PNWISA (@pnwisa) 's Twitter Profile
PNWISA

@pnwisa

As a nonprofit, we foster a greater appreciation of trees and promote the professional practice of arboriculture through education, research, and technology.

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linkhttp://www.pnwisa.org calendar_today30-09-2014 17:32:39

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🌳 Winter Tree ID Series – Part One is Dec 19, 12–2 PM PT! Sharpen your winter ID skills & earn 2 CEUs with instructor Casey Clapp. Registration closes Dec 18 at noon — don’t miss it! pnwisa.org/events/EventDe… #PNWISA #TreeID #Arboriculture

🌳 Winter Tree ID Series – Part One is Dec 19, 12–2 PM PT!

Sharpen your winter ID skills & earn 2 CEUs with instructor Casey Clapp.
Registration closes Dec 18 at noon — don’t miss it! pnwisa.org/events/EventDe…

#PNWISA #TreeID #Arboriculture
PNWISA (@pnwisa) 's Twitter Profile Photo

🌲 Join Casey Clapp in Seattle on Jan 26 for a full-day Common Conifers of the PNW workshop! 8:30–4:00 PM at the Center for Urban Horticulture. Earn 6 CEUs and sharpen your ID skills. pnwisa.org/events/EventDe… #PNWISA #TreeID

🌲 Join Casey Clapp in Seattle on Jan 26 for a full-day Common Conifers of the PNW workshop!
8:30–4:00 PM at the Center for Urban Horticulture. Earn 6 CEUs and sharpen your ID skills. pnwisa.org/events/EventDe…

#PNWISA #TreeID
PNWISA (@pnwisa) 's Twitter Profile Photo

🌱 Build a stronger future in arboriculture. Join Peter van Oss on Feb 17 for an inspiring Arbor Chat on career growth, skills, and resilience. 📆 Feb 17 • 12 PM PT 🎓 1 CEU 🔗 Register by Feb 16: pnwisa.org/events/EventDe… #PNWISA #ArborChat

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⏰ Last Chance to Register! Don’t miss tomorrow’s Arbor Chat: Tree Regulations for a Sustainable Urban Forest happening Wednesday, December 10 at 12 PM PT! ➡️ Registration closes TODAY — Tuesday, December 9! pnwisa.org/events/EventDe… #UrbanForestry

⏰ Last Chance to Register!

Don’t miss tomorrow’s Arbor Chat: Tree Regulations for a Sustainable Urban Forest happening Wednesday, December 10 at 12 PM PT!

➡️ Registration closes TODAY — Tuesday, December 9! pnwisa.org/events/EventDe…

#UrbanForestry
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🌿 Winter Tree ID – Part Two is Jan 16, 12–2 PM PT! Learn to identify elms, lindens & ashes in winter with Casey Clapp + earn 2 CEUs. Registration closes Jan 15 at noon—sign up today: pnwisa.org/events/EventDe… #PNWISA #TreeID #Arboriculture

🌿 Winter Tree ID – Part Two is Jan 16, 12–2 PM PT!

Learn to identify elms, lindens & ashes in winter with Casey Clapp + earn 2 CEUs.
Registration closes Jan 15 at noon—sign up today: pnwisa.org/events/EventDe…

#PNWISA #TreeID #Arboriculture
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Happy Holidays from PNW-ISA! ✨ Thank you to our members, sponsors, volunteers, and partners for supporting our community and urban forests. 🌲 Wishing you joy this season and a thriving new year ahead! #PNWISA #HappyHolidays #Arboriculture #UrbanForestry

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🌲 Boise! Join us Feb 9 for a full-day Conifer ID workshop with Casey Clapp at the Idaho State Museum. Earn 6 CEUs + sharpen your field skills. Register by Feb 8! pnwisa.org/events/EventDe… #PNWISA #TreeID #Arboriculture

🌲 Boise! Join us Feb 9 for a full-day Conifer ID workshop with Casey Clapp at the Idaho State Museum. Earn 6 CEUs + sharpen your field skills. Register by Feb 8!
pnwisa.org/events/EventDe…

#PNWISA #TreeID #Arboriculture
PNWISA (@pnwisa) 's Twitter Profile Photo

⏰ Last chance! Winter Tree ID – Part Two is this Friday (12–2 PM PT). Registration closes TOMORROW at noon—don’t miss 2 CEUs + expert instruction from Casey Clapp! pnwisa.org/events/EventDe… #PNWISA #TreeID

⏰ Last chance! 

Winter Tree ID – Part Two is this Friday (12–2 PM PT).
Registration closes TOMORROW at noon—don’t miss 2 CEUs + expert instruction from Casey Clapp!
pnwisa.org/events/EventDe…

#PNWISA #TreeID
PNWISA (@pnwisa) 's Twitter Profile Photo

Ready to level up your arboriculture career? Don’t miss Peter van Oss on Feb 17 as he shares his journey from climbing arborist to consultant. 🎓 1 CEU • Free for members ⏳ Reg closes Feb 16: pnwisa.org/events/EventDe… #ArborChat #TreeCare

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Join us for a one-day instructional workshop at Clackamas Community College with hands-on sessions, expert talks, and meaningful networking. Save your seat before prices go up tomorrow. See you there! tinyurl.com/OurLifeinTrees…

Join us for a one-day instructional workshop at Clackamas Community College with hands-on sessions, expert talks, and meaningful networking. Save your seat before prices go up tomorrow. See you there! tinyurl.com/OurLifeinTrees…
PNWISA (@pnwisa) 's Twitter Profile Photo

Reminder! 🌲 Join us Jan 26 for a full-day conifer ID workshop with Casey Clapp in Seattle. Earn 6 CEUs + sharpen your skills. #PNWISA #TreeID

Reminder! 🌲 Join us Jan 26 for a full-day conifer ID workshop with Casey Clapp in Seattle. Earn 6 CEUs + sharpen your skills.

#PNWISA #TreeID
PNWISA (@pnwisa) 's Twitter Profile Photo

Join Casey Clapp via Zoom on Feb 20, 12–2 PM PT for the final session in this three-part series. Learn to ID winter trees like elms, lindens, and ashes—plus their look-alikes. ⏳ Registration closes Feb 19 at noon PT → pnwisa.org/events/EventDe… #ForestryEducation

Join Casey Clapp via Zoom on Feb 20, 12–2 PM PT for the final session in this three-part series. Learn to ID winter trees like elms, lindens, and ashes—plus their look-alikes.

⏳ Registration closes Feb 19 at noon PT → pnwisa.org/events/EventDe…

#ForestryEducation
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Join PNW-ISA for Life in Trees 🌲 A one-day workshop packed with expert insights on regional pests & diseases, networking, lunch, and 6.25 CEUs. 📅 Feb 13, 2026 | 📍 Clackamas CC pnwisa.org/events/EventDe… #PNWISA #Arboriculture #CEUs

Join PNW-ISA for Life in Trees 🌲 A one-day workshop packed with expert insights on regional pests & diseases, networking, lunch, and 6.25 CEUs.

📅 Feb 13, 2026 | 📍 Clackamas CC
pnwisa.org/events/EventDe…

#PNWISA #Arboriculture #CEUs
PNWISA (@pnwisa) 's Twitter Profile Photo

There’s still time to reserve your spot for this in-depth workshop with Casey Clapp at the Idaho State Museum. Gain practical identification tools, deepen your understanding of regional conifers, and earn 6 CEUs—all in one full-day session. pnwisa.org/events/EventDe… #Arboriculture

There’s still time to reserve your spot for this in-depth workshop with Casey Clapp at the Idaho State Museum. Gain practical identification tools, deepen your understanding of regional conifers, and earn 6 CEUs—all in one full-day session. pnwisa.org/events/EventDe…

#Arboriculture
PNWISA (@pnwisa) 's Twitter Profile Photo

🌳 Future-proof your arboriculture career! Join the Feb 17 Arbor Chat with Peter van Oss for insights on growth, transitions & staying prepared. 🗓️ Reg by Feb 16 🎓 1 CEU pnwisa.org/events/EventDe… #PNWISA #Arboriculture

PNWISA (@pnwisa) 's Twitter Profile Photo

Level up your conifer ID skills with Casey Clapp! 🌲 Hands-on workshop exploring PNW conifers at Clackamas College. 6 CEUs + lunch included. 📅 Mar 6 | ⏰ 8:30 AM–4 PM | Register by Mar 5 → pnwisa.org/events/EventDe… #TreeIdentification #Conifers #Dendrology #ForestryEducation

Level up your conifer ID skills with Casey Clapp! 🌲 Hands-on workshop exploring PNW conifers at Clackamas College. 6 CEUs + lunch included.

📅 Mar 6 | ⏰ 8:30 AM–4 PM | Register by Mar 5 → pnwisa.org/events/EventDe…

#TreeIdentification #Conifers #Dendrology #ForestryEducation
PNWISA (@pnwisa) 's Twitter Profile Photo

Join Casey Clapp via Zoom on Feb 20, 12–2 PM PT for the final session in this three-part series. Learn to ID winter trees like elms, lindens, and ashes—plus their look-alikes. ⏳ Registration closes Feb 19 at noon PT → pnwisa.org/events/EventDe… #ForestryEducation

Join Casey Clapp via Zoom on Feb 20, 12–2 PM PT for the final session in this three-part series. Learn to ID winter trees like elms, lindens, and ashes—plus their look-alikes.

⏳ Registration closes Feb 19 at noon PT → pnwisa.org/events/EventDe…

#ForestryEducation
PNWISA (@pnwisa) 's Twitter Profile Photo

Level up your conifer ID skills with Casey Clapp! 🌲 Hands-on workshop exploring PNW conifers at Clackamas College. 6 CEUs + lunch included. 📅 Mar 6 | ⏰ 8:30 AM–4 PM | Register by Mar 5 → pnwisa.org/events/EventDe… #TreeIdentification #Conifers #Dendrology #ForestryEducation

Level up your conifer ID skills with Casey Clapp! 🌲 Hands-on workshop exploring PNW conifers at Clackamas College. 6 CEUs + lunch included.
📅 Mar 6 | ⏰ 8:30 AM–4 PM | Register by Mar 5 → pnwisa.org/events/EventDe…

#TreeIdentification #Conifers #Dendrology #ForestryEducation
PNWISA (@pnwisa) 's Twitter Profile Photo

🎤🌲 PNW-ISA Conference 2026 is now accepting speaker proposals! Share your expertise with the arboriculture community. Deadline: Monday, March 16 🔗 Individual & Multi-Presenter submission links available on our website. #PNWISA #Arboriculture #CallForSpeakers #UrbanForestry

PNWISA (@pnwisa) 's Twitter Profile Photo

🌲 Call for Articles + Cover Photo Contest! Submit your work for the Spring issue of Trees Magazine. We’re looking for articles (500–700 words + photos) on topics that matter to the PNW-ISA community. Have a stunning tree photo? Enter the cover contest! pnwisa.org/page/trees-mag…

🌲 Call for Articles + Cover Photo Contest! 

Submit your work for the Spring issue of Trees Magazine. We’re looking for articles (500–700 words + photos) on topics that matter to the PNW-ISA community. Have a stunning tree photo? Enter the cover contest! pnwisa.org/page/trees-mag…