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| April's Tree of the Month |
Photo Courtesy of Phyllis Reynolds
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American Elm
(Ulmus americana)
American elms as well as other elm species are beautiful vase shaped trees that line many of Portland's neighborhoods including, Eastmoreland, Laurelhurst, Ladds Addition, and the downtown. Unfortunately these elms are susceptible to Dutch elm disease, a highly contagious fungus with no known cure. Elm bark beetles are primarily responsible for spreading the fungus when they breed and hibernate under the bark of stressed, dying, or dead elm trees, and then feed on healthy elms throughout the growing season. The fungal spores from sick or dying elms adhere to the beetles' bodies, spreading the pathogen from sick to healthy trees as the elm bark beetle completes its life cycle.
To help prevent the spread of Dutch elm disease the City of Portland has placed a moratorium on pruning elms starting April 15 through October 15.
To request more information about Dutch elm disease contact Urban Forestry, 503-823-4489.
Submitted By
Autumn Montegna,
Urban Forest Outreach Specialist
Portland Parks & Recreation / City Nature / Urban Forestry Outreach
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Celebrate Arbor Week |
Celebrate Portland's 33rd annual Arbor Week, April 5th through the 10th. Arbor Week is filled with free activities that will inspire you, while expanding your knowledge of and appreciation for the trees in Portland's parks, natural areas, streets, and private yards. Kids and adults both can learn about the variety, history, and the future of trees, and have a lot of fun along the way.
Monday, April 5
Tea Under the Cherry Trees
7 am to 9 am and 11am to 1pm
Waterfront park (Near the Steel Bridge)
Take a break from your commute or come during lunch and enjoy some free "tree" tea, get information and chat with members of the Tree Steward Coalition.
Tuesday, April 6
City of Portland's 33rd Annual Arbor Day Celebration
1 pm to 3 pm
West Powellhurst Park & Elementary School
SE 115 & Division
Tree Planting Ceremony at 1:30 pm with Commissioner Nick Fish and children from West Powellhurst Elementary School. Join us for fun, food & tree activitis - community & student tree planting - PP&R Arborists - community tree resources - free native trees - tree climbing & youth activities - neighborhood tree resources.
Wednesday, April 7
Laurelhurst Park Tree Walk
10 am to 11:30 am
Laurelhurst Park
3600 SE Ankeny
Learn about the history and tree species of Laurelhurst Park from "Trees of Greater Portland" Author, Phyllis Reynolds.
(Meet at the north side of the park near the restrooms. Questions? Please call Autumn at 503-701-7622.)
Thursday, April 8
Trees of Chapman Square
11 am to 1pm
SW 4th and Main
Gain a bird's-eye-view aboard Urban Forestry's bucket truck. Find out about Portland's tree programs, tree climbing, and tree planting.
Friday, April 9
Mature Tree Care Class
10 am to 11:30 am
Midland Park
805 SE 122nd
City Arborist will demonstrate proper tree care and show how trees react to pruning.
Saturday, April 10
Portland's Trees by Bike
9 am to 12 pm
Sellwood Park
7600 SE 7th
See the best trees of Sellwood, Eastmoreland, Westmoreland, and Reed College via your bicycle.
Submitted By
Beth Sorensen, Public Information Officer
Portland Parks & Recreation |
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I Love Trees Because:
An Arbor Week Photography Show |
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I love trees because...
"Of their determination to live, grow, produce and harbor life"
- Matthew Scoggins
"They make me feel peaceful and happy" -Betsy Valle
"Like people, they feel, grow, change with the seasons, develop their own roots, and have so much potential to branch out and become individuals" - Crystal Miller
Celebrate all the reasons we love trees at an Arbor Week Photography Show Friday, April 9 from 6 p.m. - 8:30 p.m. at the Concordia Neighborhood Community Room in McMenamin's Kennedy School at 5736 N.E. 33rd Ave.
Enjoy beautiful photographs from the students of our recent class, Photographing Your Urban Forest. Meet and mingle with these budding photographers and other tree lovers including Neighborhood Tree Stewards, Concordia Tree Team members and Urban Forestry Commission members.
This is a free event sponsored by Portland Parks and Recreation with generous donations from writer, photographer and instructor Bob Langan and Pro Photo Supply. The photographs will be for sale with all proceeds going toward tree planting projects in the Concordia neighborhood.
For more information, call 503-823-4484.
Submitted By
Bob Langan
Writer, Photographer, Instructor, Neighborhood Tree Steward and
Volunteer Extraordinaire |
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April Workshop:
Caring for Portland's Heritage Trees |
 What: Caring for Portland's Heritage
Trees Workshop
Where: SMILE Station
8213 SE 13th Avenue
When: Saturday, April 24,
9:00 a.m. to 12:00 p.m.
Three hundred trees are designated as Heritage Trees due to their age, size, historical association or horticultural value. These trees hold special importance to the community, and your help is needed to monitor their health and tell their story. Certified Arborists will teach you the basics of assessing mature tree health and accurately measuring height, canopy spread, and circumference. Learn how to develop a neighborhood monitoring program for Heritage trees, host a Heritage Tree tree walk, or simply enjoy the beauty and history of these great trees. The majority of the workshop will be outdoors, as we visit butternut, chestnut, tupeolo, and beech Heritage Trees in the Sellwood Neighborhood. The workshop is free but advanced registration is required. To register, contact Autumn Montegna at 503-701-7622 or autumn.montegna@portlandoregon.gov.
Submitted By
Angie DiSalvo, Botanic Specialist II
Portland Parks & Recreation /City Nature / Urban Forestry |
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Eastmoreland Tree Team and Urban Forestry Partner to Promote Replanting |
 In Eastmoreland, the mature tree canopy is the very definition of the neighborhood's character. Between 1917 and 1920, the community was built and street trees were planted: maples on north to south streets and elms on east to west streets. Now that these even-aged trees are older, tree removals due to storms and failure are becoming more common. Maintaining the canopy and replacing lost trees is a key concern of residents.
Eastmoreland Tree Team members and Neighborhood Tree Stewards Catherine Mushel, Karen Williams, and Nancy Young worked with UF Arborist Ned Sodja to review all tree removals that occurred in the neighborhood over the past five years. Tree Team members visited about 40 sites to check whether removed trees were replaced, and were pleased to find that a high majority of the sites had surviving replacement trees. During their site visits, they also inventoried all available planting spaces within the neighborhood and referred them to Ned, who marked curbs and sent letters to property owners encouraging them to plant trees and to call for free advice from City Arborists.
With only eight Tree Inspectors for the City's estimated 250,000 street trees, and only three inspectors specifically assigned to neighborhoods, this level of attention to detail is difficult to achieve without the involvement of local residents. An excellent example for other groups to follow, the Eastmoreland Tree Team has successfully worked to accomplish a wide variety of projects, including distributing a homeowner's tree kit, pruning workshops, DED inoculation, and completing a simple street tree inventory. In 2007, the Tree Team was awarded the Bill Naito Award for their work.
Submitted By
Angie DiSalvo, Botanic Specialist II
Portland Parks & Recreation /City Nature / Urban Forestry |
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Last Chance for Treebates this Season |
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The deadline for submitting Treebate applications, May 1, is fast approaching. The Environmental Services bureau's seasonal Treebate program encourages ratepayers to plant trees on their residential properties by offering a stormwater credit for 50% of the cost of the tree up to $40 (up to $50 if the tree is native). Trees contribute to clean rivers and healthy watersheds, so they are a vital component of Portland's green infrastructure. Check out to learn more about the program and get an application. Happy planting!
Note: If you are unable to plant by the end of April, look for the program to return beginning September 1, 2010.
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Submitted By
Jennifer Karps, Grey-to-Green Canopy Coordinator
Bureau of Environmental Services |
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