Cal-IPC
@cal-ipc.bsky.social
Cal-IPC works to protect California's environment and economy from the spread of invasive plants
Don't forget to vote for your favorite photo in this year's Annual Photo Contest. The deadline is coming up fast on Thursday, November 13th at midnight!
Vote here: www.cal-ipc.org/resources/s...
Vote here: www.cal-ipc.org/resources/s...
November 11, 2025 at 10:08 PM
Don't forget to vote for your favorite photo in this year's Annual Photo Contest. The deadline is coming up fast on Thursday, November 13th at midnight!
Vote here: www.cal-ipc.org/resources/s...
Vote here: www.cal-ipc.org/resources/s...
Don't miss out on the 2025 Cal-IPC symposium this year! Last day for online registration is Monday, November 10th, at 5pm. Listen in on the WMA meeting, Laws and Regs, and oral presentations. DPR credits offered. Register now: www.cal-ipc.org/resources/s...
November 8, 2025 at 9:46 PM
Don't miss out on the 2025 Cal-IPC symposium this year! Last day for online registration is Monday, November 10th, at 5pm. Listen in on the WMA meeting, Laws and Regs, and oral presentations. DPR credits offered. Register now: www.cal-ipc.org/resources/s...
Cal-IPC had the opportunity to showcase two projects at the NAISMA conference this week: WeedCUT and the development of a PRE network with other western states. A great opportunity to connect with other land managers at a national level. Learn more about NAISMA here: bit.ly/43j1v2S
November 6, 2025 at 9:04 PM
Cal-IPC had the opportunity to showcase two projects at the NAISMA conference this week: WeedCUT and the development of a PRE network with other western states. A great opportunity to connect with other land managers at a national level. Learn more about NAISMA here: bit.ly/43j1v2S
Check out “Flowers for Vera” in CNPS's fall issue of Flora. The 12-acres that make up Vera’s Sanctuary, a residential rehab program for survivors of sex trafficking, was converted to native plants. The final garden was completed in March 2025. Read more: bit.ly/3LFLq0Y
November 3, 2025 at 6:15 PM
Check out “Flowers for Vera” in CNPS's fall issue of Flora. The 12-acres that make up Vera’s Sanctuary, a residential rehab program for survivors of sex trafficking, was converted to native plants. The final garden was completed in March 2025. Read more: bit.ly/3LFLq0Y
Hurray for all the Nature Reserve of Orange County (NROC) land managers! The Natural Communities Coalition and OC Parks have hired Cal-IPC to help update management plans that will include an updated list of land manager partners…and weeds. Learn more about NROC at occonservation.org/
September 23, 2025 at 5:35 PM
Hurray for all the Nature Reserve of Orange County (NROC) land managers! The Natural Communities Coalition and OC Parks have hired Cal-IPC to help update management plans that will include an updated list of land manager partners…and weeds. Learn more about NROC at occonservation.org/
Amazing work by the Sugar Pine Foundation to preserve pine trees around Lake Tahoe currently threatened by invasive white pine blister rust. The Foundation finds resistant trees, grows their seeds, and plants them back out to improve forest resilience. Learn more at sugarpinefoundation.org/.
September 18, 2025 at 5:46 PM
Amazing work by the Sugar Pine Foundation to preserve pine trees around Lake Tahoe currently threatened by invasive white pine blister rust. The Foundation finds resistant trees, grows their seeds, and plants them back out to improve forest resilience. Learn more at sugarpinefoundation.org/.
𝐀 𝐟𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐫𝐞𝐦𝐢𝐧𝐝𝐞𝐫 𝐭𝐡𝐚𝐭 𝐨𝐮𝐫 𝐂𝐚𝐥-𝐈𝐏𝐂 𝟐𝟎𝟐𝟓 𝐩𝐡𝐨𝐭𝐨 𝐜𝐨𝐧𝐭𝐞𝐬𝐭 𝐢𝐬 𝐜𝐥𝐨𝐬𝐢𝐧𝐠 𝐚𝐭 𝟏𝟏:𝟓𝟗𝐩𝐦 𝐭𝐨𝐦𝐨𝐫𝐫𝐨𝐰, 𝐒𝐞𝐩 𝟏𝟓. It's not too late to submit, so enter your photo at the link below to join in the fun!
www.cal-ipc.org/resources/s...
www.cal-ipc.org/resources/s...
September 14, 2025 at 7:08 PM
𝐀 𝐟𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐫𝐞𝐦𝐢𝐧𝐝𝐞𝐫 𝐭𝐡𝐚𝐭 𝐨𝐮𝐫 𝐂𝐚𝐥-𝐈𝐏𝐂 𝟐𝟎𝟐𝟓 𝐩𝐡𝐨𝐭𝐨 𝐜𝐨𝐧𝐭𝐞𝐬𝐭 𝐢𝐬 𝐜𝐥𝐨𝐬𝐢𝐧𝐠 𝐚𝐭 𝟏𝟏:𝟓𝟗𝐩𝐦 𝐭𝐨𝐦𝐨𝐫𝐫𝐨𝐰, 𝐒𝐞𝐩 𝟏𝟓. It's not too late to submit, so enter your photo at the link below to join in the fun!
www.cal-ipc.org/resources/s...
www.cal-ipc.org/resources/s...
Shout out to the Ventura Land Trust as they protect, restore, and connect the community to nearly 4,000 acres in Ventura County! Their small but mighty team manages invasive species, converts trail edges to native habitat, and surveys for EDRR species.
www.venturalandtrust.org/
www.venturalandtrust.org/
September 11, 2025 at 4:31 PM
Shout out to the Ventura Land Trust as they protect, restore, and connect the community to nearly 4,000 acres in Ventura County! Their small but mighty team manages invasive species, converts trail edges to native habitat, and surveys for EDRR species.
www.venturalandtrust.org/
www.venturalandtrust.org/
Research shows that cheatgrass affects mule deer habitat selection in Wyoming, and it’s no surprise that they prefer native sagebrush to cheatgrass. Strategic management can help mule deer to persist in areas threatened by invasive grasses!
Read more here: bit.ly/4geNKYj
Read more here: bit.ly/4geNKYj
September 8, 2025 at 8:54 PM
Research shows that cheatgrass affects mule deer habitat selection in Wyoming, and it’s no surprise that they prefer native sagebrush to cheatgrass. Strategic management can help mule deer to persist in areas threatened by invasive grasses!
Read more here: bit.ly/4geNKYj
Read more here: bit.ly/4geNKYj
Biodiversity Week is coming up September 6-14 when we bring awareness to California’s remarkable flora and fauna. So, join in on the celebration by getting outside and documenting the species in your area!
Learn more and find events here: https://bit.ly/4p03Ngv
Learn more and find events here: https://bit.ly/4p03Ngv
September 5, 2025 at 6:56 PM
Biodiversity Week is coming up September 6-14 when we bring awareness to California’s remarkable flora and fauna. So, join in on the celebration by getting outside and documenting the species in your area!
Learn more and find events here: https://bit.ly/4p03Ngv
Learn more and find events here: https://bit.ly/4p03Ngv
We’ve noticed that many of our members seem to have hidden artistic talents and we're curious to learn about others’ creative endeavors. Comment below on how the natural world and invasive plants inspire your artwork!
See more of Zoe’s art here: bit.ly/45NFz1B
See more of Zoe’s art here: bit.ly/45NFz1B
September 3, 2025 at 8:51 PM
We’ve noticed that many of our members seem to have hidden artistic talents and we're curious to learn about others’ creative endeavors. Comment below on how the natural world and invasive plants inspire your artwork!
See more of Zoe’s art here: bit.ly/45NFz1B
See more of Zoe’s art here: bit.ly/45NFz1B
A recent NYT article highlights a silver lining following the devastating Palisades fire. Species are resilient, but they face considerable challenges as fire regimes become more extreme, including pressure from invasive species. Read the full article here nyti.ms/4mDgcoZ
August 29, 2025 at 6:18 PM
A recent NYT article highlights a silver lining following the devastating Palisades fire. Species are resilient, but they face considerable challenges as fire regimes become more extreme, including pressure from invasive species. Read the full article here nyti.ms/4mDgcoZ
Did you know that native oysters are being recruited to form "living shorelines" to protect coastal areas? Living shoreline projects aim to reduce shoreline erosion and protect marsh habitat by using natural materials. Learn about some local projects here: bit.ly/4fTerBz
August 26, 2025 at 4:33 PM
Did you know that native oysters are being recruited to form "living shorelines" to protect coastal areas? Living shoreline projects aim to reduce shoreline erosion and protect marsh habitat by using natural materials. Learn about some local projects here: bit.ly/4fTerBz
Don't forget to register for the 2025 Cal-IPC Symposium. Attend in Ventura or online from Nov. 12-15. Join us for another dynamic gathering of CA land managers to network, learn, and celebrate our hard work!
🦆 Early bird rates end August 25th.
Register at www.cal-ipc.org/resources/s...
🦆 Early bird rates end August 25th.
Register at www.cal-ipc.org/resources/s...
August 23, 2025 at 6:29 PM
Don't forget to register for the 2025 Cal-IPC Symposium. Attend in Ventura or online from Nov. 12-15. Join us for another dynamic gathering of CA land managers to network, learn, and celebrate our hard work!
🦆 Early bird rates end August 25th.
Register at www.cal-ipc.org/resources/s...
🦆 Early bird rates end August 25th.
Register at www.cal-ipc.org/resources/s...
The 2025 ISP treatment season is underway! ISP has hired 15 seasonal biologists and field techs to boost staffing during the monitoring and treatment season and to help take on treatment.
Thank you to the many partners involved. Learn more at bit.ly/4lyJZxQ.
Thank you to the many partners involved. Learn more at bit.ly/4lyJZxQ.
August 21, 2025 at 6:16 PM
The 2025 ISP treatment season is underway! ISP has hired 15 seasonal biologists and field techs to boost staffing during the monitoring and treatment season and to help take on treatment.
Thank you to the many partners involved. Learn more at bit.ly/4lyJZxQ.
Thank you to the many partners involved. Learn more at bit.ly/4lyJZxQ.
We appreciate our partnership with East Bay Regional Park District and Civicorps to give young professionals hands-on experience in weed management. We spent two field days pulling Algeria sea lavender to wrap up this year’s season. Here’s to future trainings and more successful field days!
August 19, 2025 at 8:03 PM
We appreciate our partnership with East Bay Regional Park District and Civicorps to give young professionals hands-on experience in weed management. We spent two field days pulling Algeria sea lavender to wrap up this year’s season. Here’s to future trainings and more successful field days!
August is National Make-A-Will Month. We’re partnering with FreeWill to offer a free, simple tool to help you plan ahead and extend your impact to the ecosystems you care about. It’s never too early or too late to make your wishes known and protect what matters most: bit.ly/47si2UP
August 13, 2025 at 10:22 PM
August is National Make-A-Will Month. We’re partnering with FreeWill to offer a free, simple tool to help you plan ahead and extend your impact to the ecosystems you care about. It’s never too early or too late to make your wishes known and protect what matters most: bit.ly/47si2UP
𝐑𝐞𝐦𝐢𝐧𝐝𝐞𝐫 𝐭𝐨 𝐬𝐮𝐛𝐦𝐢𝐭 𝐲𝐨𝐮𝐫 𝐩𝐡𝐨𝐭𝐨𝐬 𝐭𝐨 𝐭𝐡𝐞 𝟐𝟎𝟐𝟓 𝐂𝐚𝐥-𝐈𝐏𝐂 𝐏𝐡𝐨𝐭𝐨 𝐂𝐨𝐧𝐭𝐞𝐬𝐭!
July 15 – September 15: Submit your photos
September 16 – November 14: Vote
November 15: Winners Announced
To enter, visit cal-ipc.org/photocontest
July 15 – September 15: Submit your photos
September 16 – November 14: Vote
November 15: Winners Announced
To enter, visit cal-ipc.org/photocontest
August 12, 2025 at 4:41 PM
𝐑𝐞𝐦𝐢𝐧𝐝𝐞𝐫 𝐭𝐨 𝐬𝐮𝐛𝐦𝐢𝐭 𝐲𝐨𝐮𝐫 𝐩𝐡𝐨𝐭𝐨𝐬 𝐭𝐨 𝐭𝐡𝐞 𝟐𝟎𝟐𝟓 𝐂𝐚𝐥-𝐈𝐏𝐂 𝐏𝐡𝐨𝐭𝐨 𝐂𝐨𝐧𝐭𝐞𝐬𝐭!
July 15 – September 15: Submit your photos
September 16 – November 14: Vote
November 15: Winners Announced
To enter, visit cal-ipc.org/photocontest
July 15 – September 15: Submit your photos
September 16 – November 14: Vote
November 15: Winners Announced
To enter, visit cal-ipc.org/photocontest
Congratulations Susan Schwartz, president of Friends of Five Creeks, for receiving the 2025 Bay Nature Local Hero Award! Creeks. She has dedicated 27 years to nature in East Bay, much of it removing invasive weeds, hills to shoreline.
Check out Bay Nature’s article: https://bit.ly/4l13cru
Check out Bay Nature’s article: https://bit.ly/4l13cru
August 7, 2025 at 6:23 PM
Congratulations Susan Schwartz, president of Friends of Five Creeks, for receiving the 2025 Bay Nature Local Hero Award! Creeks. She has dedicated 27 years to nature in East Bay, much of it removing invasive weeds, hills to shoreline.
Check out Bay Nature’s article: https://bit.ly/4l13cru
Check out Bay Nature’s article: https://bit.ly/4l13cru
The Preliminary Program is now available online! Check out the workshops, sessions, and discussion groups scheduled for the 2025 Cal-IPC Symposium at bit.ly/3HkzEaE
And don’t forget that the last day for Early Bird Registration is August 25th. Register now!
And don’t forget that the last day for Early Bird Registration is August 25th. Register now!
August 5, 2025 at 9:14 PM
The Preliminary Program is now available online! Check out the workshops, sessions, and discussion groups scheduled for the 2025 Cal-IPC Symposium at bit.ly/3HkzEaE
And don’t forget that the last day for Early Bird Registration is August 25th. Register now!
And don’t forget that the last day for Early Bird Registration is August 25th. Register now!
Anyone else experience this?!
Comment below on something you've observed in the field that members of the public viewed differently. How did you communicate your perspective and create connection?
Comment below on something you've observed in the field that members of the public viewed differently. How did you communicate your perspective and create connection?
July 31, 2025 at 4:19 PM
Anyone else experience this?!
Comment below on something you've observed in the field that members of the public viewed differently. How did you communicate your perspective and create connection?
Comment below on something you've observed in the field that members of the public viewed differently. How did you communicate your perspective and create connection?
Shout out to the Irvine Ranch Conservancy thistle slayers. They've trekked to remote sites and risked tumbling down cactus-laden slopes to remove an estimated 13,000 artichoke thistle plants. This level of determination is inspiring!
Learn more: https: //bit.ly/3GYapuK
Learn more: https: //bit.ly/3GYapuK
July 29, 2025 at 5:09 PM
Shout out to the Irvine Ranch Conservancy thistle slayers. They've trekked to remote sites and risked tumbling down cactus-laden slopes to remove an estimated 13,000 artichoke thistle plants. This level of determination is inspiring!
Learn more: https: //bit.ly/3GYapuK
Learn more: https: //bit.ly/3GYapuK
Ever seen...or tried golden oyster mushrooms 🍄? The tasty, butter-colored species from Asia has been quickly spreading in the Great Lakes area and may be displacing native fungi. Recent observations have also been made in Alabama, Colorado, and Texas.
Read more nyti.ms/3TTzN7L
Read more nyti.ms/3TTzN7L
July 24, 2025 at 5:13 PM
Ever seen...or tried golden oyster mushrooms 🍄? The tasty, butter-colored species from Asia has been quickly spreading in the Great Lakes area and may be displacing native fungi. Recent observations have also been made in Alabama, Colorado, and Texas.
Read more nyti.ms/3TTzN7L
Read more nyti.ms/3TTzN7L
Another successful season of treating invasive sea lavender comes to an end in tidal marshes around San Francisco Bay. Great work and thank you to everyone working on this ongoing, large-scale project!
To learn more about invasive sea lavender control in SF Bay, visit https://bit.ly/4m96j1O
To learn more about invasive sea lavender control in SF Bay, visit https://bit.ly/4m96j1O
July 22, 2025 at 4:12 PM
Another successful season of treating invasive sea lavender comes to an end in tidal marshes around San Francisco Bay. Great work and thank you to everyone working on this ongoing, large-scale project!
To learn more about invasive sea lavender control in SF Bay, visit https://bit.ly/4m96j1O
To learn more about invasive sea lavender control in SF Bay, visit https://bit.ly/4m96j1O
Cal-IPC's Winter 2024/25 𝐷𝑖𝑠𝑝𝑎𝑡𝑐ℎ is now available to everyone. Read about the 2025-2030 Strategic Plan, WeedCUT, Carl Bell remembered and more! bit.ly/459UcuD
Become a Cal-IPC member to receive 𝐷𝑖𝑠𝑝𝑎𝑡𝑐ℎ hot-off-the-press delivered directly to your doorstep or inbox!
Become a Cal-IPC member to receive 𝐷𝑖𝑠𝑝𝑎𝑡𝑐ℎ hot-off-the-press delivered directly to your doorstep or inbox!
July 17, 2025 at 5:08 PM
Cal-IPC's Winter 2024/25 𝐷𝑖𝑠𝑝𝑎𝑡𝑐ℎ is now available to everyone. Read about the 2025-2030 Strategic Plan, WeedCUT, Carl Bell remembered and more! bit.ly/459UcuD
Become a Cal-IPC member to receive 𝐷𝑖𝑠𝑝𝑎𝑡𝑐ℎ hot-off-the-press delivered directly to your doorstep or inbox!
Become a Cal-IPC member to receive 𝐷𝑖𝑠𝑝𝑎𝑡𝑐ℎ hot-off-the-press delivered directly to your doorstep or inbox!