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Top Lawn Fertilization & Weed Control in Lake Forest, California Ranked
A healthy, vibrant lawn is a cornerstone of curb appeal and outdoor enjoyment in Lake Forest. Achieving that lush, green carpet requires a strategic approach to lawn fertilization and weed control, tailored to the unique Southern California climate and the specific grasses that thrive here. This guide provides a detailed look at professional lawn feeding and weed management services, explaining why a customized, seasonal program is essential and how you can connect with local experts who understand the needs of your landscape.
Lawnscape Systems, Inc.
5215 State St, Montclair, CA 91763
Lawnscape Systems, Inc. is a lawn care and landscaping company based in Los Angeles, CA, serving Southern California including Orange, San Bernardino, Riverside, Ventura, and San Diego counties. They offer a range of services such as fertilization, weed control, lawn pest control, aeration, overseeding, and commercial landscaping. With over 45 years of experience since 1979, Lawnscape Systems provides tailored lawn care programs designed to maintain healthy lawns year-round. Their capabilities include specialized fertilization, broadleaf weed control, disease and insect treatments, and weed abatement using herbicides and soil sterilants to protect lawns from pests and invasive grasses.

Heavenly's Lawn Care
555 Anton Blvd suit 150, Costa Mesa, CA 92626
Heavenly's Lawn Care is a lawn care and landscaping company based in Los Angeles, CA, serving Orange County and the High Desert areas. They offer a broad range of services including lawn mowing, fertilization, weed control, tree trimming, stump grinding, and landscape design. With over four years of experience, Heavenly's Lawn Care focuses on personalized property maintenance using eco-friendly practices to enhance outdoor spaces. The company is known for its local expertise and customer-focused approach, providing flexible scheduling and free estimates.

TruGreen Lawn Care
1620 Sinclair St, Anaheim, CA 92806
TruGreen Lawn Care provides lawn fertilization, weed control, and comprehensive lawn care services in Los Angeles, CA. They tailor their treatments to local conditions to help customers achieve a well-maintained, golf course-quality lawn. As the Official Lawn Care Treatment Provider of the PGA TOUR®, TruGreen applies professional expertise to lawn care. The company offers a satisfaction guarantee, promising to return between visits if customers are not satisfied with the results.
Aragon: Orange County Lawn Care & Landscaping Company
1364 Watson Ave, Costa Mesa, CA 92626
Aragon: Orange County Lawn Care & Landscaping Company is a family-owned business based in Costa Mesa, serving Los Angeles, CA and surrounding Southern California areas. Since 2005, they have provided a wide range of lawn care and landscaping services for residential and commercial properties, including lawn mowing, fertilization, weed control, sod installation, tree services, irrigation repair and installation, fencing, and outdoor lighting. Their expertise includes smart, water-wise irrigation systems designed for the local climate, ensuring efficient water use and healthy landscapes. With over 20 years of experience, Aragon focuses on clear communication and tailored maintenance plans to keep outdoor spaces well-maintained year-round.

Brothers Landscape Services
838 Marian Way, Anaheim, CA 92804
Brothers Landscape Services is a family-owned landscaping company based in Los Angeles, CA, offering a wide range of commercial and residential lawn care and landscaping solutions. Their services include lawn mowing, fertilization, weed control, sod installation, landscape design, sprinkler installation and repair, and irrigation system maintenance. They serve multiple cities throughout Orange County, providing comprehensive turf maintenance and water management services. The company emphasizes experience and versatility, handling projects of various sizes with expertise in irrigation system renovation and valve replacement.
Understanding Your Lake Forest Lawn
The foundation of effective lawn care begins with knowing what type of grass you have. In Lake Forest, warm-season grasses dominate the landscape due to their ability to thrive in our summer heat and enter a natural dormancy (turning brown) during cooler winter months 1 2.
- Common Warm-Season Grasses: Bermuda, St. Augustine, Zoysia, and Buffalo grass are the most prevalent. These grasses have distinct growth cycles, with their peak growing season occurring from late spring through early fall.
- Cool-Season Grasses: Varieties like Fescue and Kentucky bluegrass are less common as they require significantly more water and can struggle during our intense summer heat, necessitating a different care regimen 2.
Identifying your grass type is the first step, as it directly influences the timing, type, and frequency of both fertilization and weed prevention treatments.
The Essential Seasonal Program
Professional lawn nutrition and weed management in Lake Forest isn't a one-time event; it's a year-round cycle. A typical comprehensive program involves 4-5 targeted treatments, each designed to address the lawn's needs at that specific time of year 3 2.
Spring (March - April): The Wake-Up Call
As temperatures rise, your lawn exits dormancy. The spring service focuses on balanced fertilization to encourage strong initial growth. Crucially, this is the time for applying pre-emergent herbicides, which create a barrier in the soil to prevent crabgrass and other grassy weeds from germinating. Broadleaf weed control is also often part of this visit 2 4.
Late Spring & Summer (May - August): Sustaining Health
Late spring treatments often involve another round of seasonal fertilizer and continued broadleaf weed control. During the peak summer heat, applications shift to slow-release nitrogen formulas that feed the grass steadily without causing excessive, vulnerable growth. Spot treatment for any breakthrough weeds and monitoring for insect pests are key components of summer care 2 4.
Fall (October - November): The Most Critical Season
Fall lawn care is arguably the most important for long-term health. Treatments focus on a high-potassium, root-development fertilizer. This strengthens the root system to survive the winter and ensures a vigorous return in the spring. Fall is also the prime window for controlling stubborn winter broadleaf weeds like clover and dandelion 1 2 5. For Bermuda grass lawns, overseeding with Perennial Rye is a popular fall service to maintain a green lawn through the winter months 4.
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Key Services Within a Treatment Plan
A professional lawn care plan encompasses several integrated services beyond just spreading fertilizer.
- Fertilization: Applying the right blend of nutrients (Nitrogen, Phosphorus, Potassium) at the correct rate and time to fuel healthy growth and color.
- Weed Control: This includes both pre-emergent applications to stop weeds before they start and post-emergent spot treatments to eliminate existing weeds.
- Soil Amendments: Professionals may recommend or apply wetting agents to help water penetrate hydrophobic soils, a common issue in our region, or adjust the soil pH based on needs 4.
- Core Aeration: While often an add-on service, annual aeration is highly recommended for compacted soils. It involves pulling small plugs of soil to allow air, water, and nutrients to reach the root zone more effectively, providing a significant boost to soil health and treatment efficacy 3 6.
Investment and Cost Considerations
Understanding the typical costs for lawn feeding and weed management can help you budget and evaluate service quotes. Pricing is primarily based on the size of your lawn and the complexity of the service package.
- Per Application Cost: For a standard visit including fertilization and spot weed control, homeowners can expect to pay approximately $60 to $70 or more per treatment 3 6.
- Annual Program Cost: A basic annual package covering the essential seasonal applications typically ranges from $300 to $600 or more per year, depending on the company and lawn square footage 3 7.
- Add-On Services: Supplemental services like core aeration might cost around $170 or more for a single treatment, while manual weeding or pest control would incur additional charges 6 8.
Pro Tips for Lake Forest Homeowners
To get the most out of your lawn care program, consider these expert recommendations:
- Conduct a Soil Test: Every 2-4 years, have your soil tested. This reveals its pH and nutrient profile, allowing for perfectly customized fertilizer blends rather than guesswork 9 10.
- Water Wisely: Irrigation needs change with the seasons and grass type. Adjust your watering schedule accordingly, and consider a professional audit to ensure even coverage and efficiency. Using wetting agents can be a game-changer if you notice water running off rather than soaking in 4.
- Choose Local Expertise: The most effective results come from companies that design their programs specifically for the Southern California microclimate and the common grasses of Orange County. Their experience with local weed pressures and seasonal timing is invaluable 3 1.
Frequently asked questions
Sources
Footnotes
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Lawn Fertilization & Weed Control in Southern California - https://www.lawnscape.com/lawn-care-services/fertilization-weed-control/ ↩ ↩2 ↩3
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5 Application Lawn Program - https://naturescapelawncare.com/us/services/lawncare/5app/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6
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Lake Forest, CA Lawn Care Service | Lawn Mowing from $19 - https://www.lawnstarter.com/lake-forest-ca-lawn-care ↩ ↩2 ↩3 ↩4 ↩5
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Southern California Lawn Care Calendar | Month-by-Month Plan - https://www.landtechscenery.com/southern-california-lawn-care-calendar ↩ ↩2 ↩3 ↩4 ↩5
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Seasonal Lawn Care Maintenance and Treatment Schedule - https://www.trugreen.com/lawn-care-101/blog/trugreen-lawn-care-services/lawn-maintenance-checklist ↩
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How much does lawn care service cost? - Green Lawn Fertilizing - https://www.greenlawnfertilizing.com/blog/how-much-does-lawn-care-service-cost ↩ ↩2 ↩3
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Lawn Care Pricing & Cost Guide 2026 | Instant Quotes from $29 - https://lawnlove.com/pricing ↩
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How Much Does Weed Control Cost in 2026? - LawnStarter - https://www.lawnstarter.com/blog/cost/weed-control-price/ ↩
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Fertilization and Weed Plans for a Beautiful Lawn - https://www.lawndoctor.com/annual-programs/fertilization-and-weed-plans/ ↩
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An Effective Lawn Fertilizer Schedule That Works In 2025 - https://suncolawns.com/lawn-fertilizer-schedule/ ↩