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Oregon Flora

OregonFlora has assembled a comprehensive guide to the ~4,750 vascular plants of Oregon. Their foundational research supports diverse audiences — citizen scientists, students and gardeners, ecologists and land managers, policy makers, university researchers and leaders — in the critical work of protecting biodiversity, managing natural resources, promoting sustainability, and furthering understanding of our botanical treasures.

LeAnn Locher | Sep 2024 | Online resource

Garden Future

What's the future of gardening in Oregon? Changes in climate are impacting gardening. We're talking about it and gathering solutions to support gardeners now and into the future. Learn how Oregon gardeners are experiencing climate...

LeAnn Locher, Brooke Edmunds, Erica Chernoh, Megan Wickersham, Amy Jo Detweiler, Signe Danler, Amanda Woodlee, Heather Stoven, Grace Florjancic, Shannon Rauter, Sarah West, Srijana Shrestha, Otillia Schreuder, Amy Espinoza, Marcia McIntyre, Kendal Johnson | Project Peer reviewed (Gray level)

Should I plant fruit trees in fall or spring?

Q: We want to plant an orchard this fall, but it is difficult to find trees for that time of year. There is a lot of information about planting trees in spring. What is a good time to plant an orchard in the fall?

A: View answer | View all featured questions

Rockroses for western Oregon gardens

The top 5 performing plants of Cistus for western Oregon landscapes.

Heather Stoven, Neil Bell | Aug 2024 | Educational gallery Peer reviewed (Gray level)

Fire-resistant plants for home landscapes

Make your landscape more fire resistant by choosing and placing fire-resistant plants on your property. Visit a nursery with Paula Lupcho, OSU Master Gardener and Firewise Gardening expert, and Carrie Berger, OSU Extension Fire Program Manager, to know more.

Carrie Berger | Jul 2024 | Video Peer reviewed (Gray level)

Top 5 plants for unirrigated landscapes in Western Oregon

Drought-tolerant landscape plants for Western Oregon, including California lilac (Ceanothus), Rockrose (Cistus and Halimium), Manzanita (Arctostaphylos), Spider flower (Grevillea) and ground cover shrubs.

Heather Stoven, Neil Bell | Jul 2024 | Collection Peer reviewed (Gray level)

California Lilac (Ceanothus) for western Oregon gardens

The top 5 performing plants of Ceanothus for western Oregon landscapes.

Heather Stoven, Neil Bell | Jul 2024 | Educational gallery Peer reviewed (Gray level)

Drought-tolerant landscape plants for western Oregon: site selection and preparation

Western Oregon gardens and landscapes can flourish without summer irrigation - when you choose the right plants. This series, based on decades of on-farm research, can provide some ideas and go-to plants to help create a ...

Heather Stoven, Neil Bell | Jul 2024 | Article Peer reviewed (Gray level)

Extension publication brings more fire education to home landscapes

Every plant in the publication has research behind its ability to contribute to a fire-wise defensible space around your home.

Francesca Lear | Jun 14, 2024 | News story

Rhododendrons and azaleas need a strong acidic soil

The most effective way to correct an iron deficiency for these plants is to acidify the soil.

Jun 4, 2024 | News story