Hello Kate,
Thank you for your question about learning more about Central Oregon plants. The Deschutes County OSU Extension publishes a variety of resources that provide details about the Central Oregon climate, recommended plants for this area, and information about when to plant, and how to maintain your garden.

The following publication lists a variety of plants that do well in our Central Oregon climate. A plant description and growing conditions are provided in addition to photos. Garden planning, design and irrigation are also included. Click on this link: Water-wise Gardening in Central Oregon | OSU Extension Catalog | Oregon State University

The OSU Deschutes County Extension website provides many helpful publications about gardening in Central Oregon. Following is a link to this website, which will direct you to gardening topics and plants that are specific for our geographic area and climate.
Central Oregon Garden Publications | OSU Extension Service (oregonstate.edu)

The Deschutes County OSU Extension website provides information about gardening classes and events in our area: Events | OSU Extension Service (oregonstate.edu)

You may also find the OSU Master Gardener program of interest. We have a very active Central Oregon Chapter: How to Join | OSU Extension Service (oregonstate.edu)

If you need additional information or have questions, I recommend you call the Deschutes County OSU Extension office in Redmond at<personal data hidden>. Ask to speak with Amy Jo Detweiler (oregonstate.edu), a member of the Horticulture Staff. Amy Jo welcomes your home garden questions and is a great resource.