25-Pack FE SUPER Systemic Iron Tree Implants - Fast Green-Up

In this review of the 25-Pack FE SUPER Systemic Iron Tree Implants the bottom line is simple: this is a practical, low-effort solution for trees showing iron chlorosis that need a lasting green-up. The reviewer found the implants easiest to use on medium and large trunks, with one treatment advertised to last 2 to 3 years and a clear benefit for trees planted in calcareous or sandy, iron-poor soils. For gardeners and municipal crews who want a targeted, long-lasting corrective treatment the product delivers visible greening without mixing chemicals.

Key Features

• Fast green-up: The implants deliver elemental iron directly to the trunk so leaves regain green color more quickly than soil-applied iron treatments.
• Long lasting control: One treatment is formulated to supply iron for 2 to 3 years, reducing the need for frequent reapplication.
• Ready to install: Cartridges come pre-measured so there is no on-site mixing of chemicals and installation is straightforward.
• Compact cartridge size: The 1/2 in implant fits a standard half-inch drill hole and plugs the small wound made in the trunk.
• Effective on many species: Labeled for susceptible trees including oak, birch, citrus and maple where chlorosis is common in alkaline soils.

Who It's For

The product is aimed at homeowners, landscape professionals and arborists treating trees with visible iron deficiency, especially those in calcareous, arid or sandy soils where root uptake of iron is limited. If a user needs a targeted trunk application that avoids foliar sprays or soil drenching, these implants fit that workflow.

Those who should look elsewhere include gardeners treating very small saplings with thin trunks (the implants require a 1/2 in drill hole and spacing) or people seeking a quick fix for nutrient-poor potting mixes where systemic trunk implants are not appropriate.

Pros & Cons

Pros

• Fast and visible improvement in leaf greenness for susceptible species.
• Long duration of effect, with one treatment reported to last 2 to 3 years.
• Simple, ready-to-install cartridges eliminate measuring of chemicals on site.
• Install time is short; customers report drilling and tapping can take about 5 minutes per tree.

Cons

• Longevity reports are mixed by some users, so follow-up evaluation after two years is prudent.
• Requires simple tools and drilling into the trunk, which some gardeners may prefer to avoid.

Specifications

Product	FE SUPER systemic iron tree implants
Count	25 implants per pack
Implant diameter	1/2 in
Duration	One treatment lasts 2 to 3 years
Treated trunk guideline	10 implants treat a 14 in diameter trunk
Tools required	Tape measure, cordless drill with 1/2 in bit, hammer and bolt or dowel
Intended use	Control of iron chlorosis in trees

Our Verdict

For property owners and professionals managing trees in alkaline or sandy soils these implants are a cost-effective, low-hassle way to correct iron chlorosis and restore leaf color for multiple seasons. They are particularly good value when treating medium and large landscape trees where trunk installation is straightforward and repeated treatments are undesirable.

Frequently Asked Questions

How long before I see greening?
Customers report visible improvement in leaf color within weeks, with full effect developing as iron moves through the cambium.

How many implants does my tree need?
Guidance notes that 10 implants treat about a 14 in diameter trunk; measure trunk diameter and space implants 4 to 6 in apart.

Do I need special tools?
Basic tools are required: a tape measure, cordless drill with a 1/2 in bit, and a hammer with a bolt or dowel rod to tap the implants into the drilled holes.