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Seattle’s winters are famous for being wet rather than bitterly cold, and that seasonal mildness has a clear consequence beyond gray skies and rain boots: many common pests never get the long, hard freeze they need to die back or enter true, prolonged dormancy. The city’s Pacific maritime climate—with average winter temperatures generally staying above…

The Pacific Northwest’s temperate, wet climate—long, rainy autumns and winters, frequent coastal fog, and humid summers in many inland valleys—creates conditions that are unusually favorable to an array of moisture-loving pests. From dampwood termites and carpenter ants to silverfish, cockroaches, centipedes, sowbugs and fungus gnats, many of the species that cause the biggest problems in…

Spring in Seattle brings budding trees, milder days, and — unfortunately — the start of another pest season. The region’s cool, wet winters and early-spring rains create ideal conditions for many insects and rodents to emerge from overwintering sites and begin foraging or nesting. For homeowners, that means now is the time to move from…

As Seattle residents scan seasonal forecasts and plan for the months ahead, one of the biggest climate questions—La Niña or El Niño—carries more than just holiday-weather implications. The El Niño–Southern Oscillation (ENSO) shapes broad winter patterns across the Pacific Ocean, nudging temperatures and precipitation in ways that cascade into local ecosystems and urban environments. For…

January and February are quietly among the most important months for rodent control in Seattle. The city’s Pacific Northwest climate—mild but persistently wet through the winter—creates two powerful pressures that drive rats and mice into closer contact with people: dwindling outdoor food and shelter, and frequent storms and saturated ground that destroy burrows and make…

Seattle’s rainy season has long been a defining feature of the city’s character — misty mornings, saturated soils, and the evergreen landscape at its most vivid. But that steady, seasonal dampness does more than paint the town a deeper green: it fundamentally changes the behavior and population dynamics of a wide range of pests. From…

Can you have effective pest control without using any chemicals at all? It’s a question that draws strong opinions—and for good reason. Concerns about human health, pets, pollinators, soil and water quality, and pesticide resistance have driven homeowners, schools, organic farmers and municipalities to explore non‑chemical strategies. At the same time, the idea of abandoning…

Pest pressure—the frequency and severity of pest activity around your home—affects comfort, health, and the integrity of your property. Ants, rodents, mosquitoes, ticks, termites and cockroaches don’t appear out of nowhere; their numbers and behavior are heavily influenced by the conditions you create outside. Thoughtful landscaping can dramatically reduce the attractiveness of your yard to…

Walk into any health-food store or scroll through an online marketplace and you’ll find shelves full of “natural” insect repellents and sprays promising to keep mosquitoes, ticks, ants and pantry pests away — all made with essential oils. The idea is appealing: fragrant plant extracts instead of synthetic chemicals. But the reality is mixed. Some…

A healthy garden is a miniature ecosystem: plants, soil, insects, birds and other wildlife interact in ways that produce flowers, fruit and the quiet satisfaction gardeners crave. Among those creatures, pollinators — bees, butterflies, hoverflies, moths and others — are especially important. They are responsible for the reproduction of many vegetables, fruits and ornamentals, and…