Top 10 Potassium Fertilizer Organic – Garden Fertilizers

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1. Down To Earth All Natural Fertilizers


5 lb, Down to Earth Organic Langbeinite Fertilizer Mix 0-0-22

Down To Earth All Natural Fertilizers #ad - Widely used on sensitive vegetables and fruit crops that require high fertilization rates but do not tolerate high levels of chlorine or soluble salts. Down to earth langbeinite is a five pound box of all natural fertilizer with 0-0-22 formula and is listed by the Organic Materials Review Institute OMRI for use in organic production.

This standard grade langbeinite has a typical SGN of 95 and is an excellent source of readily available sulfur, potassium and magnesium. It’s maximum chlorine content is less than 3. 0 percent, minimizing the potential for fertilizer burn, and it’s neutral pH does not alter soil activity. Langbeinite is a naturally mined crystalline mineral that supplies the water-soluble sulfate form of three vital plant nutrients: potassium, magnesium and sulfurs.
BrandDown To Earth All Natural Fertilizers #ad
ManufacturerDown To Earth All Natural Fertilizers #ad
Height7.75 Inches
Length4.75 Inches
Weight5.25 Pounds
Width7.25 Inches
Part Number07852

2. Easy Peasy All-Natural


And Trees 5lb Bag"Packaging May Vary", Lawns, Easy Peasy Plants All-Natural Muriate of Potash Granules, Potassium Fertilizer for Gardens

Easy Peasy All-Natural #ad - Easy to use: granules are easy to spread, and provide plants with a good source of potassium and chloride. Great for what's green: muriate of potash is ideal for most plants, azealas, and turf except for acidic soil loving plants like hydrangeas, trees, gardens, and rhondodendra.

All natural: potash is mined from large rock formations within the earth's crust for a 100% natural source of potassium. Why potash? our 0-0-60 formula produces high-quality flowers and fruits by increasing root health and disease tolerance, and helping your plants synthesize sugars for use as food. Ready for any size project: our muriate of Potash comes in 2, 5, 10, and 20 pound bags for gardens and lawns of any size.
BrandEasy Peasy All-Natural #ad
ManufacturerEasy Peasy Plants Inc. #ad
Part Number4336441518

3. Supreme Growers


Simply Silica 8oz Concentrate by Supreme Growers Potassium Silicate Liquid Fertilizer Promotes Growth of Strong Plant Tissues Improves Natural Resistance to Environmental Stresses Makes 47 Gallons

Supreme Growers #ad - Silica increases root growth, boosts yield, and enhances crop quality. It will not clog drippers. Simply silica improves a plant's natural resistance to environmental stresses, including heat and drought.

The 8oz concentrate of Simply Silica makes 47 gallons of ready to use product. Silica is a mineral supplied to plants as a nutrient that provides rigidity and structural endurance for crops. Use simply silica as a soil drench or foliar spray once a week from start of vegetive growth throughout flowering and fruiting. Simply silica is designed to supplement your existent nutrient program, not replace it. Simply silica is a liquid fertilizer formulated with potassium Silicate that promotes the growth of strong plant tissues. It is safe for resevoirs.
BrandSupreme Growers #ad
ManufacturerSupreme Growers #ad
Part Number1

4. Unco Industries


Worm Castings Organic Fertilizer, Wiggle Worm Soil Builder, 15-Pounds, Package May Vary

Unco Industries #ad - Non-toxic and odor free. Organic fertilizer - Pure earthworm castings. Excellent for houseplants, vegetables, flowers and more. Just a handful will make your plants happy.
BrandUnco Industries #ad
ManufacturerUnco Industries #ad
Height4 Inches
Length14 Inches
Weight15 Pounds
Width8 Inches
Part NumberWWSB15LB

5. PowerGrow Systems


Sulfate of Potash Magnesia K-MAG Organic Fertilizer 0-0-22 5 pounds, LANGBEINITE

PowerGrow Systems #ad - Langbeinite sulfate of Potash Magensia or K-MAG in bulk. Langbeinite is easy on plants and will not burn plants when used as a fertilizer. Langbeinite is an excellent source of readily available sulfur, potassium and magnesium. Langbeinite fertilizer has an NPK of 0-0-22. Langbeinite is available in 5lb, 10lb, and 20lb quantities.
BrandPowerGrow Systems #ad
ManufacturerPowerGrow Systems #ad

6. Alpha Chemicals


Potassium Sulfate, Sulfate of Potash, 20 Pounds, Organic

Alpha Chemicals #ad - Shipped in a resealable bag that is sealed for safety and freshness. It includes a tear-off tab for easy opening. A good source of potassium and sulfur.
BrandAlpha Chemicals #ad
Weight22 Pounds
Part Number6598498148

7. Garden Naturals


Natural Potash 0-0-60 Fertilizer 15 Pounds Garden Naturals Brand

Garden Naturals #ad - Try other great fertilizer from Garden Naturals like Ammonium Nitrate, Sulfur Powder, and More! Natural potash by Garden Naturals 15 Lbs. Great source of Potassium. Great for plant health and disease prevention. Fertilize your garden, trees, lawn, and other plants.
BrandGarden Naturals #ad

8. Alpha Chemicals


Sulfate of Potash, Potassium Sulfate, 10 Pounds

Alpha Chemicals #ad - A good source of potassium and sulfur. It includes a tear-off tab for easy opening. Shipped in 2 - 5 lb resealable foil bags that are sealed for safety and freshness.
BrandAlpha Chemicals #ad
Part NumberPD-527

9. Jobe's Organics


And Water Soluble Plant Foods, 10 Oz, Jobe's Organics 555813 Flowering Liquid, Slow Release

Jobe's Organics #ad - Contains jobe’s biozome and the proprietary microorganism archaea that aggressively breaks down material for faster result. Fertilizer analysis: 3-3-3 10 oz box, or 20 oz box; For watering can or hose end sprayer. Organic water soluble fertilizer mix for making liquid fertilizer for watering cans and hose sprayers for beautiful flowering plants. Jobe’s biozome improves soil conditions; Helps your garden resist disease, insects, drought and other unfavorable conditions within a growing season.
BrandJobe's Organics #ad
ManufacturerJobe’s Organics #ad
Height3.5 Inches
Length3.5 Inches
Weight0.88 Pounds
Width5.5 Inches
Part Number555813
WarrantyJobe’s Organics  fertilizers are guaranteed not to burn when used as directed. Jobe’s, Jobe’s Organics and Biozome are registered trademarks of Easy Gardener Products, Inc.

10. Greenway Biotech, Inc.


Monopotassium Phosphate Fertilizer 0-52-34 100% Water Soluble Hydroponics"Greenway Biotech Brand" 3 Pounds

Greenway Biotech, Inc. #ad - Great source of Water Soluble Potassium and Phosphate. It helps with roots Strength, Buds, and Blooms. Great water soluble Fertilizer For All stages of Growth. 3 pounds of greenway biotech brand monopotassium Phosphate 0-52-34 Contains 52% Phosphorous and 34% Potassium and is 100% Water Soluble.
BrandGreenway Biotech, Inc. #ad
ManufacturerGreenway Biotech, Inc. #ad
Weight3 Pounds
Part NumberTRTAZI11A