Harris Seeds Nutri-K Fertilizer
Best high potency potassium supplement for serious vegetable gardeners.
A fast-acting potassium supplement designed to correct deficiencies that cause yellowing leaves and poor fruit development. It absorbs quickly through foliage, helping plants better withstand drought, frost, and fungal pressure for healthier, more resilient growth.
$20.95
at
Harris Seeds
Who it's for
- Gardeners seeking to improve crop yields and overall plant health
- Growers needing a fast-acting solution for nutrient-deficient plants
- Homeowners managing diverse gardens with multiple plant varieties
Who should skip it
- Beginners looking for a single all-purpose feeding solution
- Busy gardeners who prefer ready-to-use or pre-mixed formulas
- Low-maintenance hobbyists wanting a set-it-and-forget-it approach
Performance breakdown
Absorption Speed
Foliar delivery bypasses root systems for near-instant nutrient uptake.
Stress Resilience
Significantly bolsters plant defenses against drought and frost damage.
Application Versatility
Works seamlessly across diverse vegetable, fruit, and ornamental plant varieties.
Mixing Convenience
Simple dilution ratios make preparation straightforward for any gardener.
System Compatibility
Integrates effortlessly into existing feeding schedules with other nutrient supplements.
Deficiency Correction
Rapidly reverses yellowing and stunted growth caused by potassium shortages.
Key Specs
Weight
16 oz
Application Method
Foliar
Compatibility
Compatible with Nutri-Cal
Usage
Mix 1 to 3 oz per gallon
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