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Lilly Miller

Lilly Miller is renowned for its effective Moss Out! products designed to control moss on lawns, roofs, walks, and structures with reliable formulas.

7 products Updated March 4, 2026

Lilly Miller Products (7)

1
Prime

Lilly Miller Moss Out Roof Moss Killer - Dry Granule Formula 6 lbs, Covers 6000 sq ft, Non-Staining for Roofs, Patios, Gutters

Lilly Miller
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Fast-acting microgranule formula kills moss effectively
  • Broad coverage on multiple surfaces including roofs and brick
  • Flexible application methods: dry broadcast or water mix
  • Protects structures without damage to gutters or paint
  • High coverage rate saves product and time

Cons

  • Avoid contact with plants and lawns to prevent damage
  • Requires waiting 3-5 weeks for moss to die before removal
  • Mixed spray solution cannot be stored
2
-9%
Lilly Miller Moss Out Lawn Moss Killer Concentrate 1 Gallon - Fast-Acting, Grass-Safe Formula Covers 2000 Sq Ft
Prime

Lilly Miller Moss Out Lawn Moss Killer Concentrate 1 Gallon - Fast-Acting, Grass-Safe Formula Covers 2000 Sq Ft

Lilly Miller
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Fast-acting moss elimination
  • No damage to surrounding grass
  • Prevents moss regrowth effectively
  • Large coverage area per gallon
  • Simple concentrate application

Cons

  • Requires mixing and application equipment
  • Chemical-based, not suitable for organic lawns
  • May need multiple treatments in heavy moss areas
3
Prime

Lilly Miller Moss Out Lawn Granules 20lb - Fast Moss Killer, Greener Grass, Covers 5000 sq ft

Lilly Miller
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Rapid action kills moss effectively in 24 hours
  • Enhances grass color for a lusher lawn appearance
  • Broad coverage suits big yards
  • Lawn-friendly formula avoids damage
  • Easy application with visible results

Cons

  • Granules may require a spreader for even application
  • Can potentially stain concrete or hard surfaces if oversprayed
  • Best results need watering in after application
4
Prime

Lilly Miller Moss Out Concentrate 27oz - Fast-Acting Moss Killer for Roofs, Walks, Decks & Patios, Non-Staining

Lilly Miller
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Quick moss kill visible in hours
  • No staining or surface damage
  • Long-lasting protection up to 12 months
  • Versatile for multiple outdoor surfaces
  • Cost-effective concentrated formula

Cons

  • Requires dilution before use
  • Ammoniated soap may produce temporary odor
  • Avoid application near desirable plants
5
Prime

Lilly Miller Moss Out Lawn Moss Killer Ready-to-Spray 32oz Hose-End - Fast-Acting Ferric Sulfate Formula

Lilly Miller
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Kills moss rapidly, often within hours
  • Provides excellent results with liquid iron
  • Easy hose attachment for simple application
  • Effective at preventing moss comeback
  • High user rating of 4.1 stars

Cons

  • For lawn and turf use only, not other surfaces
  • Requires a standard garden hose
  • May require multiple applications in heavy moss areas
6
Prime

Lilly Miller Moss Out Roof & Walk Moss Killer - Ready to Spray 27oz Non-Staining Formula

Lilly Miller
9.4
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Rapid results visible in hours
  • No mixing or pumping required
  • Covers large areas efficiently
  • Does not stain common outdoor materials
  • Simple application reaches up to 25 feet

Cons

  • Avoid runoff to protect nearby plants and lawns
  • Treated surfaces become slippery when wet
  • Dead moss must be hosed or swept away after treatment
7
Prime

Lilly Miller Moss Out Roof & Walk Moss Killer Spray, Ready-to-Use 27oz 2-Pack - Fast-Acting Non-Staining Formula

Lilly Miller
9.4
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Fast-acting formula kills moss during peak growth periods
  • Versatile for multiple surfaces including roofs and wood decks
  • Non-staining to avoid damage or discoloration
  • Extends service life of treated areas
  • Covers substantial area with 27oz ready-to-spray bottles

Cons

  • Requires application before rain and dry weather for several days
  • Most effective only during fall, winter, or spring—not summer
  • Chemical spray may require safety precautions around plants or pets

Lilly Miller Brand Guide

Lilly Miller has built a strong reputation in the lawn and garden care industry, particularly for its specialized Moss Out! product line. These solutions target stubborn moss growth on lawns, roofs, walks, and structures, offering homeowners and gardeners effective ways to maintain clean, healthy outdoor spaces. With options ranging from granules and concentrates to ready-to-spray formulas, Lilly Miller provides versatile tools for various moss control needs.

Brand Overview

Lilly Miller focuses on practical, results-driven products that address common outdoor challenges like moss proliferation. Moss can thrive in damp, shaded areas, leading to slippery surfaces and unsightly patches on roofs, patios, and lawns. The brand's Moss Out! lineup is formulated to penetrate and kill moss at the root, promoting long-term prevention without harsh residues. Homeowners appreciate the ease of application and the brand's commitment to effective, user-friendly solutions that fit into regular yard maintenance routines.

What Makes Lilly Miller Stand Out

What sets Lilly Miller apart is its dedication to targeted moss control, backed by formulas that work on multiple surfaces. Whether dealing with roof moss that shortens shingle life or lawn moss that chokes out grass, these products deliver consistent performance. The range includes dry granules for broad coverage, concentrates for custom mixing, and ready-to-spray options for convenience. This variety ensures users can select the right tool for their specific situation, from small walkways to large lawns. Lilly Miller's products are praised for their reliability, making them a go-to choice for those tired of recurring moss issues.

Product Quality and Reputation

Lilly Miller maintains high standards in product quality, with formulas designed for thorough moss elimination and minimal impact on surrounding areas. Users often highlight the brand's ability to handle tough moss in Pacific Northwest climates or other humid regions where growth is rampant. The reputation for durability and effectiveness has made Lilly Miller a staple in moss control categories. Safety features, like reduced runoff formulas for roof applications, further enhance trust among eco-conscious gardeners.

  • Granular options spread evenly for lawns and large areas.
  • Concentrates allow for economical, large-scale treatments.
  • Ready-to-spray bottles simplify spot treatments on walks and structures.

This quality focus ensures lasting results, helping users reclaim their outdoor spaces with confidence.

Who Their Products Are Best For

Lilly Miller products suit homeowners, landscapers, and garden enthusiasts battling moss in shaded or moist environments. They're ideal for those maintaining roofs to prevent damage, revitalizing lawns for healthier turf, or clearing walkways for safety. If you're in a region prone to moss—like coastal areas—these solutions provide the targeted control needed. For broader pest management, explore related options in weed and moss control or pest control sprays.

Key Product Categories

Lilly Miller excels in specialized categories within patio, lawn, and garden care. Their moss control offerings dominate, with products tailored for roofs and structures, lawns, and hardscapes like walks. These fit seamlessly into gardening and lawn care routines. Additionally, the brand touches on repellents through spray formats, providing comprehensive yard protection. Key lines include:

  • Moss Out! for Roofs and Structures: Dry formulas for vertical surfaces.
  • Moss Out! for Lawns: Concentrates and granules to restore grass health.
  • Moss Out! for Roofs and Walks: Ready-to-spray for quick applications.

These categories ensure Lilly Miller meets diverse needs, from preventive maintenance to heavy infestations.

Frequently Asked Questions

What types of moss does Lilly Miller control?

Lilly Miller Moss Out! products effectively target common moss species found on lawns, roofs, walks, and structures, killing them at the root for lasting results.

Are Lilly Miller products easy to apply?

Yes, with options like ready-to-spray bottles and spreadable granules, application is straightforward for homeowners without needing special equipment.

Can these products be used on all surfaces?

Most are safe for roofs, lawns, walks, and structures when used as directed, but always check labels for specific surface compatibility.

How soon do results appear?

Moss typically turns brown and dies within weeks, with full clearance and prevention over time as per application guidelines.

Where can I find more lawn care products?

Check out related sections like patio, lawn, and garden for complementary solutions.