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Jonathan Green Mag-I-Cal Plus for Lawns in Acidic and Hard Soil Annual Program Lawn Conditioner For
Jonathan Green Mag-I-Cal Plus for Lawns in Acidic and Hard Soil Annual Program Lawn Conditioner For
Jonathan Green Mag-I-Cal Plus for Lawns in Acidic and Hard Soil Annual Program Lawn Conditioner For
Jonathan Green Mag-I-Cal Plus for Lawns in Acidic and Hard Soil Annual Program Lawn Conditioner For

Jonathan Green Mag-I-Cal Plus for Lawns in Acidic and Hard Soil Annual Program Lawn Conditioner For

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Corrects acidic, hard soil so the rest of your lawn feeding program actually works, with iron for color and coverage up to 15,000 sq ft.
Jonathan Green MPN 11355 In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $53.99. Our online price is $59.99.
$59.99
Ships $39.99 flat · large item
Ships within 24 hours · most orders arrive in about 2 business days
Heavy item · ships $39.99 flat Large items cost more to ship. Prefer to skip it? This is one to grab locally — no box, no shipping. Check your local store below ↓

About Product Overview

Mag-I-Cal Plus for Lawns in Acidic and Hard Soil is Jonathan Green's answer for lawns struggling with soil pH problems that regular fertilizer can't fix. This granular lawn conditioner works into dry, compacted, or acidic soil to help grass take up nutrients more effectively, setting up the rest of your feeding program to actually work. It's organic, phosphorus-free, and includes iron for color, making it a solid fit for homeowners running an annual lawn care program rather than a one-time fix. The 54 lb bag covers up to 15,000 sq ft, enough for most large yards, and it's labeled safe for Bermuda grass along with all other grass types. Apply dry, any time during the growing season, whether you're maintaining an established lawn or prepping ground for seeding.

  • Coverage: up to 15,000 sq ft
  • Organic granular formula, phosphorus-free
  • Contains iron for lawn color
  • Works on all grass types, including Bermuda grass
  • Pre-emergent, suited for annual lawn programs
  • Made in the USA

The Details Specifications

Brand Jonathan Green
UPC 079545113551
Case Pack Quantity 1 per case
Retail Unit Quantity 1
Dimensions (L × W × H) 5 × 15 × 26
Weight 54 lbs
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

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When you're over there, check four things before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Jonathan Green. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

We're not always the cheapest.

Sometimes you'll find it for less. Sometimes you'll find it for more. On a lot of brands the number is identical everywhere it's sold legitimately — the manufacturer sets a minimum advertised price and every authorized dealer holds it. When a price sits well under that, it's worth asking why before it's worth celebrating.

How pricing actually works
Authorized dealer · Jonathan Green

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