Grass Types
Bahiagrass: The Pasture Grass Used as a Lawn
Bahiagrass lawn care starts with an honest verdict: NC State rates its turf quality low. Right for a big rural lot, wrong almost everywhere else.
Micronutrient (liquid iron)
Southern Ag Chelated Liquid Iron (1 gal) Review
★★★★☆ 4.4/5
our editor rating how we score4.6/5 from 1,776 shoppers at Amazon — their number, not ours.
$28–$35 (1 gal)
Typical price · Varies by dilution; treats several thousand sq ft
Affiliate links — see our disclosure. Commissions never influence verdicts.
Greens a pale lawn without the nitrogen — the right answer when the yellow is iron lockout rather than hunger.
Our Verdict
The product that fixes the specific problem alkaline soil creates. Iron chlorosis shows as yellow new growth with green veins, and adding nitrogen makes it worse; chelated iron greens it in days without pushing growth. It is a symptom fix, not a soil fix — high pH will keep locking iron away until you address the chemistry, which is why this belongs alongside a soil test rather than instead of one.
✅ Pros
- Greens the lawn in days without the mowing surge nitrogen causes
- Chelated form stays available in high-pH soil where sulfate forms lock up
- Usable in summer heat when fast nitrogen is risky
- Clemson recommends liquid iron for centipedegrass colour in place of extra nitrogen
⚠️ Cons
- Treats the symptom; it does not lower soil pH
- Will stain concrete, pavers and siding if it drifts
- Needs repeating through the season
- Liquid application means a sprayer and dilution maths
Product type
Micronutrient (liquid iron)
Active ingredient
Chelated iron (EDTA)
Price range
$28–$35 (1 gal)
Coverage
Varies by dilution; treats several thousand sq ft
Best for
Iron chlorosis on alkaline soil, and colour without a growth flush
our editor rating
4.4 out of 5
Where This Product Matters
Matched against each state's actual disease, weed and pest pressure.
Arizona
Arizona hub →⚖️ Arizona soils run strongly alkaline (7.8–8.5), which is why iron lockout — not nitrogen hunger — is the usual cause of a pale Bermuda lawn here.
Colorado
Colorado hub →⚖️ Colorado's alkaline Front Range soils resist pH change, so CSU's practical route to colour is iron rather than acidifying the whole profile.
Idaho
Idaho hub →Iron chlorosis in southern Idaho, which is not a disease but is the single most common reason a lawn here is yellow — and it is misdiagnosed as a nitrogen shortage nearly every time
Montana
Montana hub →Iron chlorosis on the alkaline plains soils, which is a nutrient-availability problem misread as a nitrogen shortage
New Mexico
New Mexico hub →Iron chlorosis — not a pathogen, but the most common reason a New Mexico lawn is yellow, and the one where buying the wrong chelate wastes the money entirely
South Carolina
South Carolina hub →⚖️ Clemson's centipedegrass programme uses liquid iron between the two permitted nitrogen applications, because more nitrogen risks centipedegrass decline.
Wyoming
Wyoming hub →Iron chlorosis on soils above pH 7.5, which is the most common reason a Wyoming lawn is yellow and is routinely treated as a nitrogen shortage instead
Common questions
Common Questions
How much does Southern Ag Chelated Liquid Iron (1 gal) cost?
Southern Ag Chelated Liquid Iron (1 gal) typically runs $28–$35 (1 gal), covering Varies by dilution; treats several thousand sq ft.
What does Southern Ag Chelated Liquid Iron (1 gal) treat?
Southern Ag Chelated Liquid Iron (1 gal) targets Iron chlorosis, Yellowing on alkaline soil, Colour without growth.
What is the active ingredient in Southern Ag Chelated Liquid Iron (1 gal)?
Chelated iron (EDTA).
What is the biggest downside of Southern Ag Chelated Liquid Iron (1 gal)?
Treats the symptom; it does not lower soil pH
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