News & Events from the Intertwine
Help us maintain our recreational and educational facilities while having fun! This welcoming and relaxed volunteer experience features projects of every kind.
Getting dirty at the Arboretum has never been easier!
Getting dirty at the Arboretum has never been easier!
We're inviting all who are able to come help us with some mulching, trail work, trimming, hauling, weeding, etc.
Join us for free urban nature adventures every third Wednesday, February through November (except April and July)! Each guided "hike" will consist of an easy walk or tour with a theme, appropriate for all ages. March theme: Powerful pollinators!
In the fourth and final presentation of ONDA's High Desert Speaker Series in Portland, ONDA Stewardship Director Ben Gordon will reveal some of the most spectacular (and shockingly overlooked) areas of Oregon's signature wild and scenic river: the John Day.
In the third installment of the Portland edition of ONDA's High Desert Speaker Series, Dr. Tom Connolly shares his experiences as one of Oregon's preeminent cultural anthropologists.
Learn expert techniques for soil care and preparation, tailored to our climate.
Where can I fit more vegetables? Learn to make the most of your garden site.
Get inspired by our abundant winter harvest.
We will also cover:
-tools and tool care
Grow Your Own! 9 month Course - from soil to seed to table
Nourish your body and our soil.
-Build soil
-Grow vegetables, herbs and edible flowers
-Harvest
-Recipes
-Ferments and Preservation
-Seed saving and more.
Puddle problems? Rain gardens are landscape features that collect and treat runoff from places like driveways, rooftops, sidewalks, and parking lots.
We would like to invite you to this month's Rewilding Skill Series. The Rewilding Free Skills Series is a class & networking event that happens monthly, that usually occurs (but not always) on the last Saturday of the month.