Down to Earth All Natural Langbeinite 5 lb. 0-0-22
Best organic potassium supplement for home vegetable and flower gardeners.
Nourish your garden naturally with Down to Earth Langbeinite 0-0-22. This OMRI-Listed fertilizer, mined from natural deposits, delivers a clean boost of potassium, magnesium, and sulfur. It's ideal for vegetable gardens, flower beds, trees, and container plants, promoting stronger stems and better root development. This fast-acting, low-chloride formula enhances nutrient uptake, especially for fruiting crops like tomatoes and peppers. Safe for organic gardening, this 5-pound bag ensures lush, productive growth without synthetic additives or excessive salt, supporting vibrant blooms and foliage.
$14.98
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-76%
Below average
SKU
44603
Who it's for
- Gardeners seeking comprehensive nutrient support for healthy plant development
- Container growers worried about salt burn on delicate plants
- Organic farmers requiring certified inputs for sustainable crop production
Who should skip it
- Users needing high-potency fertilizers for rapid soil amendment
- Gardeners looking for an immediate fix for nutrient-deficient plants
- Gardeners managing soil already prone to high acidity levels
Performance breakdown
Nutrient Density
High concentrations of potassium, magnesium, and sulfur drive vigorous plant health.
Organic Integrity
OMRI-listed status ensures complete compliance for strictly organic gardening standards.
Application Versatility
Granular form works seamlessly for top dressing or soil incorporation.
Root Development Support
Specifically formulated to strengthen stems and establish robust, deep root systems.
Fruiting Efficiency
Low-chloride formula optimizes nutrient uptake for high-yield tomatoes and peppers.
Soil Compatibility
Natural mineral base integrates safely into diverse garden and container environments.
Key Specs
SKU
44603
Size
5 Pounds
Item Form
Granular
Contains 22% soluble potash (K2O)
Contains 10.8% magnesium
Contains 22% combined sulfur
OMRI Listed for organic use
Low-chloride formula
Features
- Provides essential potassium, magnesium, and sulfur.
- Fast-acting and low-chloride formula.
- Ideal for diverse plant types.
- Strengthens stems and improves roots.
- Enhances nutrient uptake for fruiting crops.
- Safe for organic gardening.
- Supports blooms and foliage quality.
- Made in the USA.
What customers say
Organic gardeners highly value this Langbeinite as an essential soil amendment. The core benefit is its natural slow release of vital secondary nutrients, specifically Potassium, Magnesium, and Sulfur. Users consistently report significant improvements in plant vigor, root structure, and overall crop yield. This gentle, slow feeding action avoids the burning risk associated with synthetic fertilizers, promoting sustained soil health throughout the season. The product's natural sourcing and OMRI listing strongly appeal to environmentally conscious growers. While it carries a premium price, consumers agree the purity and effectiveness fully justify the investment for serious organic cultivation. It is viewed as a foundational, reliable choice for balanced nutrition.
Know before you buy
This fertilizer provides a concentrated source of potassium (22% soluble potash), magnesium (10.8%), and sulfur (22%). It is specifically designed to support plant health without adding nitrogen or phosphorus.
Many standard potassium fertilizers contain high levels of chloride, which can be harmful to salt-sensitive plants. This low-chloride formula is safer for a wider variety of crops and helps prevent salt buildup in the soil.
Yes, this granular fertilizer is suitable for houseplants, as well as outdoor vegetables, flowers, and trees. Because it is water-soluble, it can be incorporated into the soil to provide a steady release of nutrients to your indoor plants.
You can either mix the granules into the soil before planting or use it as a top dressing around established plants during the growing season. It is particularly beneficial for fruiting crops like tomatoes and peppers to enhance nutrient uptake.
Yes, Down to Earth Langbeinite is OMRI-listed, meaning it has been reviewed and approved for use in organic gardening. It is mined from natural mineral deposits and contains no synthetic additives.
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