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! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (528)
* Lighting Systems ++ (1185)
! Nutrients & Supplements (4286)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (536)
* Leaf Shines & Washes (97)
* Pest & Disease Control (588)
* Cloning & Propagation (450)
* Grow Systems ++ (722)
* Meters, Timers & Instruments ++ (662)
* Pots / Containers (1023)
* Pumps, Irrigation & Watering Supplies ++ (1709)
* Grow Media (552)
* Plant Seeds (62)
* Environmental Control ++ (2004)
* Greenhouses (73)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (966)
* Hand Tools ++ (119)
* Gardening Books & DVDs (57)
* Growing Apparel & Bags (97)
What's New? more
Bluelab pH Probe KCI Storage Solution 250ml (6/Cs)
716495
Bluelab pH Probe KCI Storage Solution 250ml (6/Cs)
$14.72
Manufacturers more
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 27 guests and 
1 logged in customer 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 421 to 440 (of 4286 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 
 Grow More Sea Grow All Purpose, 25 lb   GrowMore   Grow More Sea Grow All Purpose, 25 lb 
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 situations, container plants or fie... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-GR26099   $52.43 
 LIQUINOX START with Vitamin B-1. Quart      LIQUINOX START with Vitamin B-1. Quart 
LIQUINOX START with Vitamin B-1. Quart A transplant solution of growth-promoting substances that includes Vitamin B-1, Alpha Naphthalene Acetic Acid (hormone-like substance), Yucca Extract Base, Chelated Iron and Phosphoric Acid. START is especially formulated to help reduce transplant shock and to stimulate feeder root growth. START is an effective transplant shock and to sti... — Ships from Portland, Oregon USA....more info.
 FE220   $4.81 
 Master AB 2-Part Box Starter Kit   Humboldt Nutrients   Master AB 2-Part Box Starter Kit 
Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. This premium two-part basic starter kit provides the core nutrients in HN's Master A and B schedule along with two other important products for successful gardening: Ginormous, a bloom booster, and White Widow, a powerful mycorrhizal ino... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HNBKM200   $33.99 
 MOTHER PLANT B GALLON (4/CASE)   HydroDynamics International   MOTHER PLANT B GALLON (4/CASE) 
Mother Plant® A and B MotherPlant is a two-part nutrient formula provides balanced nutrition for stock plants, whether grown hydroponically, in soilless mixes, or soil. Exacting N-P-K ratios are calibrated to meet the nutritional requirements of the mother plant, without excess nitrates. Rich bio-organics are added to improve the uptake of nutrients and strengthen the plant's... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS). Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 732893   $33.88 
 Mykos 2.2lb Bag   Xtreme Gardening   Mykos 2.2lb Bag 
Xtreme Gardening Mykos 2.2lb Bag (RT4402)Mykos - Pure, Fresh & Alive: A beneficial organism, Mycorrhiza, plural Mycorrhizae, lives on the roots of plants and forms a symbiotic relationship. It then extends microscopic straw-like filaments called "hyphae" into the soil with which it extracts, transports, and dramatically increases a host plant's supply of nutrients and moi... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-RT4402   $19.64 
 Pure Grow 50 lb. Bag   Botanicare   Pure Grow 50 lb. Bag 
Botanicare Pure Grow 50 lb. Bag (BCOP50)Pure organic-based plant food is the base for the Organicare Plant Nutrient System. Pure contains only natural, organic ingredients. Pure's slow release, carbon based, biologically enhanced granules feed beneficial soil microorganisms which, in turn, feed your plants. The end result is Naturally Superior, rapid, and vigorous growth.Pure conta... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BCOP50   $36.27 
 RAW Cane Molasses, 8 oz   NPK Industries   RAW Cane Molasses, 8 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 HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-OG2910   $19.25 
 RAW Nitrogen, 2 lbs   NPK Industries   RAW Nitrogen, 2 lbs 
RAW Nitrogen is a soluble plant supplement that is used for horticultural purposes. RAW Nitrogen contains 20% Nitrogen. This RAW form of fully water soluble Nitrogen does not contain nitrates or urea which enables it to be applied at all stages to treat deficiencies or boost Nitrogen levels. A 2 oz package of RAW Nitrogen makes up to 200 gallons, an 8 oz package makes up to 8... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-OG3320   $43.56 
 Rock Box Starter Pack   HydroFarm   Rock Box Starter Pack 
Rock Nutrients Rock Box Starter Pack (GGRB)Simplify your nutrient regime with Rock's Five Bottle System - everything you need to get your garden from the beginning to its successful end. The Rock Box Starter Pack includes 250ml bottles each of the following:• 1 - Fusion Grow• 2 - Fusion Bloom• 1 - Supercharge Root Tonic• 1 - Resinator Heavy Yields• 1 - Abs... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-GGRB   $52.75 
 ROOTS ORGANICS EXTREME SERENE 0-2-2 - 1 GALLON SIZE   Aurora Innovations   ROOTS ORGANICS EXTREME SERENE 0-2-2 - 1 GALLON SIZE 
Roots Organics Extreme Serene ROOTS EXTREME SERENE GALLONS 4/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 SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS). Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 715090   $72.03 
 ROOTS ORGANICS TRINITY CATALYST - 5 GALLON SIZE   Aurora Innovations   ROOTS ORGANICS TRINITY CATALYST - 5 GALLON SIZE 
Roots Organics Trinity Catalyst ROOTS TRINITY CATALYST 5 GALLON This complex liquid blend of organic compounds is specifically designed for maximum effect as a plant, root, and rhizoshpere catalyst. With its proprietary recipe of distinct ingredients, our exclusive formula is a universal supplement for both growth and bloom. A unique blueprint for success, the ingredient list... — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS). Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 715020   $167.40 
 Super Micro Dry 3-10-20. 4 lb   Vita Grow   Super Micro Dry 3-10-20. 4 lb 
VITA GROW DRY MICRO 4 lb BOX NPK 3-10-20 .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.
 HY445   $24.49 
 AXIOM Harpin Protein, 2 oz      AXIOM Harpin Protein, 2 oz 
AXIOM is derived from naturally occurring harpin proteins, proven to stimulate the plant's natural growthand defense systems. Harpinαβ, the active ingredient, has been proven to increase plant yields and overall plant health. Use Axiom to boost overall plant growth, vigor and production, and to aid in the management of disease. • Increased plant yield... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-RXAX2002   $106.33 
 BioAg VAM 1 kg (4/Cs)   BioAg   BioAg VAM 1 kg (4/Cs) 
BioAg VAM VAM dramatically improves the surface area of your plant's root mass. This leads to increased nutrient and water adsorbing capabilities. VAM includes 7 specially selected species of endo mycorrhizae with a heavy dose of the very aggressive Glomus intraradices. Includes a myriad of ingredients to guarantee the vigor and proliferation of the fungi. Reduce transplant stress... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS). Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 719734   $33.48 
 Botanicare Silica Blast 5 Gal   Botanicare   Botanicare Silica Blast 5 Gal 
Silica BlastBotanicare Silica Blast 5 Gal (732492)Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate helps strengthen plant tissue helping plants flourish in adverse environmental conditions such as heat, drought, and frost. For use in container gardens or soilless hydrogardening applications. ... — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS). Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 732492   $99.27 
 BOTANICARE® TRIFLEX BLOOM QUART (12/CASE)   Botanicare   BOTANICARE® TRIFLEX BLOOM QUART (12/CASE) 
Botanicare Triflex TRIFLEX BLOOM QUART (12/CASE) TRIFLEX, a scientifically formulated three-part bio-organic nutrient system for plants, is based on the time-tested formulas developed for plant tissue culture and hydroponic. Triflex is unique because it incorporates the best features of the above formulas to yield a three-part nutrient of inorganic salts and enhanced with org... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS). Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 718410   $5.52 
 BushDoctor Kelp Me Kelp You, 1 qt   FoxFarm   BushDoctor Kelp Me Kelp You, 1 qt 
Kelp Me Kelp You is a natural, organic seaweed extract derived from Norwegian kelp, Ascophyllum nodosum. FoxFarm's product is a liquid concentrate suitable for fruits, vegetables, lawns, gardens, flowers, and hydroponic applications. Seaweed extract is a plant biostimulant that can be sprayed on the foliage, applied to the soil, or added to the hydroponic recirculating nutrien... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-FX14111   $13.36 
 Bushdoctor Sledgehammer, 1 qt   FoxFarm   Bushdoctor Sledgehammer, 1 qt 
FoxFarm Bushdoctor Sledgehammer, 1 qt (FX14066)Bush Doctor SledgeHammer® is a unique rinse formula designed to remove fertilizer buildup and encourage water movement through soil and soilless mediums. Sledgehammer® helps release surface tension in the soil which will allow for optimum absorption of moisture and nutrition throughout the plant's root system. Derived from an ... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-FX14066   $14.03 
 Earth Juice Microblast, 1 qt   Earth Juice   Earth Juice Microblast, 1 qt 
Hydro Organics / Earth Juice Earth Juice Microblast, 1 qt (HOJ07601)A proprietary liquid micronutrient formula designed to be used to prevent and/or correct micronutrient deficiencies. For use with Earth Juice Grow and Bloom "Original Formulas" as well as a variety of other liquid and dry soil and Hydroponic fertilizers. May be added to nutrient solution reservoirs, watered in or u... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HOJ07601   $12.60 
 Floralicious Plus 1 gal   General Hydroponics   Floralicious Plus 1 gal 
General Hydroponics Floralicious Plus 1 gal (GH1391)Floralicious Plus is a super concentrated blend of bioactive plant, marine, microbial, and mineral extracts. It is a one part organic nutrient additive to be used throughout the plants growing cycle, containing the organic building blocks of life and is used in addition to your regular fertilizer program. With high concentrations ... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-GH1391   $124.66 
Displaying 421 to 440 (of 4286 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!
 Get Quote by adding products to the cart!
Shop By Price
Specials more
Shear Perfection Straight Trimming Shear 3in (12/Cs)
Shear Perfection Straight Trimming Shear 3in (12/Cs)
$4.46
$4.16
Reviews more
6 Outlet Air Manifold
goodgoodgoodgoo-
dgoodgoodgoodgo-
odgoodgoodgoodg-
oodgoodgoodgood ..

5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate

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)
GH Flora Series Performance Pack
GH Flora Series Performance Pack
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)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
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.SUPERTHRIVE™ 2 OZ (24/CASE)
03.SUPERTHRIVE™ PINT (12/CASE)
04.FLORA BLOOM GALLON
05.GHBB® FLORA MICRO™ GALLON (4/CASE)
06.Botanicare Cal-Mag Plus Quart (12/Cs)
07.GHBB® FLORA GRO™ GALLON (4/CASE)
08.FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
09.BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
10.Flora Bloom Quart
11.SUPERTHRIVE™ GALLON (4/CASE)
12.GHBB® LIQUID KOOLBLOOM™ QT 12/CASE
13.GHBB® FLORA GRO™ QUART
14.BOTANICARE® LIQUID KARMA™ GALLON (4/CASE)
15.FOX FARM TIGER BLOOM® QUART (12/CASE)
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
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order