Down To Earth Langbeinite
Best organic mineral supplement for sensitive plants and fruit quality.
This naturally mined mineral is the gold standard for gardeners who need a potassium boost without the risk of chlorine burn. It’s a specialized, low-impact solution that prioritizes soil health and fruit quality over bulk synthetic additives.
$15.01
at
HTG Supply / SimplyHydro (HTG Supply network)
More Langbeinite options
Who it's for
- Organic growers requiring OMRI-listed soil amendments
- Gardeners seeking a balanced, multi-nutrient mineral boost
- Farmers protecting delicate crops from chemical fertilizer burn
Who should skip it
- Gardeners needing an all-in-one complete NPK fertilizer solution
- Growers requiring rapid correction for acute nutrient deficiencies
- Budget-conscious gardeners comparing costs against synthetic alternatives
Performance breakdown
Nutrient Profile
Delivers a potent, balanced trio of essential secondary nutrients and potassium.
Plant Safety
Low chlorine content significantly reduces the risk of sensitive root burn.
Organic Compatibility
OMRI-listed status ensures full compliance for certified organic gardening practices.
Application Versatility
Granular form works seamlessly across vegetables, shrubs, and container-grown plants.
Soil Impact
Neutral pH formulation maintains soil health without disrupting delicate microbial balance.
Nutrient Availability
Sulfate-based minerals provide rapid, readily accessible nutrition for thirsty plants.
Key Specs
Weight
5 lbs
Guaranteed Analysis
0-0-22
Potassium (K2O)
22.0% (Soluble)
Magnesium (Mg)
10.8% (Water Soluble)
Sulfur (S)
22.0% (Combined)
Chlorine (Cl)
Max 3.0%
Fertilizer Source
Natural, Mineral Based
Application Method
Soil application, side dressing, mixing with backfill soil
Organic Certified
True
Season of Application
Spring, Summer, Fall
Know before you buy
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