Monterey Sequestar Iron
Best iron supplement for gardeners managing yellowing plants in alkaline soil.
This is the gold standard for reviving yellowing, iron-starved plants in difficult, alkaline soil conditions. By utilizing a superior chelation agent, it bypasses the typical nutrient lockout that renders standard fertilizers useless. It requires a bit more diligence with frequent applications, but it is the most reliable way to restore deep, vibrant green to your garden.
$18.99
at
Garden Elements
More Sequestar options
Who it's for
- Gardeners managing high-pH or calcareous soil conditions
- Plant owners needing fast recovery from yellowing leaves
- Users wanting both soil-drench and foliar spray options
Who should skip it
- Budget-conscious hobbyists seeking low-cost iron supplements
- Homeowners concerned about staining concrete or painted surfaces
- Gardeners requiring a comprehensive, multi-nutrient fertilizer solution
Performance breakdown
Alkaline Soil Efficacy
Eddha chelation ensures iron remains bioavailable in high-pH soil conditions.
Correction Speed
Rapidly reverses chlorosis symptoms for visibly greener foliage in days.
Application Versatility
Adapts easily to drip systems, soil drenches, or dry blending methods.
Nutrient Concentration
Six percent fully chelated iron provides a potent, targeted nutrient boost.
Plant Compatibility
Safe and effective across diverse crops from citrus to ornamental shrubs.
Ease of Dosing
Liquid concentrate format allows for precise measurement during frequent small applications.
Key Specs
NPK Ratio
3-0-0
Iron Content
6% Fully Chelated Iron
Chelating Agent
Eddha
Package Weight
0.25 lbs
Release Type
Fast Release
Season of Use
Spring
Application Method
Drench, spray, drip, dry blend
Water Soluble
Yes
Duration of Effectiveness
16 weeks
Fertilizer Form
Granular
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