LoneStarMapMaps & Seasons
Tick Season by State: When Lone Star Ticks Are Most Active
When are Lone Star ticks most active? A general guide to peak tick season by region, plus how to plan outdoor activities around it.
Maps & Seasons 6 min read Updated 2026-06-01Educational — not medical advice
Medical disclaimer. LoneStarMap is an educational resource. This article is not medical advice and is not a substitute for diagnosis or treatment by a licensed healthcare professional. If you're having a severe reaction, call 911. For symptoms or questions, contact your doctor or an allergist.
Lone Star tick activity is driven by temperature, humidity, and life-cycle stage. In general, peak activity runs from spring through fall, with warmer southern regions seeing longer or year-round activity. Use this guide as a starting point and check your state page for specifics.
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General regional patterns
- Deep South (FL, GA, AL, MS, LA, southern TX): activity can extend year-round, peaking spring–fall.
- Southeast and Mid-South (NC, SC, TN, KY, VA, AR): March–October.
- Central plains and Ozarks (MO, KS, OK, northern TX): April–October.
- Mid-Atlantic and Northeast (NJ, NY, PA, CT): May–September, expanding in some counties.
- Midwest (OH, IN, IL, MI, WI): May–September, emerging in some counties.
Within a season
- Adult activity often peaks early in the season.
- Nymph activity (smaller, harder to spot) often peaks in early summer.
- Larvae ('seed ticks') often peak in late summer.
Planning outdoor activities
- Treat clothing with permethrin before the season starts.
- Schedule tick checks into peak-season routines — after every hike, hunt, round of golf, or yard work.
- Pay extra attention during humid, warm stretches.
Key takeaways
- Peak Lone Star tick season is generally spring through fall, longer in the South.
- Different life stages peak at different times within a season.
- Building peak-season habits beats trying to remember in the moment.
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Reminder: this article is general education. Symptoms, diagnosis, and treatment for tick-borne conditions and alpha-gal syndrome should always be handled by a licensed medical professional. Review our sources and disclaimer.