carbon, amino acids, carbohydrates, primary N-P-K plant foods, yucca extract and micronutrients. Bio-stimulant effect from seaweed promotes vigorous growth, better quality fruits and abundant blooms with better keeping and storage qualities. Recommended for indoor or outdoor growing... — 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.
 721665   $6.77 
 Seaplex 8 oz.   Botanicare   Seaplex 8 oz. 
Botanicare Seaplex 8 oz. (BCOSX8) Seaplex is a cold processed seaweed for foliar feeding, soil and soilless container gardens and hydroponic systems. Seaplex can be used for certified organic crop production. Seaplex contains only the most effective ascophyllum nodosom, a brown kelp that is harvested from the cold, clean waters of the north Atlantic. Brown Kelp's slow growth cycle ... — 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-BCOSX8   $6.78 
 Down To Earth Fish Bone Meal 3-16-0 - 6 lb   Down to Earth   Down To Earth Fish Bone Meal 3-16-0 - 6 lb 
Fish Bone Meal is a marine based alternative to traditional steamed Bone Meal and is wonderful for all flowering plants, trees and shrubs. A great source of Phosphorus and Calcium, Fish Bone Meal also contains a small amount of Nitrogen and is an ideal fertilizer for new garden beds, perennials and bulbs.... — 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.
 723694   $6.82 
 ROCKWOOL FORMULA ONE 'A' 5-0-4 - QUART (12/CASE)   Sunleaves   ROCKWOOL FORMULA ONE 'A' 5-0-4 - QUART (12/CASE) 
ROCKWOOL FORMULA ONE 'A' 5-0-4 - QUART (12/CASE) (719600) Rockwool Formula One A 5-0-4 Sunleaves Rockwool Formula One is specially formulated to counteract the alkaline nature of rockwool. Nutrient is naturally pH buffered and more stable for the entire life of the nutrient solution. Rockwool Formula One is well-suited to both vegetative and flowering stages. Easy-to-understand ... 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.
 719600   $6.84 
 Microbe Life Dechlorinator + Pint (12/Cs)   MICROBE Life Hydroponics   Microbe Life Dechlorinator + Pint (12/Cs) 
Microbe Life Dechlorinator+ A full function water conditioner that will neutralize chlorine and destroy chloramines while adding essential electrolytes and alkalinity boosters (acid neutralizing). Formulated with R/O and UV sterilized water.... 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.
 717673   $6.86 
 Gold Label Nutrient Soil A, 250 ml   Vermicorp Organics   Gold Label Nutrient Soil A, 250 ml 
Gold Label Soil A&B is a professional grade two part nutrient for the vegetative and flowering phase in peat, soil and soil-less mediums. Premium inputs results in premium quality cut flowers and produce. Using Soil A&B together is sure to make you see bountiful success! Use in combination with Gold Label Roots, Ultra Mg, and Ultra PK for optimum results.... — 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-VC995520   $6.89 
 DYNA-GRO™ K-L-N CONCENTRATE - 8OZ (12/CASE)   Dyna-Gro   DYNA-GRO™ K-L-N CONCENTRATE - 8OZ (12/CASE) 
Dyna-Gro K-L-N Concentrate Rooting Solution K-L-N CONCENTRATE 8 OZ (12/CASE) K-L-N Concentrate is a rooting solution containing both IBA and NAA hormones to promote vigorous root growth in trees, foliage and flowering plants. Use it for propagating cuttings, air layering and as a transplanting drench for newly potted plants. Drench, dip or mist your plants to simulate new ro... 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.
 726530   $6.90 
 CNS17 RIPE QUART 12/CS   Botanicare   CNS17 RIPE QUART 12/CS 
Botanicare® CNS17 Ripe 1-5-4 The newest addition to the CNS17 line is coming to retail stores on February 1st. CNS17 Ripe 1-5-4 is a specially designed formula requested by industry professionals to be used in the final 3-4 weeks of the bloom cycle. Ripe has an adjusted NPK of 1-5-4 intended to help promote ripening in fruiting and flowering plants. By reducing nitrogen amounts ... 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.
 733020   $6.90 
 CYTOPLUS 100 GRAMS 24/CS   BioAg   CYTOPLUS 100 GRAMS 24/CS 
BioAg Cytoplus A combination of soluble seaweed extract, HumiSolve and seven micronutrients required for plant growth. Applied as a foliar spray on fruit, flowers and vegetables just prior to bloom or bud stage, it will enhance flowering and fruit set quality, quantity and retention. It will also provide greater nitrogen uptake resulting in a lush, dark green color and a healthi... 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.
 719760   $6.90 
 ROOTS ORGANICS PHOS SEA BIRD GUANO POWDER 3LB 0-12-0   Aurora Innovations   ROOTS ORGANICS PHOS SEA BIRD GUANO POWDER 3LB 0-12-0 
Roots Organics Sea Bird Guano 0 - 12 - 0 Roots Organics Seabird Guano is an excellent source of phosphate and calcium. Carefully sifted and processed to make it easy to work with, Roots Organics Seabird Guano encourages vigorous growth and is fast acting for quick results. All of the Roots Organics guanos have been carefully sourced for quality and harvested with habitat friendly ... — 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.
 720990   $6.90 
 RAW Cane Molasses, 2 oz   NPK Industries   RAW Cane Molasses, 2 oz 
RAW Cane Molasses is a soluble plant supplement that is used for horticultural purposes. RAW Cane Molasses is a fully water Soluble powder which is highly concentrated. RAW Cane Molasses gives you all the benefits of liquid molasses without all the mess. A 2 oz package of RAW Cane Molasses makes up to 200 gallons, an 8 oz package makes up to 800 gallons and a 2 lb package make... — 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-OG2900   $6.97 
 RAW Calcium/Mag, 2 oz   NPK Industries   RAW Calcium/Mag, 2 oz 
RAW Calcium/Mag is a soluble plant supplement that is used for horticultural purposes. RAW Calcium/Mag contains 15% calcium and 3% magnesium. RAW Calcium/Mag is an optimum ratio of fully water soluble calcium and magnesium. A 2 oz package of RAW Calcium/Mag makes up to 200 gallons, an 8 oz package makes up to 800 gallons and a 2 lb package makes up to 3200 gallons. RAW = sol... — 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-OG2800   $6.97 
 Humboldt Sticky - 8 oz. - Humboldt Nutrients      Humboldt Sticky - 8 oz. - Humboldt Nutrients 
Humboldt Sticky - 8 oz. - Humboldt Nutrients (HSK000)Foliar sprays are an easy way to ensure the quality of your fruits and flowers in all your favorite plants. A proper foliar spray should include a wetting and binding agent to equally distribute and adhere the spray onto the plant s leaves. Humboldt Sticky is a premium sticking and wetting agent that has been extensively tested ... — Ships from DL: Livermore, California USA...more info.
 dl-HSK000   $6.98 
 Nutrilife Pro-Guard 1 Liter (12/Cs)   Nutrilife   Nutrilife Pro-Guard 1 Liter (12/Cs) 
Pro-Guard is created to improve a plants ability to tolerate heat and drought and to provide additional potassium and a high level of silica. Potassium also helps the plant withstand drought by regulating the opening and closing of stomata's and accelerates nutrient absorption into plant roots and prevents oxygen deficiency. Pro-Guard is easily the most economical to use when compa... 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.
 717208   $7.02 
 Rich Humic Pint   Earth Juice   Rich Humic Pint 
Hydro Organics / Earth Juice Rich Humic Pint (HOF08200)Rich Humic is a concentrated liquid humic acid formulation. Lab results show 22% humic acid through the alkaline extraction method and 3% humic acid through the acid insoluble method. Acid insoluble method is used by the CDFA. For indoor/outdoor plants, soil and hydroponics. Manufac... — 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-HOF08200   $7.04 
 Sea Cal - 8 oz. - Humboldt Nutrients      Sea Cal - 8 oz. - Humboldt Nutrients 
Sea Cal - 8 oz. - Humboldt Nutrients (HNK400)Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the ratios which are beneficial during ... — Ships from DL: Livermore, California USA...more info.
 dl-HNK400   $7.04 
 Heavy Duty Nova Mixer   General Hydroponics   Heavy Duty Nova Mixer 
General Hydroponics Heavy Duty Nova Mixer (GH4200)Replacement mixer used to mix FloraNova containers.   Manufacturer's Product Information MSRP each $12.5 UPC9782845940819 Dimensions9.5 x 1 x 6.75 Case Quantity1 ... — 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-GH4200   $7.06 
 Blossom Blaster, 20g   Grotek   Blossom Blaster, 20g 
Grotek Blossom Blaster, 20g (GTBB20)Blossom Blaster™ is effective in all growing media and is compatible with all base nutrients. It provides available phosphorous to improve root development as well as aid in blooming and fruiting. Potassium is instrumental in moving sugars produced by photosynthesis. Do not use as a foliar spray. Always use fresh product. Do not add to exis... — 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-GTBB20   $7.10 
 FlavorFul 16 oz.   Humboldt Nutrients   FlavorFul 16 oz. 
Humboldt Nutrients FlavorFul 16 oz. (HNF404)8% Refined Humic Acid Concentrate FlavorFul FlavorFul is a strong solution of 8% refined Humic acid concentrate, a little known and highly useful additive. The majority of refined Humic acid formulas on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. Flav... — 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-HNF404   $7.11 
 Hum-bolt humic 16 oz.   Humboldt Nutrients   Hum-bolt humic 16 oz. 
Humboldt Nutrients Hum-bolt humic 16 oz. (HNH404)Liquid Humic Concentrate HUM-BOLT HUM-BOLT is a 8% Humic Acid derived from premium Leonardite, extracted from a mine known to produce the highest quality shale. Humic acid promotes high ion exchange capabilities, stimulates plant enzymes, increases bene... — 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-HNH404   $7.11 
Displaying 141 to 160 (of 4316 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
GROWLAB 145 GL145 4'9" x 4'9" x 6'7"
forgot to mention: Horticulture Source matched a competitor' ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
Uprising Foundation 3lb
Uprising Foundation 3lb
$12.20
$11.23
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)
Nutrient Trio-Soil Formula, 3 qts
Nutrient Trio-Soil Formula, 3 qts
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/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)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/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)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
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)
Flora Bloom Quart
Flora Bloom Quart
Bestsellers
01.Nutrient Trio-Soil Formula, 3 qts
02.Primal Harvest Powder 0-12-1, 50lbs.
03.Primal Harvest 2lb (16/cs)
04.Rainbow Mix Bloom 40lb
05.White Widow 1lb
06.Go Box Starter Kit
07.Dyna-Gro Pro-TeKt 1 gal
08.Grow More Water Soluble 0-50-30 25lb
09.Magnum, 2.5 gal
10.RAW BLOOM, 10 lbs
11.RAW MICROBES Grow Stage, 8 oz
12.Earth Juice Godsilica, 1 qt
13.Happy Frog Japanese Maple, 4 lbs.
14.SUPERthrive, 1 qt
15.Dirty Dozen Starter Kit
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Ads
Frame It All - Simple Modular Gardens

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
Matched Content
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2016 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order