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  
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 President's Day! We are taking orders but please note some shippers & warehouses are closed in observance of President's Day.
Celebrating our 12th Year of Service to Gardeners! Thank you for your business!
Specials more
Mag Pro Qt
Mag Pro Qt
$12.83
$12.58
What's New? more
Replacement Screen for item 191500 - 185 micron
dl-191185
Replacement Screen for item 191500 - 185 micron
$11.00
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (522)
* Lighting Systems ++ (1192)
! Nutrients & Supplements (4247)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (523)
* Leaf Shines & Washes (93)
* Pest & Disease Control (594)
* Cloning & Propagation (439)
* Grow Systems ++ (712)
* Meters, Timers & Instruments ++ (631)
* Pots / Containers (1023)
* Pumps, Irrigation & Watering Supplies ++ (1724)
* Grow Media (533)
* Plant Seeds (62)
* Environmental Control ++ (2028)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1094)
* Hand Tools ++ (450)
* Gardening Books & DVDs (56)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Ads
Languages
English Deutsch Español

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 401 to 420 (of 4247 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 
 Master-B 16 oz.   Humboldt Nutrients   Master-B 16 oz. 
Humboldt Nutrients Master-B 16 oz. (HNMB404)NPK 1-5-6 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant, in any growing medium and contains no EDTA's. The Humboldt Nutrients team of chemists and agr... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNMB404   $8.86 
 Grow More Bio Cozyme Bio Stimulant, 1qt   GrowMore   Grow More Bio Cozyme Bio Stimulant, 1qt 
A 100% organic biostimulant that enhances a plants ability to absorb and utilize nutrients. Derived from natural occurring cytokinins, hormones, enzymes, vitamins, amino acids and micronutrients. Works by enhancing the plants ability to control the movement of nutrients through the stem and leaves and augments the existing enzyme functions in the plant. Increases the synthesis of c... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GR16044   $8.88 
 Grow More Mendocino Honey, 1 qt   GrowMore   Grow More Mendocino Honey, 1 qt 
Natural organic honey plus Montmorillinite, a source of over 70 trace elements. A naturally sweet carbohydrate plus organic carbon to stimulate growth. When used in a hydroponic system, it supplies a valuable source of organic carbon & carbohydrates. Increases brix levels resulting in a sweeter taste and aroma. Recommended for plants grown in soil, soilless mixes or hydroponic syst... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GR17538   $8.88 
 Grow More Mendocino N-Cal Mag, 1qt   GrowMore   Grow More Mendocino N-Cal Mag, 1qt 
Specially designed to correct physiological nutrient disorders caused by Calcium and Magnesium deficiencies. Improves the mass flow of nutrients within the phloem and improves the translocation of carbohydrates. Calcium deficiency retards growth of stems, leaves, roots and causes blossom end drop and die back. A calcium deficiency also reduces thickness of leaves and interferes wit... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GR25170   $8.88 
 T-Rex 2 oz   Cutting Edge Solutions   T-Rex 2 oz 
Cutting Edge Solutions T-Rex 2 oz (CES3311)T-Rex - custom blended in Northern California, never dried or dehydrated! T-Rex is to be used in the first 1-3 weeks of the vegetative cycle. It is recommended to foliar spray once during the last week of vegetation cycle or during the first week of the flowering cycle in order to remain on the flowering sites through maturity. For slower ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-CES3311   $8.90 
 Pure Blend Tea 1 qt   Botanicare   Pure Blend Tea 1 qt 
Botanicare Pure Blend Tea 1 qt (BCNSPBTQT)Pure Blend Tea™ combines the key elements of both Pure Blend Original Grow and Bloom, into one highly effective formula. Pure Blend Tea is enhanced and fortified with a premium blend of ultra-soluble humates, organic plant acids, trace minerals, vitamins, and select amino acids. Pure Blend Tea redefines what a complete organic plant b... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNSPBTQT   $8.90 
 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   $8.91 
 MaxiBloom 2.2 lb. (12/cs)   General Hydroponics   MaxiBloom 2.2 lb. (12/cs) 
MaxiBloom 2.2 lb. (12/cs) (eco-2782)MaxiBloom MAXIBLOOM: Use for the reproductive stage in fast growing annuals. MaxiBloom encourages prolific flowering and fruiting, and increases yields and crop quality. MaxiGro and MaxiBloom are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in Primary, Secondary, and Micro Nutrients, pH buffered MaxiGro ... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2782   $8.93 
 BOTANICARE® TRIFLEX GROW QUART (12/CASE)   Botanicare   BOTANICARE® TRIFLEX GROW QUART (12/CASE) 
Botanicare Triflex TRIFLEX GROW 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 orga... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718425   $8.99 
 Nectar for the Gods Medusa's Magic Quart (12/Cs)   Oregon's Only Organics   Nectar for the Gods Medusa's Magic Quart (12/Cs) 
Nectar for the Gods - Medusa's Magic Just like her hair, this product is crazy. Originally Oregon’s Only’s grow formula, Medusa’s packs a punch. This product goes through an enzyme digest which strips proteins from organic meals and makes them totally available to plants. But worry not, whatever is not absorbed by the plant’s roots will become a microbial feast for the soil’s biot... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 746256   $8.99 
 FloraDuo™ A Quart   General Hydroponics   FloraDuo™ A Quart 
FloraDuo™ A Quart (726870)General Hydroponics FloraDuo™ A FloraDuo™ is a revolutionary new fertilizer product. Using only two components growers can mix a large range of di erent nutrient blends for di erent kinds of plants and for phases of growth from seedling through harvest. The ratios of key ingredients including Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Sulfate ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 726870   $8.99 
 FloraDuo™ B Quart   General Hydroponics   FloraDuo™ B Quart 
FloraDuo™ B Quart (726885)General Hydroponics FloraDuo™ B FloraDuo™ is a revolutionary new fertilizer product. Using only two components growers can mix a large range of di erent nutrient blends for di erent kinds of plants and for phases of growth from seedling through harvest. The ratios of key ingredients including Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Sulfate ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 726885   $8.99 
 Nectar for the Gods Pegasus Potion Quart (12/Cs)   Oregon's Only Organics   Nectar for the Gods Pegasus Potion Quart (12/Cs) 
Nectar for the Gods - Pegasus Potion WOW! this stinks. But for good reason. Pegasus Potion is a nitrate free, totally available protein source of nitrogen. Nitrogen proteins are extracted from feathers and digested into their simplest, most available forms. Pegasus works great as a foliar treatment with fast results and can be used as an additive to the rest of the line. If you fe... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 746280   $8.99 
 Nectar for the Gods Athena's Aminas Quart (12/Cs)   Oregon's Only Organics   Nectar for the Gods Athena's Aminas Quart (12/Cs) 
Nectar for the Gods - Athena’s Aminas All plants need certain components for growth over and above soil, sun, rain and air. The basic components of living cells are Proteins, which are made up of Amino Acids. Derived from animal byproducts, Athena’s is a digested hydrolysate that will benefit every stage of your plants’ life from vegetative to bloom. Whether they are in soil or hy... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 746200   $8.99 
 Nectar for the Gods Hygeia Hydration Quart (12/Cs)   Oregon's Only Organics   Nectar for the Gods Hygeia Hydration Quart (12/Cs) 
Nectar for the Gods - Hygeia Hydration This multipurpose supplement has many jobs in the garden. Yucca shidigera is rich in saponins which aid in the absorption of nutrients in the soil. Saponins prevent the run off of nutrients from the medium allowing more nutrition to be consumed by microbes and plants alike. Hygeia also works well as a natural wetting agent for foliar sprays a... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 746248   $8.99 
 Xtreme Gardening Mykos-Drops 10gm Paks 20 ct   Xtreme Gardening   Xtreme Gardening Mykos-Drops 10gm Paks 20 ct 
Xtreme Gardening Mykos-Drops 10gm Paks 20 ct (721235)Xtreme Gardening Mykos-Drops 10gm Paks Mykos Drops 10gm Paks Mycorrhizal Inoculant - Pure, Fresh, Alive: Mykos 10gm paks designed for easy application. Apply 1 to 2 M-Drop paks into each planting hole for e ective mycorrhizal inoculation. Manufacturer's Product Information ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 721235   $8.99 
 Nectar for the Gods Mega Morpheus Quart (12/Cs)   Oregon's Only Organics   Nectar for the Gods Mega Morpheus Quart (12/Cs) 
Nectar for the Gods - Mega Morpheus Oregon’s Only’s answer to phosphate rich guano tea. Derived from seabird guano, digested worm humus and mineral rich Atlantic kelp, you can’t go wrong with this triple filtered, salt and grit free bloom enhancer. Like no other liquid guano, you will find the availability second to none. If it’s more phosphorous you want, then make the right deci... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 746264   $8.99 
 Vermicrop VermiBat Bat Guano Fertilizer 1.5 lb (4/Cs) (Special Order)   Vermicorp Organics   Vermicrop VermiBat Bat Guano Fertilizer 1.5 lb (4/Cs) (Special Order) 
Vermicrop Organics™ VermiBat™ is an organic fertilizer for fast growing plants of all types. The high nitrogen content is ideal for feeding oversized, hungry plants. VermiBat™ is great for long term feeding due to the slow release of usable food. Top dress bi-weekly for heavy feeders, or monthly for standard houseplants. The respected properties of bat guano have been used by the p... This item is sold individually. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 720900   $8.99 
 Humboldt White Widow 1oz (12/Cs)   Humboldt Nutrients   Humboldt White Widow 1oz (12/Cs) 
Humboldt Nutrients White Widow Humboldt Nutrients is proud to launch our newest and most powerful soluble Mycorrhizal, White Widow. White Widow is a Mycorrhizal powder containing an extremely high and diverse amount of mycological spores. With White Widow the speed and aggressiveness of your plant’s root development is unprecedented. White Widow is bacteria free, making it ideal f... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723222   $9.04 
 Down To Earth Oyster Shell - 25 lb   Down to Earth   Down To Earth Oyster Shell - 25 lb 
Oyster Shell flour is an all natural source of high quality Calcium that is ground into varying sizes to ensure an immediate and sustained release of this valuable nutrient. Calcium promotes strong root development, improves nutrient uptake and boosts plant immunity. Oyster Shell builds optimum tilth by improving the texture, aeration and water penetration of soils.... — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723746   $9.05 
Displaying 401 to 420 (of 4247 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
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