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Top Lawn Fertilization & Weed Control in Fullerton, California Ranked
A healthy, vibrant lawn is a cornerstone of curb appeal and outdoor enjoyment in Fullerton. Achieving this requires a strategic approach to lawn fertilization and weed control, tailored to our unique Southern California climate. This guide explains the essential services of lawn feeding and weed management, why a customized plan matters for local grass types, and how you can connect with experienced professionals in the area to develop a program for your property.

Droughtscape
Angeles Crest Hwy, La Cañada Flintridge, CA 91011
Droughtscape is a landscaping and outdoor construction company based in Los Angeles, CA. With over 45 years of experience, they specialize in drought and fire-resistant landscape design and installation, hardscaping, irrigation, fencing, artificial turf, and more. Their services cover a wide range of outdoor improvements including interlocking pavers, decks, pergolas, retaining walls, and yard drainage. Droughtscape serves multiple neighborhoods in the Los Angeles area, focusing on water-saving and sustainable landscaping solutions that suit various home styles. They emphasize clear communication and quality craftsmanship to provide a smooth project experience.
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.
Excellence landscaping and Maintenance
11312 Buell St, Downey, CA 90241
Excellence Landscaping and Maintenance is a full-service landscaping company based in Los Angeles, CA. They offer a wide range of services including lawn mowing, fertilization, weed control, landscape design, tree care, sprinkler installation and repair, yard cleaning, and pressure washing. Their expertise includes customized irrigation systems to keep gardens healthy and vibrant. The company focuses on personalized and meticulous care to transform outdoor spaces into beautiful and functional environments.

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
16022 Adelante St, Irwindale, CA 91702
TruGreen Lawn Care provides lawn fertilization and weed control services in Los Angeles, CA. They focus on delivering tailored lawn care treatments designed to achieve a golf course quality lawn, supported by their role as the Official Lawn Care Treatment Provider of the PGA TOUR®. TruGreen offers a satisfaction guarantee, promising to return between visits if customers are not satisfied with the results.
Understanding Fullerton's Lawn Landscape
The first step to effective lawn care is knowing what's underfoot. Fullerton's warm climate favors specific grass varieties, each with its own needs.
- Warm-Season Grasses (Most Common): These are the primary grasses in Fullerton lawns. They thrive in heat, grow actively from late spring through summer, and go dormant (turn brown) in cooler winter temperatures. The most common types include:
- Bermuda Grass: Known for its durability and fine texture, it's a popular choice for its heat and drought tolerance.
- St. Augustine: A coarse, broad-leaf grass that excels in shade tolerance and creates a thick, carpet-like lawn.
- Zoysia: Valued for its dense growth and slow rate of growth, which can mean less frequent mowing. 1 2
- Cool-Season Grasses (For Winter Overseeding): While less common as a primary lawn, cool-season grasses like Fescue are often used for overseeding in the fall. This process involves planting fescue over a dormant warm-season lawn to maintain a green appearance throughout the winter months. 1 2
The Essential Lawn Care Calendar for Fullerton
A proactive, seasonal schedule is the key to preventing problems and promoting deep-rooted health. Here's a breakdown of what your lawn needs throughout the year.
Spring (March - May): The Foundation Season
This is a critical window for setting up your lawn for success. The focus is on preventing weeds and encouraging strong initial growth.
- Pre-Emergent Weed Control: Applying a pre-emergent herbicide in early spring creates a barrier in the soil that stops weed seeds (like crabgrass and poa annua) from germinating. This is far more effective than trying to eliminate weeds after they appear. 1 3 4
- Light Fertilization: A balanced, slow-release fertilizer provides the nutrients needed for the lawn to green up and begin its active growth phase.
- Aeration: If your soil is compacted, spring is a good time for core aeration. This process pulls small plugs of soil from the lawn, allowing air, water, and nutrients to reach the grass roots more effectively. 1 5
Summer (June - August): Maintenance & Monitoring
Warm-season grasses hit their peak growth during Fullerton's hot, dry summers.
- Regular Watering: Deep, infrequent watering is crucial to encourage deep root growth and drought resistance.
- Spot-Treatment for Weeds: Despite pre-emergent applications, some weeds may appear. Targeted post-emergent spot treatments can address these without affecting the entire lawn.
- Monitoring for Stress: Watch for signs of insect damage or fungal disease, which can be exacerbated by heat and humidity.
Fall (September - November): The Most Important Feeding
Fall lawn care is arguably the most important for long-term health, as it prepares the grass for winter and the following spring.
- Post-Emergent Weed Control: Tackling perennial weeds like dandelions and clover in the fall, when they are actively storing energy in their roots, makes treatments more effective. 6
- Heavy Fertilization (Fall Feeding): This is the key application for the year. Fertilizing in early fall helps repair summer damage, promotes strong root development, and stores energy for the next growing season. 2 3 4
- Overseeding: For those who desire a green lawn in winter, overseeding with cool-season fescue is done in early fall.
- Aeration: Fall is another excellent time for aeration, especially if combined with overseeding, as it improves seed-to-soil contact. 1 4
Winter (December - February): Dormant Care
While growth slows or stops, care doesn't end.
- Dormant Feeding: For Bermuda grass, a winterizer fertilizer applied in late fall or early winter provides nutrients that are absorbed by the roots and stored for a vigorous spring green-up. 2
- Winterization: This includes adjusting irrigation schedules to prevent overwatering and clearing fallen leaves to prevent mold and disease.
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Key Services for a Healthier Lawn
Beyond the basic calendar, several specialized treatments can transform your lawn's health and appearance.
- Professional Fertilization Programs: These are not one-time applications but structured, multi-visit plans. A typical program includes 4-6 visits per year, each with a specific blend of nutrients (like nitrogen, phosphorus, and potassium) timed to your grass's growth cycle. This ensures consistent, balanced feeding without the risk of burn or runoff. 7
- Targeted Weed Management: Effective weed control uses a combination of pre-emergent and post-emergent strategies. Professionals can identify specific weed types (broadleaf vs. grassy weeds) and select the safest, most effective herbicide for your lawn, ensuring the weeds are eliminated without harming the desired grass. 6 4
- Core Aeration & Overseeding: As mentioned, aeration relieves soil compaction. When paired with overseeding, it's a powerful renovation technique. The aeration holes provide an ideal environment for new grass seeds to germinate and establish, thickening the lawn and crowding out future weeds. 1 5
Understanding Investment in Your Lawn
The cost of professional lawn fertilization and weed control in Fullerton varies based on your lawn's size, condition, and the specific services included. Here's a general overview based on typical market rates:
- Weed Control Service: A one-time visit for targeted weed treatment typically ranges from $50 to $100. 7 8
- Fertilization Application: A single professional fertilization application usually costs between $60 and $100. 7 8
- Core Aeration: This service generally ranges from $150 to $300 per treatment, depending on lawn size. 5
- Annual Lawn Care Programs: Comprehensive annual plans that include scheduled fertilization and weed control typically start around $300 and can range up to $800 or more for basic programs, with final pricing heavily influenced by lawn square footage and service frequency. 7 8 9
For the most accurate estimate, it's best to contact local Fullerton providers for a quote based on a direct assessment of your property. Companies like Pacific Coast Landscaping, which offers tailored plans for North Orange County, emphasize that effective care depends on your lawn's specific needs and size. 1 6
Choosing the Right Service Provider
When looking for lawn care expertise in Fullerton, consider providers who:
- Offer Free, On-Site Estimates: They should assess your grass type, soil condition, weed pressure, and irrigation.
- Explain Their Seasonal Plan: They should clearly outline a calendar of services tailored to Fullerton's climate.
- Use High-Quality Products: Inquire about the types of fertilizers and herbicides they use and their safety profiles.
- Have Local Knowledge: Experience with Bermuda, St. Augustine, and Zoysia grasses in Orange County is invaluable.
- Provide Clear Service Agreements: Understand what is included in each visit and the total annual cost.
Frequently asked questions
Sources
Footnotes
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#1 Best Rated Lawn Fertilizing Service In Fullerton, California - https://www.pacificcoastlandscaping.com/lawn-fertilizing/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7
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When to Fertilize Your Lawn in California - LawnStarter - https://www.lawnstarter.com/blog/california/when-to-fertilize-lawn-california/ ↩ ↩2 ↩3 ↩4
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When to Fertilize for a Greener Lawn | ScottsMiracle-Gro US - https://scottsmiraclegro.com/en-us/learn/lawn-care/when-to-fertilize-for-a-greener-lawn.html ↩ ↩2
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How and When to Apply Weed and Feed on Your Lawn - Lawn Love - https://lawnlove.com/blog/how-to-use-weed-and-feed/ ↩ ↩2 ↩3 ↩4
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Lawn Care Cost [2026 Data] | Angi - https://www.angi.com/articles/lawn-care-cost.htm ↩ ↩2 ↩3
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Lawn Weed Control In Fullerton, California - https://www.pacificcoastlandscaping.com/lawn-weed-control/ ↩ ↩2 ↩3
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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 ↩4
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How Much Does It Cost to Fertilize a Lawn? (2026) - HomeGuide - https://homeguide.com/costs/lawn-fertilizer-service-cost ↩ ↩2 ↩3
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How Much Does TruGreen Cost? (2026) - HomeGuide - https://homeguide.com/costs/trugreen-cost ↩