FoxFarm Bush Doctor Cal-Mag Qt
Best organic supplement for gardeners seeking stronger plants and higher yields.
This is the gold standard for correcting nutrient deficiencies in organic gardens without resorting to harsh synthetics. It sacrifices the convenience of all-in-one fertilizers for a targeted, high-performance boost that builds stronger cell walls and significantly heavier yields.
$13.99
at
Johnsonsgarden
More Bush Doctor options
Who it's for
- Botanists wanting extra iron support for vibrant chlorophyll production
- Gardeners needing fast recovery for yellowing or stunted plants
- FoxFarm loyalists seeking seamless integration into existing feeding schedules
Who should skip it
- Beginners who struggle with precise measuring and concentrated formulas
- Growers who prefer not to manually adjust solution pH levels
- Budget-conscious hobbyists looking for the most affordable nutrient options
Performance breakdown
Organic Compliance
Dual OMRI and CDFA certification ensures strict adherence to organic standards.
Nutrient Bioavailability
Soy protein hydrolysate base significantly improves nutrient uptake for stressed plants.
Application Versatility
Highly effective across diverse plant species from vegetables to indoor ornamentals.
Cellular Structural Support
High calcium concentration provides a robust foundation for stronger plant stems.
Concentrate Potency
A little goes a long way, offering excellent value per feeding.
Solubility Ease
Requires thorough mixing to prevent settling in irrigation or spray systems.
Key Specs
Package Size
1 quart
Calcium Content
3%
Magnesium Content
0.9%
Organic Certification
OMRI listed
Input Material Status
Registered CDFA organic input material
Derived From
Calcium carbonate, magnesium sulfate and soy protein hydrolysate
Fertilizer Source
Organic
Target Plant Type
Vegetables, Flowers, Trees and Shrubs, Houseplants
Fertilizer Form
Liquid Concentrate
Water Soluble
No
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