What’s New: New Roots
![](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1714318980026-L8WRA6GDVFKJO3OPUTMK/IMG_9110.jpg)
The New Roots blog summarizes tree events and experiences in the larger Concordia neighborhood forest.
![Teaching volunteers how to prune neighborhood street trees](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1696779971065-52WW1CQHBQI4LD01HJ88/IMG_20231007_112625218.jpg)
Teaching volunteers how to prune neighborhood street trees
Mallory Pratt, coordinator of the Tree Team, taught volunteers for neighborhood street tree pruning, taking place throughout Concordia in October
Autumn Color Walk — Saturday, October 21
Take a leisurely stroll on wheelchair accessible streets to take in the sights and smells of fall and learn a bit about why some trees and leaves outshine others as the days grow shorter.
![Ric Vetter, Tree Team leader, from Hawaii to Oregon](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1690990184950-VM5FJSN9642P1E7VJMU6/0AB45FCA-1D3B-4CCF-B2BC-206C4378CACA.jpg)
Ric Vetter, Tree Team leader, from Hawaii to Oregon
From Hawaii to Oregon, Ric Vetter is a neighbor helping our Concordia trees to thrive
![Interviewing Mallory Pratt, Concordia Tree Team leader](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1687355408663-0R34EROXQ6S3AMRKS2PA/Screen%252BShot%252B2023-06-21%252Bat%252B7.37.46%252BAM.jpg)
Interviewing Mallory Pratt, Concordia Tree Team leader
You may have met Mallory planting trees for Friends of Trees, tabling for urban forests at neighborhood events, or knocking on Concordia doors for street tree pruning opportunities.
![Spring Refresh! at Concordia Arboretum](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1687029321867-MFR0B1VJVGJABYWD53E2/June+Meek+Action+Shot+M+and+L.jpg)
Spring Refresh! at Concordia Arboretum
Mulching, weeding, and watering the trees for summer endurance
![May 6 Tree Walk: Compound Interest](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1678111266095-L1FVR5ZOJOAW7HAFUKAI/Fraxinus+americana+purple+leaves+in+fall+-+Beaumont-Wilshire%2C+PDX+2019-10-05++%285%29.jpg)
May 6 Tree Walk: Compound Interest
Come join Jim Gersbach on a May 6 tree walk, “Compound Interest,” and learn about compound leaf structures along the Arboretum. (pictured, Fraxinus americana, or American ash tree)
Meet Lizzy Hildebrand, Concordia Tree Team member
Spotlight on a joyful member of the Tree Team and graduate of the City’s Tree Steward program. You might have seen her walking her dogs along the Arboretum, knocking on your door to help with pruning your trees, or welcoming people to a tree walk.
![Welcome to the Cully-Concordia International Grove](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1674399165813-YVRWXQSMY6PGVIGHNT03/International+Grove+Location.png)
Welcome to the Cully-Concordia International Grove
Planted in 2011, the trees are native to environments all over the world, reflecting the diversity of Cully-Concordia.
Taller trees are in the Linear Arboretum’s future
Why does height matter? Because the larger the tree, the greater the amount of environmental services it can provide.
![Finding the Tree Within](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1666115085252-JA96RNMAFR8GXOQGS5BA/Parrotia+clean+interior+cut.jpeg)
Finding the Tree Within
With careful cuts, Jim Gersbach brought a Persian Ironwood back to life.
![Free Neighborhood Tree Pruning](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1664825626873-EEUR9IVRS9PTBRNTIAZD/IMG_4950.jpeg)
![Heritage Trees — a Special Designation](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1664827758040-QZK84WPMXXW8AQYF98KD/IMG_6525.jpeg)
Heritage Trees — a Special Designation
Learn more about Heritage Trees and help find more trees deserving of designation
![Thirsty Trees in the Summer Heat](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1659477854752-TM85HPF4HGHX01EMD1L7/Watering+ALA+Trees_Thumbnail.jpeg)
![Ash Tree-Killing Insect Now in Forest Grove](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1658356234699-FEAHH1F4DYENTUOH8MCA/eab-photo_credit_leah-bauer-usda-forest-service-northern-research-station-bugwood.org_.jpg)
Ash Tree-Killing Insect Now in Forest Grove
Emerald Ash Borer is an insect that is known to destroy ash trees and it has now been seen in the Portland area.
![Concordia Tree Inventory Event: Saturday July 16](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1657839050402-EIQKC1XPVDC7NMNJXP3V/IMG_6515.jpeg)
![Restarting the City Tree Inventory](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1651428466031-CXJ3EO7BSBPCKIIVRWYN/Tree+Team+Full+Length.jpg)
![GREAT Arboretum Walk, plus Tree Care 101](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1650943516553-02O4OZ9CQTGMQ5OBE4IR/ALA+Walk.jpeg)
![Saturday, April 16 Walk in the Arboretum](https://images.squarespace-cdn.com/content/v1/5fb1f50406d425063547032b/1647808584416-4IGPMOPHRFXZ62Q5XWCD/IMG_5751.jpeg)
Saturday, April 16 Walk in the Arboretum
Walk with us among the trees — April 16 2022, 9am