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Puget Sound Region
In-depth profiles, disease diagnostics, spray windows, and care schedules calibrated to this climate, this soil, and this growing season.
Featured Guide
In July 2025, a private arborist in Portland noticed stress symptoms on a green ash near a swimming pool parking lot.The crown was thinning from the top.
Your hydrangea will not bloom, or it scorched in the heat, or you cannot tell the nursery benches apart. Here is how to match hydrangea species and cultivar to the site you actually have in the Puget Sound lowlands.
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Native groundcovers provide ecological function, reduce maintenance needs, and create resilient landscape solutions for Western Washington gardens.
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You cut into an apple from your backyard tree and find a brown, frass-filled tunnel running straight to the core.
Read more →Seasonal scouting notes, spray timing updates, and the regional detail that national guides leave out. Written for Western Washington gardeners and landscape professionals.
Seasonal scouting notes, timing updates, and the regional detail that national guides leave out. Delivered when it matters.
Species selection, siting, and care for this climate.
Identification, timing, and management grounded in regional extension data.
Scouting, thresholds, and IPM for the pests that actually matter here.
A growing dataset of plants, diseases, and pests tracked for this region. Profiles deepen continuously as site data, phenology, GDD timing, and cultivar performance are verified from extension research and field observation.
Written by Chris Welch. Every recommendation on this site comes from someone who works with these plants in this climate, not a content team repackaging national data.
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