Logo of Landscape Atlas
Hero background

Find the Best Lawn Fertilization & Weed Control for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Top Lawn Fertilization & Weed Control in Irvine, California Ranked

Maintaining a vibrant, healthy lawn in Irvine requires a specialized approach to feeding and protection. Lawn fertilization and weed control are essential services that provide your grass with the nutrients it needs to thrive in our climate while defending it against invasive weeds. A tailored program can transform your yard, promoting deep root growth and lush, green turf that is more resilient to heat, drought, and foot traffic. This guide will help you understand the local approach to lawn nutrition and weed management, so you can find the right professional plan for your property.

Lawnscape Systems, Inc.

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.

4.9
190 Reviews
Excellence landscaping and Maintenance

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.

5.0
35 Reviews
Heavenly's Lawn Care

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.

4.8
86 Reviews
CG Tree & Landscape Inc.

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.

4.7
41 Reviews
TruGreen Lawn Care

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.

4.4
197 Reviews
See more providers in Irvine, CA

Understanding Irvine's Lawn Environment

Irvine's climate and soil present unique challenges for lawn care. The city enjoys a warm, Mediterranean climate ideal for warm-season grasses like Bermuda and St. Augustine, which are common in local landscapes 1. These grasses have their peak growing season during the late spring and summer, which dictates the optimal timing for feeding and maintenance.

The soil in Southern California, including Irvine, tends to be alkaline 2. This higher pH can lock away essential nutrients, making them less available to grass roots even after fertilizer is applied. A professional lawn care service will often begin with a soil analysis to understand these conditions. They may recommend specific soil amendments to adjust the pH, ensuring your lawn can actually absorb the nutrients provided during a fertilization treatment 2 3.

The Professional Year-Round Program

For consistent results, local experts recommend a year-round lawn care schedule consisting of 4 to 6 seasonal treatments 1 4. This cyclical approach addresses the changing needs of your grass throughout the year, combining fertilization with targeted weed control.

Early Spring (March/April)

This visit kicks off the growing season. A balanced fertilizer application provides the initial nutrients to wake your lawn from winter dormancy and encourage green-up. Crucially, this treatment includes a pre-emergent herbicide to create a barrier in the soil that prevents crabgrass and other common weed seeds from germinating 1 5 4.

Late Spring (May/June)

As temperatures rise, so does weed growth. A "weed and feed" treatment is common, combining a fertilizer to fuel growth with a post-emergent herbicide to tackle visible broadleaf weeds like dandelions and clover 1 4. This helps your lawn establish a thick canopy to crowd out future weeds.

Summer (July/August)

The focus shifts to helping your lawn withstand the heat. Nutrient management is key, often with a lighter fertilizer that supports health without forcing excessive growth. Spot weed control is used for any summer annual weeds that appear, and the program may include guidance on proper moisture management to prevent stress 1 4 6.

Fall (September/October)

This is one of the most important treatments for long-term lawn health. A "winterizer" fertilizer is applied, which is typically high in potassium. This nutrient strengthens grass roots, improving drought tolerance and disease resistance for the coming year 1 4 6. Targeted weed control is also performed to eliminate weeds before they can set seed.

Find the perfect lawn fertilization & weed control for your needs

Get personalized recommendations and expert advice

Key Components of Effective Lawn Care

A comprehensive lawn feeding and protection plan involves more than just spreading granules. Understanding the tools and strategies professionals use can help you evaluate services.

Pre-Emergent vs. Post-Emergent Weed Control These are the two pillars of weed management. Pre-emergent herbicides are applied before weed seeds sprout, forming a barrier at the soil surface. Timing is critical-for warm-season grasses, fall applications target winter weeds, while spring applications target summer weeds 2 5. Post-emergent herbicides are used on weeds you can already see. They are absorbed through the leaves, with most weeds showing decline within 10 to 14 days, though stubborn varieties may require multiple applications 2 3.

Tailored Fertilization Blends Not all fertilizer is the same. Professionals select blends based on the season and your lawn's specific needs, as indicated by a soil test. The right balance of nitrogen (for green leaf growth), phosphorus (for root development), and potassium (for overall hardiness) is essential. In Irvine, formulations may also include iron to enhance green color without excessive growth, which is especially useful in alkaline soils 1 2.

Soil Health Management Beyond just feeding the grass, the best programs feed the soil. Amendments like gypsum or sulfur can be used over time to gently correct alkaline pH levels, unlocking nutrients and improving water penetration 2 3. Healthy soil supports robust microbial life, which helps break down thatch and makes your lawn more self-sustaining.

What to Expect: Results and Investment

When you start a professional lawn nutrition and weed suppression program, you can expect to see improvements in stages. Visible weeds treated with post-emergent products will typically wilt and die within a couple of weeks 2. The overall health and color of your lawn, however, is a longer-term project. You may notice greener grass after the first fertilization, but building a thick, dense, and resilient turf that naturally resists weeds and drought can take a full season or more of consistent care 1.

The cost for these services in Irvine varies based on the size of your yard, the condition of your grass, and the comprehensiveness of the program. Many companies offer per-visit pricing or annual plans.

  • Per-Visit Cost: A single application of fertilizer and weed control typically ranges from $50 to $100 or more 7 8.
  • Annual Program Cost: A full-season plan (4-6 visits) for core fertilization and weed control often falls between $300 and $600 annually, though this can be higher for larger properties or more intensive care packages 1 7 9 10.

Investing in a structured program is often more cost-effective than one-off treatments and provides the systematic care needed for a truly healthy lawn.

Choosing a Service for Your Irvine Home

When looking for lawn feeding and weed management help, seek out providers with experience in Southern California's specific conditions. They should be able to explain their approach to Irvine's alkaline soil and their treatment schedule for warm-season grasses. Ask if they provide a soil test as part of their initial assessment and what their strategy is for both preventing and eliminating weeds. A reputable service will be transparent about the products they use and the expected timeline for results, setting realistic expectations for your lawn's transformation.

Frequently asked questions

Sources

Footnotes

  1. Lawn Fertilization & Weed Control in Southern California - https://www.lawnscape.com/lawn-care-services/fertilization-weed-control/ 2 3 4 5 6 7 8 9

  2. Affordable Lawn Care Plans & Pricing Options - TruGreen - https://www.trugreen.com/products-and-services 2 3 4 5 6 7

  3. Southern California Lawn Care Calendar | Month-by-Month Plan - https://www.landtechscenery.com/southern-california-lawn-care-calendar 2 3

  4. Fertilization & Weed Control: A Combined Approach - https://www.lawnscape.com/blog/2025/october/fertilization-weed-control-a-combined-approach/ 2 3 4 5

  5. Seasonal Lawn Care Maintenance and Treatment Schedule - https://www.trugreen.com/lawn-care-101/blog/trugreen-lawn-care-services/lawn-maintenance-checklist 2

  6. What Can You Expect From Our 6-Treatment Lawn Care Program? - Brooklawn Services - https://brooklawnservices.com/what-can-you-expect-from-our-6-treatment-lawn-care-program/ 2

  7. How Much Do Most Lawn Care Companies Charge in 2025 - https://www.thickgreenhealthy.com/how-much-do-lawn-care-companies-charge/ 2

  8. Lawn Care Pricing Chart: Your Guide to Fair Lawn Service Costs - https://invoicefly.com/academy/lawn-care-pricing-chart/

  9. Average cost for weed and fertilizer treatments on a residential ... - https://www.facebook.com/groups/305770469602511/posts/2899885820190950/

  10. How much does lawn care service cost? - Green Lawn Fertilizing - https://www.greenlawnfertilizing.com/blog/how-much-does-lawn-care-service-cost