California Invasive Plant Council

California Invasive Plant Council Cal-IPC's mission is to protect California's lands and waters from ecologically-damaging invasive plants through science, education, and policy.

Over the past 30 years, Cal-IPC has supported the needs of natural resource managers and researchers by addressing policy, science, and education related to invasive plants. We train professional and volunteer land stewards, sharing education through:
• The annual Cal-IPC Symposium .
• Training courses
• Publications - Don’t Plant a Pest brochures, a quarterly newsletter, books,

and the California Invasive Plant Inventory. The Inventory is recognized the definitive list of invasive plants throughout the state. We design science-based tools:
• Risk mapping – collects critical data on the current distribution of each invasive plant species in the state, and predicts vulnerability to future spread using climatic modeling tools.
• Research - distribution and impact reports, detailed maps of selected invasive plants
• California Horticultural Invasives Prevention (Cal-HIP) partnership – We provide the scientific foundation for this state and national partnership with the horticultural community. We advocate for sound public policy and funding:
• Invasive W**ds Awareness Day at the Capitol – An annual advocacy day in Sacramento where teams of natural resource managers visit the offices of all 120 state legislators.
• California Invasive Species Advisory Committee – Created by the Invasive Species Council of California to provide advice and develop recommendations.
• National advocacy coordination – Cal-IPC, on behalf of the National Association of Exotic Pest Plant Councils, led a national campaign encouraging natural resource managers to comment on USDA’s proposed improvements to plant import regulations.

*Social Media Guidelines*
Cal-IPC is dedicated to protecting California’s environment and economy from invasive plants. Our projects are informed by the best scientific knowledge available, from experts across the state. We encourage discussion, information-sharing, and collaboration to protect our state’s wildlands. In that spirit, we strive to keep our social media platforms free from unprofessional behavior or misinformation. Please note that the following will not be accepted: abusive language, harmful remarks, bullying, or willfully disseminating “bad science” (defined as well-intentioned but incorrect, obsolete, incomplete, or over-simplified expositions of scientific ideas). In the interest of healthy discussion, we will try to address any inaccuracies or misunderstanding. However, comments that are deemed inappropriate will be deleted. Repeat offenders may be blocked, at the discretion of the Cal-IPC social media team. Thank you for joining the Cal-IPC community. Let’s work together to protect California!

Thank you SERCAL for hosting an awesome conference last month. Lots of great talks and conversations. Cal-IPC Board memb...
06/16/2026

Thank you SERCAL for hosting an awesome conference last month. Lots of great talks and conversations. Cal-IPC Board members Michelle Daneri and Justin Valliere were in attendance tabling for Cal-IPC. We appreciate the opportunity and look forward to the next one!

Last call for abstracts! Share your work with colleagues! We welcome presentations on all aspects of invasive plant biol...
06/12/2026

Last call for abstracts! Share your work with colleagues! We welcome presentations on all aspects of invasive plant biology and management. You can make an oral presentation, give a brief lightning talk, or be part of the digital poster session!

Submit by June 15th at https://www.cal-ipc.org/resources/symposium/presenters/

We’re sad to share that Jake Sigg, friend, conservation icon, and founding member of Cal-IPC passed away yesterday morni...
06/11/2026

We’re sad to share that Jake Sigg, friend, conservation icon, and founding member of Cal-IPC passed away yesterday morning at 99 years old after a long and inspiring life. Jake was a passionate advocate for native plants, biodiversity, and ecological restoration. After moving to San Francisco in 1950, he worked as a city gardener for more than 30 years. Later he became a full-time advocate for restoring local native plant habitat and preserving biodiversity.

Let us celebrate him and all that he has done for stewardship in California!

2026 W**d Day at UC Davis is coming up on 6/18! Time is running out to register and all spots are nearly full. This annu...
06/11/2026

2026 W**d Day at UC Davis is coming up on 6/18! Time is running out to register and all spots are nearly full. This annual event is a great networking opportunity and imparts the latest research in w**d science through field trips and in-person presentations.

Register by 6/12 at https://registration.ucdavis.edu/Item/Details/1393

Image description: A diverse team of w**d science experts and stakeholders inspecting plant growth and soil conditions at a field site.

This week is California Invasive Species Action Week! Sign up for the free lunchtime talks to hear about invasive plants...
06/10/2026

This week is California Invasive Species Action Week! Sign up for the free lunchtime talks to hear about invasive plants and animals in the state, the different ways they’re being studied and managed, and how you can get involved. This Friday 6/12, Cal-IPC’s Conservation Specialist, Constance Taylor will be talking about invasive plant management strategies for beginners.

Tune in at https://ucanr.edu/site/invasive-species-action-week-lunchtime-talks/2026-cisaw-lunchtime-talks

Image Description: With two pulaski, a shovel, and plenty of sweat, three people (including the photographer) remove a massive clump of pampas grass!

Hiking is a great way to explore nature, but did you know invasive species can hitchhike on your boots, clothing, and ge...
06/06/2026

Hiking is a great way to explore nature, but did you know invasive species can hitchhike on your boots, clothing, and gear? Seeds, mud, and plant fragments can travel from trail to trail without us even noticing. Before and after your next hike, take a few moments to brush off your boots, clean your gear, and remove any mud or debris. These simple actions help protect forests, grasslands, wetlands, and trails from the spread of invasive species. For more info, visit https://playcleango.org/.

🥾Clean your boots
🎒Check your gear
🌿Protect the places you love

Cal-IPC's Climate Match Tool has been updated! Compare climates across the globe to see whether a plant grows in conditi...
06/04/2026

Cal-IPC's Climate Match Tool has been updated! Compare climates across the globe to see whether a plant grows in conditions similar to your region. The tool helps predict whether a plant is likely to establish and become invasive in new areas. Now with updated precipitation, plant hardiness, and ecozone data as well as the ability to select any region across North America.

Check out the tool here: https://w**dmap.cal-ipc.org/climatematch/

California Invasive Species Action Week is coming up June 6-14, 2026. This week-long event is put on by the CA Departmen...
06/02/2026

California Invasive Species Action Week is coming up June 6-14, 2026. This week-long event is put on by the CA Department of Fish and Wildlife to promote awareness of invasive species in the state and support public involvement in invasive species management.

The schedule of events and lunchtime webinars is already available. For more info, visit https://wildlife.ca.gov/Conservation/Invasives/Action-Week

Teamwork makes the dream work! With funding from USFS and in partnership with the El Dorado County Agricultural Commissi...
05/28/2026

Teamwork makes the dream work! With funding from USFS and in partnership with the El Dorado County Agricultural Commissioner, Cal-IPC is coordinating the continued control of invasive yellow star thistle on the El Dorado County Fairgrounds, which is used as an Incident Command Post for large fires in the region. W**d control is essential in staging areas such as these to prevent propagules from hitchhiking on personnel and equipment into natural areas.

This photo shows the fairgrounds being used as a base camp for Caldor Fire operations in August 2021.

Join the Cal-IPC team and help us support land managers protecting California’s environment and economy from invasive pl...
05/25/2026

Join the Cal-IPC team and help us support land managers protecting California’s environment and economy from invasive plants!

Position: Development Manager
Location: Remote from home office (in CA)
Compensation: $36-$48/hour, commensurate with experience

The Development Manager oversees our donor fundraising campaigns and legacy giving efforts. The manager leads on annual fundraising efforts, cultivates and stewards donors in partnership with the Executive Director and Board of Directors, and works in coordination with fellow staff members on print and digital communications directly and indirectly related to fundraising.

Applications will be reviewed on an ongoing basis until the position is filled. For more information on how to apply, visit

Work with Cal-IPC Photo: Frank Quon Are you passionate about protecting nature, coordinating projects and building community? Do you understand the importance of actively stewarding natural areas and want to create positive environmental change in the world? Cal-IPC is looking for a dynamic new team...

Address

Berkeley, CA

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+15108433902

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