Pest & Problem Finder
Select your state and the pest to see signs, organic-first, and chemical options.
Aphids
What the inputs mean
Choose your state to surface the pests that are actually listed as priority problems there, then choose the pest. The output is organized as signs first, then organic-first controls, then conventional options, so you can identify before you treat.
How to act on the answer
Start at the signs and confirm the identification before reading the controls — the failure mode of pest management is treating the wrong organism. The organic-first list is ordered by effort and risk rather than by strength, so work down it and stop when the population is back under control. If you reach the chemical options, read the label for the crop you are treating, not just for the pest.
What this tool cannot know
It is a regional reference rather than a diagnosis, and it cannot confirm what you are looking at. Product availability, pollinator protections, and local restrictions differ by state and even by municipality, and the label on the container is the only version of the instruction that governs your use.
Where it fits in the season
A calculator is only as good as the location data behind it, so two other pages usually belong in the same session. The ZIP lookup establishes your zone and typical frost dates, which is the baseline that pest & problem finder is reasoning from, and the monthly zone checklists turn the same baseline into an ordered set of jobs for the current month. If you are working from a specific planting plan rather than a blank bed, the garden plan templates carry published spacing and crop lists you can feed straight into the planner.
Everything on this page runs in your browser from data shipped with the site. There is no account, nothing is uploaded, and the numbers you type are not stored on a server — which also means a printed sheet or a screenshot is the only copy you will have if you close the page. See all garden tools →
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