Foxtail Season Is Coming: Here’s What Every Nevada Dog Owner Needs to Know
Spring in Nevada is beautiful. The desert gets a rare flush of green, trails come back to life, and if you’re like most dog owners, you’re eager to get back outside with your pup after a quieter winter.
But tucked into that spring greenery is one of the most underestimated hazards your dog will face all year: foxtail grass. If you’ve never heard of it, now is exactly the right time to learn.
What Is Foxtail Grass?
Foxtail is the common name for several varieties of wild grass found across Nevada along hiking trails, roadsides, vacant lots, and even suburban parks.
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In spring, it looks harmless enough: tall, feathery green blades waving in the breeze. The problem isn’t the green plant — it’s what happens when it dies.
As temperatures rise through late spring and into summer, foxtail dries out and produces seed heads with stiff, backward-facing barbs that are designed by nature to travel in one direction only: forward.
They don’t work their way back out.
When your dog runs through a dry foxtail field, those seed heads hitch a ride and can burrow into paws, ears, eyes, nostrils, and skin. Sometimes working so deep they require surgery to remove.
The Nevada Season Timeline
Right now in April, grasses are green and growing but seed heads haven’t formed yet, so the risk is still low. This is the ideal time to learn what foxtail looks like and start paying attention on your regular routes.
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Through May and into June the plants grow tall and lush, and toward the end of that stretch the first plants start drying out and seed heads begin to form. Risk starts to climb.
July and August are the window you really need to watch out for. Grasses are fully dry, seed heads are detached and mobile, and a single romp through a field can send your dog to the vet.
By September and October the risk decreases as plants break down, but dried foxtails can linger in sheltered spots. It’s worth staying vigilant until the first rains arrive.
Where to Watch Out in Nevada
Foxtail thrives in disturbed, dry soil, which means it’s extremely common across the state.
It grows along desert hiking trails throughout the Las Vegas Valley, Henderson, and the Reno-Sparks area, along undeveloped lots, road margins, and the grassy edges of paved trails.
If you hike Red Rock Canyon, Lake Mead trails, or anywhere in the foothills around Reno, you will encounter foxtail. It’s not a matter of if — it’s a matter of when and whether you’re ready.
What to Do Right Now
Since we’re still in the green season, your job this month is simple: get familiar with what you’re dealing with. Look up images of foxtail grass in both its green and dried forms so you can recognize it on your walks.
Start building a habit of checking your dog after every outdoor outing, running your hands through their coat, checking between the toes, and looking inside the ears. Making it routine now means it’ll be second nature by the time it actually matters in July.
Signs a Foxtail Has Already Embedded
Watch for sudden intense licking or chewing at a paw or a specific spot on the body, head shaking or pawing at an ear, swelling, or a small wound that isn’t healing. Sneezing fits that won’t stop and squinting or discharge from one eye are also red flags.
A foxtail in the nostril or eye is a veterinary emergency.
If you suspect one has embedded anywhere, especially near the ears, eyes, or nose, don’t wait it out, because the longer they travel, the harder and more expensive they are to remove.