Best 10 Lime for Grass: Top Picks for a Lush, Healthy Lawn in 2025

Struggling with patchy, yellow grass despite fertilizing? Your lawn’s soil might be too acidic, locking away nutrients your grass needs to thrive. Applying the best 10 lime for grass can transform your yard by balancing soil pH, reducing moss, and promoting lush, green growth. This guide reviews the top 10 lime products for grass on Amazon, helping you choose the perfect option for a vibrant lawn. Our recommendations are based on 2025 Amazon customer reviews, product specs, and expert lawn care insights from sources like The Lawn Review. Explore lime benefits, our selection process, and detailed comparisons below.

Why Lime is Essential for Your Lawn

Lime is a game-changer for lawns with acidic soil. By raising soil pH, lime for grass unlocks essential nutrients like nitrogen, phosphorus, and potassium, which grass roots struggle to absorb in acidic conditions (pH below 6.0). This promotes stronger roots, denser growth, and a vibrant green color. Without lime, even the best fertilizers can’t work effectively, leaving your lawn weak and prone to weeds.

Signs Your Lawn Needs Lime: Look for moss, weeds like plantain or knotweed, patchy growth, or grass that doesn’t respond to fertilizer. These indicate soil pH is too low, typically below 6.0, which is common in areas with heavy rainfall or frequent fertilizer use.

When to Apply Lime: Fall or early spring is ideal, as freeze-thaw cycles and moisture help lime break down. Avoid applying to stressed or dormant lawns (e.g., summer or winter). Lime takes weeks to months to adjust pH, so plan ahead.

Types of Lime:

• Calcitic Lime: High in calcium, ideal for most lawns.
• Dolomitic Lime: Adds magnesium, best for magnesium-deficient soils.
• Pelletized: Easy-to-spread, low-dust granules.
• Powdered: Finer, faster-acting but messier.
• Fast-Acting: Chemically treated for quicker pH correction.

How We Chose the Best Lime for Grass

To find the best 10 lime for grass, we analyzed 2025 Amazon listings, focusing on products with 4+ star ratings and high review volumes (500+ reviews). We evaluated:

• Effectiveness: Based on customer feedback and expert insights.
• Coverage Area: Suitability for small to large lawns.
• Ease of Application: Preference for pelletized or prilled forms.
• Price: Value for cost per square foot.
• Safety: Prioritized organic and pet-safe options where applicable.

Data came from Amazon customer reviews, product descriptions, and lawn care resources like The Grounds Guys and Pennington. We prioritized user intent—homeowners seeking effective, user-friendly lime for healthier lawns.

The Best 10 Lime Products for Grass: Reviews and Comparisons

1. Espoma Organic Lightning Lime

• Product Description: Espoma Organic Lightning Lime is a fast-acting, pelletized calcitic lime designed to raise soil pH in 6-8 weeks. Infused with natural humic acid, it enhances nutrient uptake, making it ideal for lawns struggling with acidity. Its organic formula is safe for kids and pets, and the dust-free pellets spread evenly with a broadcast spreader. Perfect for homeowners seeking quick, eco-friendly results, this lime transforms patchy lawns into lush, green carpets. Covers 5,000 sq. ft., making it versatile for medium-sized yards.

Buy It From Amazon

• Price: $36.78
• Key Features and Benefits:
  • Fast-acting formula adjusts pH in weeks.
  • Organic, OMRI-listed, and pet-safe.
  • Humic acid boosts nutrient absorption.
  • Pelletized for easy, dust-free application.
• Pros:
  • Visible greening within weeks.
  • High coverage for medium lawns.
  • Safe for organic gardening.
• Cons:
  • Slightly pricier than standard lime.
  • May need reapplication for very acidic soils.
• Amazon Customer Ratings and Reviews: 4.5/5 (2,000+ reviews). Users praise its ease of use and rapid results, with many noting greener grass in 2-3 weeks. Some report slower effects in heavy clay soils.
• Why It’s a Good Choice: Balances speed, safety, and value, making it a top pick for eco-conscious homeowners wanting quick lawn improvements.
• Ideal Use Case: Medium-sized lawns (up to 5,000 sq. ft.) needing moderate pH correction.

2. Pennington Fast Acting Lime

• Product Description: Pennington Fast Acting Lime uses Advanced Soil Technology (AST) to deliver rapid pH correction, often within 2-4 weeks. This pelletized calcitic lime reduces moss and weeds while enhancing fertilizer effectiveness. Its dust-free granules are easy to apply with any spreader, making it a favorite for homeowners needing urgent lawn fixes. Covering 5,000 sq. ft., it’s ideal for medium lawns showing signs of acidity, like yellowing grass or moss growth.

Buy It From Amazon

• Price: $34.40
• Key Features and Benefits:
  • AST speeds up pH adjustment.
  • Reduces moss and weed growth.
  • Dust-free pellets for clean application.
  • Enhances fertilizer performance.
• Pros:
  • Fast results for urgent lawn issues.
  • Compatible with most spreaders.
• Cons:
  • Higher cost per bag.
  • Not suitable for acid-loving plants nearby.
• Amazon Customer Ratings and Reviews: 4.4/5 (1,500+ reviews). Customers report lush grass and reduced weeds, but some note pellets jamming in older spreaders.
• Why It’s a Good Choice: Perfect for quick lawn recovery before events or seasonal planting.
• Ideal Use Case: Medium lawns with visible pH issues needing rapid correction.

3. Solu-Cal Enhanced Calcitic Lime

• Product Description: Solu-Cal Enhanced Calcitic Lime is a premium pelletized lime enriched with bio-available calcium for rapid pH correction and stronger grass roots. Covering 10,000 sq. ft., it’s designed for large lawns or estates with acidic soils. Its low-dust formula ensures clean application, and the added calcium promotes robust growth, making it ideal for professional-grade results. This lime is a go-to for homeowners with expansive yards seeking efficient, long-lasting pH correction.

Buy It From Amazon

• Price: $60.84
• Key Features and Benefits:
  • High coverage for large areas.
  • Bio-available calcium strengthens roots.
  • Fast-acting with low-dust pellets.
• Pros:
  • Cost-effective for large lawns.
  • Visible results in 4-6 weeks.
• Cons:
  • Expensive for smaller yards.
  • Limited availability in some regions.
• Amazon Customer Ratings and Reviews: 4.3/5 (800+ reviews). Users praise its coverage and effectiveness, though some mention the high cost for small applications.
• Why It’s a Good Choice: Ideal for large properties needing efficient, professional-grade pH correction.
• Ideal Use Case: Large lawns or estates (10,000+ sq. ft.) with acidic soil.

4. Soil Doctor Pelletized Lawn Lime

• Product Description: Soil Doctor Pelletized Lawn Lime is an organic, calcitic lime crafted from finely ground limestone and natural tree syrup, processed into easy-to-spread pellets. Covering 1,000 sq. ft., it’s perfect for small urban lawns or gardens needing gentle pH adjustment. Its organic formula is safe for pets and kids, and it enhances fertilizer effectiveness for healthier grass. This lime is a budget-friendly choice for homeowners seeking eco-friendly lawn care without breaking the bank.

Buy It From Amazon

• Price: $33.79
• Key Features and Benefits:
  • Organic and pet-safe formula.
  • Easy-to-spread pellets for small areas.
  • Enhances fertilizer performance.
• Pros:
  • Affordable for small lawns.
  • Eco-friendly and safe.
• Cons:
  • Limited coverage per bag.
  • Slower results (3-6 months).
• Amazon Customer Ratings and Reviews: 4.2/5 (1,200+ reviews). Customers appreciate the affordability and ease, but some note slower pH changes compared to fast-acting options.
• Why It’s a Good Choice: Great value for small yards with mild acidity issues.
• Ideal Use Case: Small urban lawns or gardens needing gentle pH correction.

5. Hoffman’s Pelletized Garden Lime

• Product Description: Hoffman’s Pelletized Garden Lime is a versatile dolomitic lime designed for both lawns and gardens, delivering calcium and magnesium to correct soil pH and address nutrient deficiencies. Its compact 8-lb bag covers 1,000 sq. ft., making it ideal for small yards or targeted applications. The pelletized form ensures dust-free spreading, either by hand or with a spreader, offering convenience for gardeners with mixed plantings. This lime is a budget-friendly option for eco-conscious homeowners seeking dual-purpose soil correction.

Buy It From Amazon

• Price: $20.55
• Key Features and Benefits:
  • Dolomitic lime for magnesium-deficient soils.
  • Compact size for small applications.
  • Dust-free pellets for easy spreading.
• Pros:
  • Very affordable for small areas.
  • Versatile for lawns and gardens.
• Cons:
  • Small bag size limits coverage.
  • Slower-acting (3-6 months).
• Amazon Customer Ratings and Reviews: 4.1/5 (600+ reviews). Users love the price and versatility, but some note limited coverage for larger lawns.
• Why It’s a Good Choice: Perfect for budget-conscious gardeners with small lawns or mixed plantings.
• Ideal Use Case: Small lawns or garden beds with magnesium deficiencies.

6. Baker Lime Dolomitic Limestone

• Product Description: Baker Lime Dolomitic Limestone is a high-quality, powdered lime rich in calcium and magnesium, designed for large-scale lawn pH correction. Sourced from premium limestone deposits, it’s ideal for soils lacking magnesium, such as sandy or clay-heavy lawns. Covering 10,000 sq. ft., this lime provides long-lasting pH adjustment, improving nutrient availability and grass health over months. While it requires careful application due to its powdered form, it’s a trusted choice for homeowners with expansive lawns seeking durable results.

Buy It From Amazon

• Price: $69.99
• Key Features and Benefits:
  • High calcium and magnesium content for nutrient-deficient soils.
  • Large coverage area for cost-effective bulk applications.
  • Long-lasting pH correction (6+ months).
• Pros:
  • Nutrient-rich for sandy or clay soils.
  • Cost-effective for large lawns.
• Cons:
  • Powdered form creates dust during application.
  • Slower-acting (3-6 months).
• Amazon Customer Ratings and Reviews: 4.3/5 (500+ reviews). Users praise long-term soil health improvements, but some dislike the dusty application process.
• Why It’s a Good Choice: Excellent for large lawns needing sustained pH and nutrient correction.
• Ideal Use Case: Large rural lawns with confirmed magnesium deficiencies.

7. Earth Science Fast Acting Lime

• Product Description: Earth Science Fast Acting Lime is a pelletized calcitic lime engineered for rapid pH correction, delivering greener grass in as little as 2-4 weeks. Its dust-free granules are easy to apply with a rotary spreader, making it a convenient choice for homeowners needing quick results. Covering 5,000 sq. ft., it reduces moss and weeds while boosting fertilizer efficiency, resulting in denser, healthier lawns. This lime is perfect for medium-sized yards with urgent pH issues.

Buy It From Amazon

• Price: $33.44
• Key Features and Benefits:
  • Fast-acting formula for quick pH adjustment.
  • Dust-free pellets for clean application.
  • Enhances grass color and density.
• Pros:
  • Rapid results for urgent lawn fixes.
  • Easy to spread with minimal mess.
• Cons:
  • Higher cost per pound.
  • Not organic, less eco-friendly.
• Amazon Customer Ratings and Reviews: 4.4/5 (1,000+ reviews). Customers note fast greening and weed reduction, but some report spreader clogs with older equipment.
• Why It’s a Good Choice: Ideal for homeowners needing immediate lawn improvement before events or seasonal planting.
• Ideal Use Case: Medium lawns with visible pH issues requiring fast correction.

8. Sta-Green Fast-Acting Lime

• Product Description: Sta-Green Fast-Acting Lime is a professional-grade calcitic lime designed for rapid pH balancing and lush grass growth. Its pelletized form ensures easy, dust-free application with standard spreaders, covering 5,000 sq. ft. This lime reduces moss and weeds while enhancing fertilizer performance, making it a reliable choice for homeowners seeking professional results on a budget. Its fast-acting formula delivers visible improvements in 3-6 weeks, ideal for medium-sized lawns with moderate acidity.

Buy It From Amazon

• Price:$25.99
• Key Features and Benefits:
  • Fast-acting for results in weeks.
  • Pelletized for easy, clean spreading.
  • Boosts fertilizer efficiency and grass health.
• Pros:
  • Professional quality at a reasonable price.
  • Effective against moss and weeds.
• Cons:
  • Not organic.
  • Limited availability in some regions.
• Amazon Customer Ratings and Reviews: 4.3/5 (900+ reviews). Users love the quick results and affordability, but some note stock issues on Amazon.
• Why It’s a Good Choice: Balances cost and performance for medium-sized lawns needing quick fixes.
• Ideal Use Case: Homeowners seeking professional results on a budget for medium lawns.

9. Voluntary Purchasing Group Fertilome Hydrated Lime

• Product Description: Fertilome Hydrated Lime is a highly reactive, powdered calcitic lime designed for rapid pH correction in small to medium lawns. Its fine texture ensures quick soil penetration, delivering results in as little as 1-2 weeks. Covering 500 sq. ft., it’s ideal for targeted applications, such as small patches with severe acidity. Rich in calcium, it strengthens grass roots and reduces weeds, but its caustic nature requires careful handling. Perfect for homeowners needing immediate, small-scale pH fixes.

Buy It From Amazon

• Price:$20.94
• Key Features and Benefits:
  • Fastest-acting lime for immediate results.
  • High calcium content for root strength.
  • Ideal for small, targeted applications.
• Pros:
  • Rapid pH correction for urgent needs.
  • Affordable for small areas.
• Cons:
  • Caustic; requires gloves and mask.
  • Limited coverage per bag.
• Amazon Customer Ratings and Reviews: 4.0/5 (400+ reviews). Users appreciate the speed and effectiveness, but some report skin irritation during application.
• Why It’s a Good Choice: Best for quick fixes in small, highly acidic lawn patches.
• Ideal Use Case: Small lawns or spot treatments with severe acidity.

10. Down to Earth All Natural Garden Lime

• Product Description: Down to Earth All Natural Garden Lime is an organic, prilled dolomitic lime designed for eco-conscious homeowners. Its prilled form (small, uniform granules) reduces dust and ensures easy application, covering 2,500 sq. ft. Rich in calcium and magnesium, it corrects pH while nourishing magnesium-deficient soils, making it versatile for lawns and gardens. OMRI-listed and safe for pets and kids, this lime is a sustainable choice for gradual soil improvement, with results in 2-3 months.

Buy It From Amazon

• Price:$19.40
• Key Features and Benefits:
  • Organic, OMRI-listed, and pet-safe.
  • Prilled form reduces dust and spreads evenly.
  • Adds calcium and magnesium for soil health.
• Pros:
  • Eco-friendly and safe for families.
  • Versatile for lawns and gardens.
• Cons:
  • Smaller coverage area.
  • Slower-acting than fast-acting options.
• Amazon Customer Ratings and Reviews: 4.2/5 (700+ reviews). Users love the organic formula and safety, but some note slower results compared to fast-acting limes.
• Why It’s a Good Choice: Perfect for eco-conscious users prioritizing safety and sustainability.
• Ideal Use Case: Organic lawns or gardens needing gentle pH and nutrient correction.

Comparison Table: Top 10 Lime Products for Grass

Table Notes: Prices are approximate based on 2025 Amazon listings. Coverage is per bag. Ratings reflect Amazon customer reviews. For mobile users, swipe to view full table.

How to Choose the Right Lime for Your Lawn

Choosing the best 10 lime for grass depends on your lawn’s needs:

• Soil Test First: Use a soil test kit (available on Amazon for ~$10) to confirm pH levels. Most grasses thrive at pH 6.0-7.0. Below 6.0, lime is needed.
• Lawn Size: Match coverage to your lawn size. Solu-Cal (10,000 sq. ft.) suits large lawns; Hoffman’s (1,000 sq. ft.) is better for small yards.
• Soil Type: Dolomitic lime (Baker, Down to Earth) for magnesium-deficient soils; calcitic (Espoma, Pennington) for general use.
• Speed of Results: Fast-acting limes (Pennington, Earth Science) for quick fixes; standard limes (Soil Doctor, Baker) for gradual correction.
• Organic Preferences: Espoma, Soil Doctor, or Down to Earth for eco-conscious users.
• Budget: Affordable options like Hoffman’s ($11.18) or Soil Doctor ($25.99) vs. premium Solu-Cal ($59.99).

How to Apply Lime to Your Lawn

Proper application ensures the best 10 lime for grass works effectively:

1. Test Soil pH: Confirm acidity with a soil test kit.
2. Calculate Application Rate: Apply 5-10 lbs per 100 sq. ft. for most soils, per product instructions.
3. Use a Spreader: Broadcast or rotary spreaders ensure even application for pelletized lime; powdered lime may need a drop spreader.
4. Water Lightly: Apply 0.25-0.5 inches of water to activate lime and settle it into the soil.
5. Avoid Acid-Loving Plants: Keep lime away from azaleas, blueberries, or rhododendrons, which prefer acidic soil.

• Timing: Apply in fall or early spring for optimal soil integration. Avoid wet or stressed lawns.
• Safety Tips: Wear gloves, a mask, and safety glasses for powdered lime (e.g., Baker, Fertilome). Keep pets and kids off treated areas until watered in.

FAQs About Lime for Grass

• How often should I apply lime? Every 3-5 years, or annually for highly acidic soils, based on soil tests.
• Can I apply lime and fertilizer together? No, separate by 2-4 weeks to avoid nutrient lockup.
• Is lime safe for pets? Organic options like Espoma or Down to Earth are safer; always water in lime before allowing pets on the lawn.
• How long does lime take to work? Fast-acting limes (6-8 weeks); standard limes (3-6 months).
• Where can I buy lime? Amazon, Home Depot, Lowe’s, or local garden centers.

Conclusion

Lime is the secret to unlocking your lawn’s potential, transforming acidic soils into nutrient-rich environments for lush, green grass. Among the best 10 lime for grass, Espoma Organic Lightning Lime stands out for its balance of speed, safety, and value, making it our top pick. Test your soil today, choose the right lime from our list, and watch your lawn thrive. Visit Amazon to check prices and reviews and start your journey to a vibrant lawn! We earn a commission on qualifying Amazon purchases, at no extra cost to you.