9 Best Lawn Fertilizers (October 2026)

Choosing lawn fertilizer is less about finding the biggest number on a bag than matching its nutrients and timing to your grass. Apply a high-nitrogen formula when the lawn is not growing actively, or spread too much in one pass, and feeding can turn into lawn damage. The Best Lawn Fertilizers here cover routine feeding, late-season root support, iron-assisted greening, and alternatives to granular spreaders.

The short answer: Scotts Turf Builder WinterGuard Fall Food is our pick for fall recovery, Scotts Turf Builder Lawn Food fits general feeding across grass types, and Scotts Green Max is the iron-supplement option for a deep green lawn. The rest include a balanced professional formula, a southern-grass blend, a liquid spray, and two options for longer or natural feeding.

TL;DR: top picks at a glance

TL;DR: top picks at a glance

• Best overall: Scotts WinterGuard Fall Food, with 4,000-square-foot coverage and a 32-0-10 formula for autumn feeding.
• Best for general feeding: Scotts Turf Builder Lawn Food, a 32-0-4 granular formula covering 5,000 square feet.
• Best for fast greening: Scotts Green Max, which combines lawn food with an iron supplement in a 5,000-square-foot bag.
• Best for a long feeding interval: Pennington Full Season 4M, a 32-0-5 granular fertilizer with nitrogen that releases over time.

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Best Lawn Fertilizers Comparison (October 2026)

#	Product	Best for	Coverage	Weight	Form
1	Scotts WinterGuard Fall Food	Autumn lawn recovery	4,000 sq ft	10 lb	Granules
2	Scotts Turf Builder Lawn Food	Routine grass feeding	5,000 sq ft	12.5 lb	Powder
3	Scotts Green Max	Iron-assisted greening	5,000 sq ft	16.7 lb	Granules
4	The Andersons PGF Complete	Extended balanced feeding	5,000 sq ft	18 lb	Granules
5	Scotts Southern Lawn Food	Southern grass types	5,000 sq ft	14.1 lb	Granules
6	The Andersons PGF Balanced	Balanced nutrient feeding	5,000 sq ft	18 lb	Granules
7	Simple Lawn Solutions 16-4-8	Spray-on feeding	Not listed	2 lb	Liquid
8	Pennington Full Season 4M	Slow-release nitrogen	4,000 sq ft	11.2 lb	Granules
9	O.M. Scott Natural Grass Food	Natural lawn feeding	2,000 sq ft	12.72 lb	Not listed

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1. Scotts WinterGuard Fall Food: Best Fall Lawn Fertilizer for Seasonal Recovery

• Coverage: 4,000 sq ft
• NPK Formula: 32-0-10
• Form: Granules
• Application Method: Spreader
• Weight: 10 lb

Pros:

• The 32-0-10 formula supplies a substantial nitrogen portion alongside potassium for fall feeding.
• Granules spread across a lawn with a spreader rather than requiring a spray attachment.
• The 4,000-square-foot coverage suits a typical residential lawn.
• Fall application is designed around recovery after summer stress and preparation for winter.

Cons:

• Coverage is 1,000 square feet less than Scotts Turf Builder Lawn Food.
• Uneven application can burn grass, so careful spreading matters.
• Growth results can vary with timing and lawn conditions.

Best for: Homeowners feeding a 4,000-square-foot lawn in fall who want a granular formula intended for seasonal recovery.

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The Scotts WinterGuard Fall Food is built around the seasonal transition, not year-round convenience. Its 32-0-10 formula puts nitrogen first and potassium third, making it a focused choice when the aim is to help a lawn recover from summer and enter winter in better shape. Apply it in fall, rather than treating it as a substitute for every seasonal feeding.

The granules go down with a spreader, a familiar setup for anyone who maintains a lawn with bagged fertilizer. A 10-pound bag covers 4,000 square feet, enough for a modest yard without asking you to store a much larger bag. The product can be applied to wet or dry grass, which leaves some flexibility around the day’s conditions.

Compared with Scotts Turf Builder Lawn Food, WinterGuard has a more seasonal job and a higher potassium number in its 32-0-10 formula. The general-purpose Scotts option covers 5,000 square feet and is described for spring, summer, or fall. Choose WinterGuard when fall is the priority; choose the standard blend when you want a broader application window.

Greening and lawn health are the product’s appeal, but application precision is the caveat. A heavy pass or uneven distribution can burn patches, and growth response is not consistent across every lawn. A spreader and an even walking pattern are especially important when feeding a tired yard after a hot, dry summer.

This is also a practical fit for a lawn that needs recovery rather than a dramatic one-day color change. Use the fall window as intended, and the formula’s 10% potassium makes it distinct from Scotts’ general-purpose 32-0-4 blend.

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2. Scotts Turf Builder Lawn Food: Best General Lawn Fertilizer for Mixed Seasons

• Coverage: 5,000 sq ft
• NPK Formula: 32-0-4
• Form: Powder
• Application Window: Spring, summer, or fall
• Weight: 12.5 lb

Pros:

• The 5,000-square-foot bag covers more ground than the WinterGuard bag.
• The 32-0-4 formula is designed for general grass feeding.
• The fertilizer can be applied in spring, summer, or fall.
• It is suitable for all grass types.

Cons:

• Results vary, and excessive or uneven application can damage grass.
• It is not an iron-focused formula for targeted greening.
• A 12.5-pound bag still needs a spreader for consistent lawn coverage.

Best for: People maintaining a mixed or unidentified grass lawn who want one granular fertilizer for several seasons.

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Where WinterGuard targets fall, Scotts Turf Builder Lawn Food is the flexible everyday option. The 32-0-4 formula suits grass feeding across spring, summer, and fall, and the 5,000-square-foot coverage makes it a better fit for a larger yard than the 4,000-square-foot WinterGuard bag.

Its broad grass-type compatibility is useful when you have not identified the exact variety in your lawn or have more than one type growing across the property. Spread it on a wet or dry lawn, using a consistent pattern so the product does not pile up in stripes or concentrated patches. The available product information gives no iron supplement as a defining feature, so look to Green Max if color is the specific goal.

Compared with Scotts Green Max, this formula is the more straightforward choice for regular feeding. Green Max adds iron and is also sized for 5,000 square feet, while Turf Builder Lawn Food focuses on the basic 32-0-4 nutrient blend. Compared with WinterGuard, it has the wider seasonal window but less potassium.

The trade-off is that broad-use convenience does not guarantee identical results in every yard. Grass can green up and thicken, but growth varies, and application mistakes can leave damaged areas. Keep the spread even and follow the product’s application directions rather than treating the coverage figure as permission to stretch the bag over extra lawn.

For a homeowner with no specialized seasonal or regional need, its clearest advantage is simplicity: one product, several application seasons, and coverage for 5,000 square feet. The 12.5-pound bag also stays more manageable than the 16.67-pound Green Max package.

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3. Scotts Green Max: Best Iron Lawn Fertilizer for Deep Greening

• Coverage: 5,000 sq ft
• Form: Granules
• Nutrient Supplement: Iron
• Application: Lawn spreading
• Weight: 16.7 lb

Pros:

• The iron supplement differentiates it from general-purpose Scotts Turf Builder Lawn Food.
• Granules fit a standard spreader-based lawn routine.
• One bag covers 5,000 square feet.
• It is suitable for any grass type.

Cons:

• The 16.7-pound bag is heavier to carry than the other Scotts options here.
• It is not sold in Florida.
• The product details do not give a clear feeding-duration figure.

Best for: Anyone seeking a granular iron supplement for deeper lawn greening across up to 5,000 square feet.

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Scotts Green Max trades the simple nutrient profile of Turf Builder Lawn Food for a formula that pairs lawn food with iron. That makes it the specialized choice in the Scotts group for a lawn where color is a priority, rather than a direct replacement for a fall-specific blend such as WinterGuard.

The 16.67-pound bag covers 5,000 square feet, so it has the same coverage as the general-purpose Scotts food but weighs more. That extra load matters when carrying it from storage or loading a spreader, though the application remains familiar: spread the granules evenly over the lawn. It can be used on any grass type, with Florida excluded from availability.

The product is distinct from The Andersons PGF Complete, which pairs a 16-4-8 formula with iron, micronutrients, and Humic DG. Green Max’s clear selling point is the iron supplement, while PGF Complete gives a broader nutrient profile and a feeding window of up to eight weeks from quick- and slow-release nitrogen.

There is little product-specific information here about a repeat-application interval, so avoid assuming that the word “Max” means longer feeding. It is a targeted color-oriented option, not a detailed lawn-care schedule in a bag. Use it where iron-assisted greening is the main need and the 5,000-square-foot coverage fits the lawn.

Compared with Scotts Turf Builder Lawn Food, Green Max is the more focused pick for color, but Turf Builder is lighter and easier to carry. That is a meaningful practical difference if the bag has to travel across a large property before it reaches the spreader.

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4. The Andersons PGF Complete: Best 16-4-8 Fertilizer for Extended Lawn Feeding

• Coverage: 5,000 sq ft
• NPK Formula: 16-4-8
• Form: Granules
• Humic Content: 7%
• Weight: 18 lb

Pros:

• The 16-4-8 formula provides nitrogen, phosphorus, and potassium.
• Quick- and slow-release nitrogen feed for up to 8 weeks.
• Fine particles are designed for even distribution.
• Humic DG, iron, and micronutrients add to the formula.

Cons:

• The 18-pound bag is the heaviest granular option in this group.
• It is not for sale in California.
• Its feeding window is longer than a quick feed, but not a full season.

Best for: Lawn caretakers wanting a 16-4-8 granular formula with an extended feeding window for up to 5,000 square feet.

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The Andersons PGF Complete is the formula-led choice: 16-4-8, with 7% Humic DG, iron, and micronutrients. Quick- and slow-release nitrogen extend feeding for up to eight weeks, which gives it a more sustained role than an all-quick-release fertilizer.

The fine granules are intended to spread evenly, an advantage when a lawn has areas that are easy to miss with coarser material. The 18-pound bag covers 5,000 square feet, but it takes more effort to carry than the smaller Scotts bags. It is also unavailable in California, an important restriction for regional shoppers.

Compared with Scotts Green Max, PGF Complete has a more specific three-number nutrient formula and an extended feeding period. Green Max is the simpler iron-assisted pick; PGF Complete makes more sense if balanced nutrients and a longer nitrogen release are the priorities. Neither is a liquid spray, so both fit a spreader-based routine rather than a hose-end application.

The limitation is its middle-ground timing. Up to eight weeks is a useful feeding span, but it does not make this a single-application-per-season product like Pennington Full Season 4M. The heavier bag and California restriction also narrow the fit, especially for a small lawn or a location where it cannot be sold.

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5. Scotts Southern Lawn Food: Best Southern Grass Fertilizer for Warm-Season Lawns

• Coverage: 5,000 sq ft
• Form: Granules
• Application Method: Spreader
• Target Grass: Southern grasses
• Weight: 14.1 lb

Pros:

• The formula is tailored to Southern lawns and grass types.
• A 14.06-pound bag covers 5,000 square feet.
• Granules work with a spreader.
• It can be applied during the growing season in spring, summer, or fall.

Cons:

• It is a regional formula, not the most direct choice for northern grass types.
• No NPK ratio is provided in the product details.
• The bag is heavier than Scotts Turf Builder Lawn Food.

Best for: Households with Southern grass that want a spreader-applied fertilizer for growing-season use.

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The strongest reason to choose Scotts Southern Lawn Food is regional fit. It is formulated for Southern lawns, with a 5,000-square-foot coverage area and an application window across spring, summer, or fall. That makes it more specific than the general-use Scotts Turf Builder Lawn Food.

The granules go down with a spreader, and light watering after application is recommended for faster results. The product is designed to build strong roots and help grass handle heat and drought, concerns that make a Southern-specific formula more relevant than the fall-only WinterGuard option.

Compared with The Andersons PGF Balanced, Southern Lawn Food is the narrower choice: its purpose is warm-region grass, while the 10-10-10 PGF formula is balanced for lawns and gardens. Its limitation is the same specialization. If your grass is not a Southern type, Scotts Turf Builder Lawn Food has broader all-grass use, and its 32-0-4 formula is identified more precisely.

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6. The Andersons PGF Balanced: Best 10-10-10 Fertilizer for Lawn and Garden Use

• Coverage: 5,000 sq ft
• NPK Formula: 10-10-10
• Form: Granules
• Iron Content: 2%
• Weight: 18 lb

Pros:

• Equal 10-10-10 nutrient numbers provide a balanced formula.
• The product includes micronutrients and 2% iron.
• Fine granules support even spreader application.
• It is intended for lawns and gardens.

Cons:

• All nitrogen is quick-release, rather than slow-release.
• The 18-pound bag is heavy to move and load.
• It is not for sale in California.

Best for: People who want a balanced granular feed for lawn and garden use during the growing season.

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A 10-10-10 formula gives The Andersons PGF Balanced a different job from the nitrogen-heavy products above. Equal NPK numbers make it a balanced option for lawns and gardens, while 2% iron and micronutrients add a greening component to the granular blend.

It covers 5,000 square feet and can be applied with a spreader during the growing season, with spring and fall as the preferred application times. Its fine particle size is intended to help distribute the fertilizer evenly. The 18-pound bag is substantial, so moving it across a yard is more of a chore than carrying the smaller Scotts Turf Builder package.

Compared with The Andersons PGF Complete, this formula is balanced rather than 16-4-8, and its nitrogen is all quick-release. PGF Complete has quick- and slow-release nitrogen for up to eight weeks, while PGF Balanced gives a more immediate feeding profile. The product is not available in California, and its quick-release composition makes it less suitable for anyone seeking a longer feeding interval.

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7. Simple Lawn Solutions 16-4-8: Best Liquid Lawn Fertilizer for Spray Application

• NPK Formula: 16-4-8
• Form: Liquid
• Bottle Size: 32 fl oz
• Application Method: Spray
• Mixing Ratio: 3-5 fl oz per gallon of water

Pros:

• The liquid formula avoids spreading granules across the lawn.
• A 16-4-8 ratio supplies nitrogen, phosphorus, and potassium.
• It is formulated for a range of grass types.
• The concentrate mixes with water for spray application.

Cons:

• Coverage per bottle is not provided.
• Application requires measuring and mixing the concentrate.
• It lacks a stated feeding-duration figure.

Best for: People who prefer spray application and are comfortable mixing a concentrated liquid with water.

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The liquid format is the defining difference with Simple Lawn Solutions 16-4-8. Instead of filling a spreader with granules, you dilute the concentrate at 3 to 5 fluid ounces per gallon of water and apply it as a spray. The formula is also 16-4-8, the same NPK ratio as The Andersons PGF Complete.

That changes the work involved. There is no granular bag to distribute, but you do need to measure and mix the concentrate, and the product details do not give a coverage figure for the 32-ounce bottle. That makes it harder to plan how much lawn one bottle will cover compared with the Scotts and Andersons bags, which specify square footage.

The listed grass types include Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Bahia, fescue, ryegrass, and Kentucky bluegrass. Compared with Scotts Turf Builder Lawn Food, this liquid is a better fit for someone who prefers spraying and has the equipment to apply it. The trade-off is less clarity on area coverage and feeding interval.

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8. Pennington Full Season 4M: Best Slow-Release Lawn Fertilizer for One Seasonal Feeding

• Coverage: 4,000 sq ft
• NPK Formula: 32-0-5
• Form: Granules
• Nitrogen Release: Up to 4 months
• Weight: 11.2 lb

Pros:

• Polymer-coated urea releases nitrogen over as long as four months.
• The 32-0-5 formula includes 5% iron for greening.
• One application is intended to feed for a season.
• The 11.2-pound bag covers 4,000 square feet.

Cons:

• Coverage can fall short of the stated 4,000 square feet in practice.
• Clumping can interfere with spreader flow.
• Storage and expiration condition can affect performance.

Best for: People seeking one spring application of slow-release granular fertilizer for a lawn up to 4,000 square feet.

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A single spring application is the appeal of Pennington Full Season 4M. Its 32-0-5 formula includes 5% iron, and polymer-coated urea releases nitrogen over as long as four months. A dry, stressed lawn has been a useful real-world fit for this blend, which can help restore a darker green appearance.

The practical warning is distribution. The granules can clump, interfere with spreader flow, and create a concentrated patch that burns grass. Coverage can also fall below the 4,000-square-foot figure, so it is a poor choice if the lawn is already at the edge of that area. Compared with The Andersons PGF Complete, its feeding window is longer, but the granule-flow problem is more consequential than a minor inconvenience.

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9. O.M. Scott Natural Grass Food: Best Natural Lawn Fertilizer for Smaller Yards

• Coverage: 2,000 sq ft
• Feeding Duration: Up to 10 weeks
• Formulation: Natural nutrient sources
• Weight: 12.72 lb

Pros:

• It feeds immediately after application and watering, then continues for up to 10 weeks.
• The formula is made with natural nutrient sources.
• It is suitable for all grass types.
• The package is recyclable where curbside paper recycling is available.

Cons:

• Coverage is limited to 2,000 square feet.
• Odor can be noticeable.
• It must be watered immediately after application for immediate feeding.

Best for: People maintaining a smaller lawn who want a natural-source fertilizer with feeding that lasts up to 10 weeks.

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O.M. Scott Natural Grass Food is the natural-source option for a smaller lawn. It covers 2,000 square feet and feeds for up to 10 weeks, beginning immediately when watered after application. Greener, denser grass within a week is a realistic outcome, though the odor is not consistent from one application to another.

Compared with Scotts Turf Builder Lawn Food, it gives up 3,000 square feet of coverage and is a better fit for a compact yard. Its natural formulation and lack of added pesticides suit people who want that specific approach, but the limited coverage and possible smell keep it behind the broader granular picks.

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Buyer's Guide: How to Choose the Right Lawn Fertilizer

Fertilizer choice is a balance between feeding strength and how long you want that feeding to last. Match the formula and application season to the grass, then apply it evenly; a useful product can still burn a lawn when spread unevenly.

Before choosing, check:

• Grass type: confirm whether the product suits your grass, especially if you have a Southern variety.
• NPK ratio: compare nitrogen, phosphorus, and potassium needs instead of choosing by color claims alone.
• Coverage: measure the lawn area and select a bag or bottle that can cover it without stretching.
• Release speed: decide whether you want immediate feeding, slow release, or a mix of both.
• Application format: choose granular spreading or liquid spraying based on the equipment and routine you prefer.

Nutrient Ratio and Lawn Needs

NPK numbers show the relative percentages of nitrogen, phosphorus, and potassium in a fertilizer. Nitrogen supports green growth, phosphorus supports root development, and potassium contributes to overall plant function. A high first number is not automatically the right choice for every lawn or every season.

The Scotts products illustrate the range: Turf Builder Lawn Food uses 32-0-4, WinterGuard uses 32-0-10, and The Andersons PGF Balanced uses 10-10-10. The 32-0-10 formula gives WinterGuard more potassium than Scotts’ general formula, while 10-10-10 distributes its three nutrients evenly. Select a formula for your lawn’s needs, not just the biggest nitrogen number.

Coverage and Lawn Area

Coverage is the amount of lawn a package is designed to treat. Measure the area you plan to fertilize before buying, then follow the package’s directions for that size. Applying too little may leave areas unevenly fed; applying too much in one spot can damage grass.

The broadest coverage among the granular options here is 5,000 square feet, shared by Scotts Turf Builder Lawn Food, Green Max, Southern Lawn Food, and both Andersons products. WinterGuard and Pennington Full Season 4M cover 4,000 square feet, while O.M. Scott Natural Grass Food covers 2,000. Simple Lawn Solutions does not provide a coverage number, so its 32-ounce bottle is harder to plan around.

A smart sprinkler can help make watering routines more consistent after application. Outdoor routines can also include pond fishing, where lures for bass serve a separate purpose from lawn care.

Release Speed and Application Timing

Quick-release formulas feed more immediately; slow-release materials extend feeding over a longer period. The Andersons PGF Balanced uses all quick-release nitrogen, while PGF Complete combines quick- and slow-release nitrogen for up to eight weeks. Pennington Full Season 4M uses polymer-coated urea to release nitrogen over as long as four months.

Timing matters as much as duration. WinterGuard is designed for fall, while Southern Lawn Food suits growing-season applications in spring, summer, or fall. Choose the season-specific option when the calendar is the main need. For a broader schedule, Scotts Turf Builder Lawn Food can be used in spring, summer, or fall.

Granules, Liquid, and Even Distribution

Granular fertilizer is the standard choice in this lineup. A spreader makes an even pass easier, but the product still needs to flow consistently. Pennington Full Season 4M can clump and interrupt spreader flow, so it is not the easiest option for a casual application.

Liquid fertilizer avoids spreading dry granules, but it adds a measuring and mixing step. Simple Lawn Solutions 16-4-8 requires 3 to 5 fluid ounces per gallon of water. If you would rather skip mixing, a granular product with a clear coverage figure is simpler to plan. Whichever form you choose, concentrate on even distribution and the package’s directions to avoid burned patches.

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Frequently Asked Questions About Lawn Fertilizers

How do I choose lawn fertilizer for my grass type?

Choose a fertilizer whose directions include your grass type, and use a regional formula when the lawn calls for one. Scotts Turf Builder Lawn Food and Green Max are for all grass types, while Scotts Southern Lawn Food is specifically formulated for Southern grasses.

How much lawn fertilizer do I need for my yard?

Measure the lawn area and match it to the product’s coverage figure. The products here cover from 2,000 to 5,000 square feet per package, while Simple Lawn Solutions does not provide a coverage number.

Is granular or liquid lawn fertilizer easier to apply?

Granular fertilizer is usually the more direct choice if you already have a spreader, while liquid fertilizer suits someone comfortable measuring and mixing concentrate. Simple Lawn Solutions uses 3 to 5 fluid ounces per gallon of water, whereas the bagged products are spread over the lawn.

Can lawn fertilizer burn grass?

Yes, applying too much or distributing it unevenly can burn grass. Pennington Full Season 4M can clump and flow unevenly through a spreader, and both Scotts WinterGuard and Scotts Turf Builder have inconsistent growth outcomes when application is not right.

How long does slow-release lawn fertilizer feed?

It depends on the formula: Pennington Full Season 4M releases nitrogen for up to four months, and The Andersons PGF Complete feeds for up to eight weeks. O.M. Scott Natural Grass Food feeds for up to 10 weeks, with immediate feeding when you water after application.

Does natural lawn fertilizer smell?

It can, though the odor varies with O.M. Scott Natural Grass Food. That product feeds for up to 10 weeks and is made with natural nutrient sources, but its 2,000-square-foot coverage makes it a better fit for a smaller yard.

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Final Verdict: Which Lawn Fertilizer Should You Buy?

The Best Lawn Fertilizers depend on timing and lawn size, but Scotts WinterGuard Fall Food is our top pick for fall recovery: its 32-0-10 formula and 4,000-square-foot coverage are built around that seasonal job. Its weakness is the possibility of burned patches from uneven or excessive application, so careful spreading is essential.

For broad seasonal use, choose Scotts Turf Builder Lawn Food. Its 32-0-4 formula covers 5,000 square feet and works across spring, summer, or fall. If deep greening is the main aim, Scotts Green Max adds iron and covers the same 5,000 square feet, though its bag is heavier.

The Andersons PGF Complete is the formula-focused alternative, with 16-4-8 nutrients, 7% Humic DG, and feeding for up to eight weeks. Pennington Full Season 4M fits a different need: one spring application with nitrogen release for up to four months, provided its clumping does not disrupt your spreader.

If you are still undecided, match the application season first, then choose a formula that covers your measured lawn without stretching the bag.