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Parks in Tigard

Dirksen Nature Park

Camas is now blooming at Dirksen Nature Park
Camas is a culturally important plant for northwest native tribes and is a beautiful oak savannah flower. Over 30,000 Camas bulbs were planted in Dirksen Nature Park in 2015 and this is the first year that they are mature enough to bloom. Now is the time to check out this beautiful nature park! The blooming Camas is visible along Tigard Street.

Dirksen Park camas

Oak Savanna Restoration Project
Throughout the summer, the city’s contractor will clear areas around native oak trees and will remove/spray invasive trees and other non-native vegetation. Later in the year, native plants will be installed.

Dirksen Nature Park contains seven distinct Northwest ecosystems.  They include Oak Savanna, Forested Wetland, Coniferous Forest, Mixed Deciduous Forest, Ash Forest Riparian Forest, Emergent Wetland, Scrub Shrub Wetland

Environmental Benefits of the Restoration Project

  • Less than 2 percent of historic oak savanna habitat remains in the Willamette Valley. Restoring this remnant oak savanna will provide an opportunity for park visitors to view this important historic landscape.
  • Thinning allows mature oaks to expand their crowns and produce more acorns, which provide food for wildlife. More tree cavities are formed in oaks with larger crowns. The cavities serve as homes for squirrels, birds and insects.
  • This project will restore habitat for wildlife species like the western gray squirrel, white-breasted nuthatch and the acorn woodpecker.  All use the grasslands and oaks of the savanna for food, cover and nesting.
  • Thinning the savanna increases light to the forest floor, increasing growth of native flowering plants and benefitting pollinators like native bees and butterflies.

Educational Benefits of the Project
Tigard partnered with Tualatin Riverkeepers and Fowler Middle School. These organizations provide tours and hands-on nature access to over 2000 children per year.  A restored savanna will allow children to view the area’s native oaks, wild lilies and the creatures that this habitat supports.
 
What to Expect in an Oak Savanna Restoration
First, invasive and non-native plants, like English Hawthorn trees and turf and farm grasses, will be removed or eradicated.  Removing these trees will create a more open area.  Oak savanna restoration specialists will spray non-native grasses with a targeted herbicide a few times a year for the next several years. This work:

  • Ensures native plants have time to become established without competition.
  • Promotes wide, spacious growth habits and greater acorn production among the large, existing Oregon White Oak trees at the site. 

In the fall, planting will begin in the savanna. The English Hawthorn trees will be replaced with native Black Hawthorn trees around the perimeter of the site. Native lilies, like Camas and Oregon Iris, will be planted.  Dense sections of native grasses will be installed, making it harder for non-native plants to become established. Shrubs and Oregon White Oak trees will be planted in phases over the next three winters.

The site will be carefully monitored by a specialized re-forestation contractor through 2019.

Dirksen Nature Park Overview

In 2010, the city purchased a 48-acre property near Fowler Middle School. The property is to become Tigard's second largest park and offers a mix of mature forest, wetlands, and open space. The area is home to turtles, frogs, salamanders, red-tailed hawks, owls and herons.

The park is bordered by Fowler Middle School to the south, Tiedeman Avenue to the east, and Tigard Street to the north. Fanno Creek and its tributary, Summer Creek, flow through the site, which serves as an outdoor classroom for environmental education.

The park was named in honor of former mayor Craig Dirksen who was a proponent for the acquisition of park land and open space.

Initial improvements, including upgrades to the existing education building and construction of a picnic shelter, restroom, and trails, will be underway in 2015. Long-term plans for park development include street and ball field improvements, additional trails, and natural play areas.
 
Features & Highlights:

  • Ball field rentals
  • Natural area
  • Education building
  • Outdoor fitness equipment

2013 Preliminary Plans for Dirksen Nature Park


The City of Tigard's Park and Recreation Advisory Board (PRAB) recommended the adoption of the conceptual master plan for Dirksen Nature Park (formerly the Summer Creek property) in 2012. 
 
Contact
Public Works Dept. | 503-718-2591
parks@tigard-or.gov
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