Delbert Hunter Arboretum and Botanic Garden of Oregon Native Plants

Delbert Hunter Arboretum and Botanic Garden of Oregon Native Plants Arboretum at edge of Dallas City Park. Mostly native plants from Western Oregon. Maintained by volunteers and donations.

This beautiful 7-acre park offers visitors a chance to admire native northwest plants and trees. On the south and east borders, the arboretum nestles against the gently flowing Rickreall Creek creating a rich riparian biosphere that complements the many species of plants and trees. Benches are located throughout the arboretum to offer the visitor a change to relax and appreciate the many aspects o

f the parks natural setting. Friends of the Delbert Hunter Arboretum and Botanic Garden was founded in 1983 as a non-profit organization dedicated to the planning and development of a recreational and educational resource contiguous with Dallas City Park. The land is owned by the City, but the volunteer organization is responsible for maintaining the grounds. Funds for these activities are raised through donations. Here is a unique opportunity to see a living museum of native plants. The arboretum provides ecological niches for some of Oregon’s flora and fauna ranging from wetlands and riparian ecosystems to rock gardens and rare shrubs and flowers. Enjoy the special features of the park such as the Lewisia garden, conifer collection, mixed forest, historical kiosk, trails, pond, restored meadow and meeting house. Rickreall Creek (formerly La Creole Creek) is an ever changing feature of the park raging from fast-moving winter flood waters to a peaceful, quiet stream during the summer months.

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06/11/2026

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The Oregon Department of Agriculture is reminding nurseries, landscapers, arborists, municipalities, and the public that Oregon's Emerald Ash Borer (EAB) quarantine remains in effect for Clackamas, Marion, Multnomah, Washington, and Yamhill Counties.

All plants and plant parts of ash (Fraxinus spp.), white fringe tree (Chioanthus virginicus), and olive (Olea spp.) may not be moved outside Clackamas, Marion, Multnomah, Washington, and Yamhill Counties unless the nursery is operating under an approved Emerald Ash Borer Compliance Agreement with the ODA Nursery and Christmas Tree Program.

To learn more about moving plant parts:
https://www.oregon.gov/oda/Documents/Publications/NurseryChristmasTree/EAB_quarantine_2026.pdf

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06/09/2026

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A true native species found only in the Willamette Valley of the PNW!

Sidalcea campestris, Meadow Checkermallow

A large perennial that prefers meadow-like conditions that are mostly (or very) sunny. This Sidalcea forms large clumps of tall, delicate hollyhock-like blooms that are blush-pink to white May-July. The foliage has narrow fine lobes . It is extremely drought tolerant and can endure our heavy clay soils that dry out entirely in the summer (though, like most plants, it likes well-drained soil as well).

We love its elegance and really do recommend putting it in a meadow as it seeds itself freely in our dry gardens. If in the PNW consider other white oak woodland friends like wild roses (Rosa sp.), Oregon iris (Iris tenax), lupine (Lupinus sp.), shooting stars (Dodecatheon sp.), and native bunch grasses.

Mature size: 4-6 ft tall when in bloom, 2-4 ft wide clumps
Minimum temperature: -25° F

https://dancingoaks.com/products/sidalcea-campestris-meadow-checkermallow

Properties/conditions:

drought-tolerant
intermittent water
native
pollinator-friendly
sun
sun or part shade

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05/30/2026
There's a lot going on ....😃
05/09/2026

There's a lot going on ....😃

04/21/2026

Fritillaria affinis, checker-lily, https://oregonflora.org/taxa/index.php?taxon=5219, is a native species that can often be found flowering in the Willamette Valley during Native Plant Appreciation Month! Across it's range it can be grows in meadows, edges of forests, open oak and pine forests, occasionally on somewhat rocky slopes and outcrops in the Cascades, Columbia Basin, Coast Range, Eastern Cascade Slopes and Foothills, Estuarine Coast, Siskiyou Mountains, Willamette Valley.

Photographer: Tanya Harvey
Photo location: Tire Mountain, Oregon
Date: 5/22/21

The transcript is included on the broadcast website.
04/21/2026

The transcript is included on the broadcast website.

Portland author Gary Ferguson joins us to discuss his latest book,"The Twilight Forest: An Elegy for Ponderosa in a Changing West."

DON'T MISS OUT ON OUR FREE ONLINE NEWSLETTERS...https://www.dallasor.gov/portal -- scroll down to Delbert Hunter Arboret...
03/28/2026

DON'T MISS OUT ON OUR FREE ONLINE NEWSLETTERS...
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03/15/2026

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Address

631 SW Park Street
Dallas, OR
97338

Telephone

(503) 623-7359

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