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Top Lawn Fertilization & Weed Control in Costa Mesa, California Ranked
A healthy, vibrant lawn in Costa Mesa is more than just a green space; it's a testament to proper seasonal care and targeted nutrient management. Lawn fertilization and weed control are the twin pillars of maintaining a resilient, beautiful turf that can withstand the local climate and outcompete invasive plants. This guide explains the specific needs of Costa Mesa lawns, from grass types to seasonal schedules, helping you understand the services available to achieve a lush, weed-free yard.
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.

Roldan Brothers Landscaping
los angeles
Roldan Brothers Landscaping is a landscaping and hardscaping company serving Los Angeles, CA, and surrounding areas. Since 2017, they have offered a wide range of services including lawn care, sprinkler and irrigation system installation, fence and deck building, tree trimming, landscape lighting, and custom pergolas. They also specialize in hardscaping projects such as concrete patios, paver installations, and driveway paving. Their team uses high-quality materials and provides customized solutions tailored to each property. With over 10 years of combined experience, the Roldan Brothers focus on creating functional and attractive outdoor spaces that meet client needs.

CG Tree & Landscape Inc.
133 W Victoria St, Gardena, CA 90248
CG Tree & Landscape Inc. is a landscaping company based in Los Angeles, CA, serving the South Bay area including Palos Verdes and Torrance. Since 2014, they have provided a range of services including lawn care, tree planting and care, landscape design and installation, irrigation management, and commercial and residential landscaping. Their team specializes in selecting and maintaining plants and trees suited to the coastal climate, ensuring healthy, balanced growth. They also offer comprehensive lawn maintenance programs and certified tree care for HOA and multi-family properties.
Understanding Costa Mesa's Lawn Grasses
The foundation of any effective lawn care program is knowing what type of grass you're feeding. In Costa Mesa, the climate favors warm-season grasses, which have their peak growth during the hotter months 1 2.
- Bermudagrass: A durable, sun-loving grass that thrives in summer heat and can handle high foot traffic. It's a common choice for local lawns and sports fields.
- Zoysiagrass: Known for its dense, carpet-like growth and good drought tolerance once established. It provides a lush, green appearance.
- St. Augustinegrass: A popular choice for its wide blades and shade tolerance compared to other warm-season varieties. It creates a thick, coarse-textured lawn.
- Kikuyugrass: A vigorous grower that is well-adapted to the Southern California climate, though it can be invasive if not managed properly 3.
While less common, some properties may have cool-season grasses like Tall Fescue or Kentucky Bluegrass. These varieties grow most actively in the cooler fall and spring months and require a completely different fertilization and watering schedule 1 2. A local lawn care professional can help identify your grass type, which is the first critical step in a customized lawn feeding and weed management plan.
The Essential Seasonal Care Calendar
A proactive, calendar-based approach is key to lawn health in Costa Mesa. Reactive care often leads to weed outbreaks and nutrient deficiencies. Here's a breakdown of the annual cycle for turf nutrition and weed suppression.
Spring (March - June): The Wake-Up Call
This period is about encouraging strong, healthy growth to crowd out weeds.
- First Feeding (Late March/April): Apply a balanced fertilizer to kick-start growth after winter dormancy 4 5.
- Pre-Emergent Weed Control: This is arguably the most important step. Applying a pre-emergent herbicide creates a barrier in the soil that prevents weed seeds (like crabgrass and poa annua) from germinating 1 6.
- Aeration: If your soil is compacted, spring is a good time for core aeration, which allows water, air, and nutrients to reach the grass roots more effectively 4.
Summer (June - August): Supporting Peak Growth
Warm-season grasses hit their stride in the summer heat.
- Peak Feeding: Applications of fertilizer with higher nitrogen (N) content support lush, green top-growth 1 4.
- Micronutrient Supplements: Iron supplements can enhance green color without promoting excessive growth, which is especially useful during heat waves 4.
- Pest & Disease Scouting: Keep an eye out for signs of chinch bugs, grubs, or fungal diseases, which are more active in warm, moist conditions.
- Watering Adjustment: Deep, infrequent watering is best to encourage deep root systems. Water early in the morning to minimize evaporation 7.
Fall (September - November): Preparing for Resilience
The goal shifts from top-growth to root strength and winter preparation.
- Root-Strengthening Fertilizer: Apply a fertilizer higher in Potassium (K). This nutrient strengthens cell walls, improves drought tolerance, and helps the lawn withstand colder temperatures 1 4.
- Post-Emergent Weed Control: Tackle any existing broadleaf weeds (like dandelions or clover) with targeted spot treatments 8.
- Overseeding (Optional): For cool-season lawns or to fill in thin warm-season turf, overseeding in October or November can be effective 1.
Winter (December - February): The Dormant Season
Growth slows or stops for warm-season grasses.
- Minimal Feeding: Fertilization is generally not required 4.
- Irrigation System Check: This is the ideal time to inspect and repair sprinkler systems before the next growing season.
- Weed Control: Winter is when many cool-season weeds appear. Targeted control may still be necessary to prevent them from taking hold 8.
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Key Components of a Professional Service Program
When you enlist a local expert for lawn nutrient management and weed eradication, their program is built on several core practices that go beyond simply spreading fertilizer.
- Soil Testing: A fundamental step often overlooked by homeowners. A professional soil test reveals pH levels and specific nutrient deficiencies, allowing for a truly customized fertilizer blend rather than a generic one-size-fits-all approach 7.
- The 1/3 Mowing Rule: Adhering to the rule of never cutting more than one-third of the grass blade height at once is crucial for lawn health. It reduces stress, encourages deeper roots, and helps clippings decompose quickly to return nutrients to the soil 9.
- Integrated Weed Management: Effective programs use a combination of pre-emergent (preventative) and post-emergent (remedial) herbicides, applied at the correct time with the right equipment for safe, effective results 1 6 8.
- Water Management Guidance: Professionals can provide tailored advice on watering schedules based on your soil type, grass species, and local weather, ensuring your lawn gets the moisture it needs without waste 4.
Understanding Investment and Value
Investing in professional lawn feeding and weed prevention provides consistency and expertise that can save time and money in the long run by preventing costly problems like widespread weed invasions or turf disease. Costs in Costa Mesa are typically structured in two ways:
- Annual Program: A full-season program encompassing 4 to 6 scheduled visits for fertilization and weed control typically ranges from $300 to $600 per year for an average-sized lawn 10 11.
- Per-Visit Service: For individual applications, such as a fertilization and weed control treatment for a lawn up to 10,000 square feet, costs generally fall between $65 and $100 per visit 10 11. Spot treatments for weed control alone may range from $50 to $100 per visit 10 12.
These figures can vary based on your lawn's exact size, condition, accessibility, and the specific products used. Reputable providers will always offer a detailed, written estimate after a property evaluation.
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 ↩4 ↩5 ↩6 ↩7
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When to Fertilize Lawn in Southern California: Seasonal Guide - https://orangecountylawncare.net/when-to-fertilize-lawn-in-southern-california/ ↩ ↩2
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Costa Mesa, CA Lawn Care | 6000+ 5-Star Reviews - https://www.getsunday.com/local-guide/lawn-care-in-costa-mesa-ca ↩
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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 ↩6 ↩7
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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 ↩
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When to Apply Weed and Feed to Your Lawn - LawnStarter - https://www.lawnstarter.com/blog/lawn-care-2/when-to-apply-weed-and-feed/ ↩ ↩2
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Easy Lawn Maintenance Schedule - Pennington Seed - https://www.pennington.com/all-products/grass-seed/resources/a-simple-weekday-maintenance-schedule-for-a-lush-lawn ↩ ↩2
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Professional Landscape Bed Weed Control Services - https://emeraldlawns.com/services/bed-weed-control/ ↩ ↩2 ↩3
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Spring Lawn Care Preparation & Steps - Home Depot - https://www.homedepot.ca/en/home/ideas-how-to/outdoors/lawn-garden/spring-lawn-care-preparation-and-steps.html ↩
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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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How Much Does It Cost to Fertilize a Lawn? (2026) - HomeGuide - https://homeguide.com/costs/lawn-fertilizer-service-cost ↩ ↩2
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How Much Does TruGreen Cost? (2026) - HomeGuide - https://homeguide.com/costs/trugreen-cost ↩