What can I do?, Non-native Plants of Sequoia and Kings Canyon National Parks

Non-native Plant Management, Sequoia and Kings Canyon National Parks

What can I do?

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Non-native plants are transported to new lands by humans. Therefore the most important way to combat the problem of non-native plants is to be sure you are not dispersing them. Many of these plants produce seeds that cling with amazing tenacity to shoes, clothes, car tires, pets etc.

Learn the most invasive plants in Sequoia and Kings Canyon National Parks. Call us with your observation or ask for an Exotic Plant Observation Card at any of our visitor centers. Remember, never pick or pull any plants in the park; contact us and we will handle the control efforts (this is true for plants on all public lands).

Vehicles often disperse non-native plants. Therefore it is important to wash vehicles, tires, and vehicle undercarriages before entering the Park.


Shoes are a common transporter of non-native plant seeds. A vinyl gator, the type commonly used for cross-country skiing, keeps most seeds at bay. © NPS photos by Athena Demetry.

If you use pack animals, we recommend bringing only certified weed-free feed into the parks. Please maintain this diet for your animals four days prior to entering the parks as well. Thoroughly brush all pack animals and clean their hooves and gear before transporting them to the parks.

If you’re backpacking into the wilderness, be extra vigilant about cleaning your boots and gear at home or at the trailhead before you begin hiking.

Do not camp in or hike through weed-infested areas. Please be sure to stay on designated trails and roads. Clean your gear, clothes, vehicles and tires between outings and camping trips. Please ensure that all seeds are safely disposed of in the trash.

Non-native plants can disperse widely and quickly. Therefore even if you do not live in a natural area, it is important not to cultivate invasive non-native plants around your home. Also, do not pick flowers or plants in natural areas. Many wildflowers are actually invasive weeds, and a handpicked bouquet may transport seeds to a new area.

For identification and information on non-native plants in your area, contact your local county/university extension office, nature centers or garden clubs. Nature centers and land trusts often organize weed-eradication projects, and these are excellent opportunities to learn about the biology and eradication of non-native plants.

Spread the word about non-native plant invasions. Prevention is our most powerful tool, and by following a few simple conventions we can ensure the preservation and health of our natural lands.

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