Aphid Control in Sonoma County, CA

Effective & Eco-Friendly Aphid Management Solutions

For more than eighty years, California Exterminators Alliance has helped Sonoma County homeowners, farmers, and businesses protect their plants from destructive aphid infestations. As California’s first licensed pest control company, we combine deep-rooted local knowledge with modern, environmentally responsible methods. Our process goes beyond quick treatments — we focus on restoring plant health, preventing future outbreaks, and preserving the natural balance of our region’s landscapes. Whether your property features backyard gardens, commercial vineyards, or ornamental trees, we customize our services to fit your needs and the specific microclimates found throughout Sonoma County.

Need aphid control in Sonoma County? Call California Exterminators Alliance at (707) 415-2919 or send us a message online today!

Understanding Aphid Problems in Sonoma County

Aphids may be tiny, but they can quickly overwhelm plants. These pests feed by piercing plant tissues and extracting sap, which weakens growth and distorts leaves. In Sonoma County, their activity peaks in spring and early summer, when mild weather accelerates reproduction. Left unchecked, an infestation can lead to reduced fruit yields, stunted ornamentals, and the spread of plant viruses.

Adding to the damage, aphids produce honeydew, a sticky residue that coats leaves and branches. This sugary substance attracts ants and encourages the growth of sooty mold, which further stresses plants by blocking sunlight. From the vineyards in Healdsburg to backyard rose gardens in Santa Rosa, aphid infestations can appear anywhere and spread quickly without intervention.

Our Approach to Aphid Control

We use an Integrated Pest Management (IPM) strategy designed for long-term results. Every property is different, so we start with a thorough inspection to identify the aphid species and assess the scope of the problem. We then combine multiple control methods to reduce populations while protecting beneficial insects like ladybugs and lacewings.

Our treatments may include:

• Biological controls – Encouraging or introducing natural predators to target aphids without chemicals.
• Horticultural oils and soaps – Smothering pests while minimizing harm to surrounding plants and pollinators.
• Botanical treatments – Using plant-derived products to deter aphid activity.
• Cultural adjustments – Recommending pruning, irrigation changes, and planting strategies that make your property less appealing to aphids.

Each service plan is tailored to your property, ensuring the right balance between effectiveness and environmental responsibility.

Protecting Agriculture and Landscapes

Aphid control plays an important role in maintaining Sonoma County’s agricultural output. Vineyards, orchards, and specialty farms face significant risks when aphid populations rise. Our team works closely with local growers to address problems early, reduce reliance on broad-spectrum pesticides, and protect crop quality.

For homeowners, we focus on preserving the beauty and health of ornamental gardens, shrubs, and trees. Healthy plants not only improve curb appeal but also resist pests more effectively over time.

Year-Round Prevention

Because aphids can reproduce rapidly, especially during mild winters, ongoing monitoring is key. We offer year-round service plans that include seasonal inspections, preventative treatments, and recommendations for maintaining plant health. By catching early signs of activity, we help property owners avoid major outbreaks and the costly damage that can follow.