Amy Jo Detweiler

Amy Jo Detweiler

Horticulture

541-548-6088 x79510
[email protected]

Expertise: Flowers, shrubs and trees , Gardening techniques

Programs: Central Oregon Master Gardeners

Locations: Crook County , Deschutes County , Jefferson County

Biography

Amy Jo Detweiler is the community horticulturist for OSU Extension in Central Oregon(Crook, Deschutes and Jefferson Counties). She has been in this position since 1999 and manages the local OSU Master Gardener program for this region and also provides education for green industry professionals. She provides outreach and education for backyard gardeners focusing on sustainable gardening practices, water-wise gardening, fire-wise landscaping, and backyard food production with an emphasis on gardening in the High Desert.

Content by Amy Jo Detweiler

Fire-resistant plant profiles: Trees

Choose the right trees for your fire-resistant landscape with this comprehensive list for the Pacific Northwest.

Amy Jo Detweiler, Stephen Fitzgerald, Ariel Cowan, Neil Bell, Thomas Stokely | Nov 2023 | Educational gallery Peer reviewed (Gray level)

Fire-resistant plant profiles: Perennials

Choose the right perennial plants for your fire-resistant landscape with this comprehensive list for the Pacific Northwest.

Amy Jo Detweiler, Stephen Fitzgerald, Ariel Cowan, Neil Bell, Thomas Stokely | Nov 2023 | Educational gallery Peer reviewed (Gray level)

Fire-resistant plant profiles: Groundcovers

Choose the right groundcover plants for your fire-resistant landscape with this comprehensive list for the Pacific Northwest.

Amy Jo Detweiler, Stephen Fitzgerald, Ariel Cowan, Neil Bell, Thomas Stokely | Nov 2023 | Educational gallery Peer reviewed (Gray level)

Fire-resistant plant profiles: Broadleaf evergreens

Choose the right broadleaf evergreen plants for your fire-resistant landscape with this comprehensive list for the Pacific Northwest.

Amy Jo Detweiler, Stephen Fitzgerald, Ariel Cowan, Neil Bell, Thomas Stokely | Nov 2023 | Educational gallery Peer reviewed (Gray level)

Fire-resistant plant profiles: Shrubs

Choose the right shrubs for your fire-resistant landscape with this comprehensive list for the Pacific Northwest.

Amy Jo Detweiler, Stephen Fitzgerald, Ariel Cowan, Neil Bell, Thomas Stokely | Nov 2023 | Educational gallery Peer reviewed (Gray level)

Fire-resistant Plants for Home Landscapes

Home landscaping is an important part of a community's resistance to wildfire. Learn what plants can help you create an attractive environment and reduce the risk of fire.

Amy Jo Detweiler, Stephen Fitzgerald, Ariel Cowan, Neil Bell, Thomas Stokely | Oct 2023 | Extension Catalog publication Peer reviewed (Orange level)

Roses: Planting and Care in Central Oregon

Are you longing to enjoy the fragrance and color of roses in your yard? With thoughtful attention to planting and care, many types of roses can be grown successfully in Central Oregon.

Amy Jo Detweiler | Apr 2023 | Extension Catalog publication Peer reviewed (Orange level)

Growing Raspberries in Your Home Garden

Learn to grow tart, delicious raspberries in your own garden. Choose which type of raspberry to grow, and learn how to plant, prune, fertilize and water your berry patch to keep it healthy and productive.

Bernadine Strik, Amy Jo Detweiler, Nicole Sanchez, Emily Dixon | Jun 2021 | Extension Catalog publication Peer reviewed (Orange level)

Growing Kiwifruit in Your Home Garden

This guide will walk you through all the details on planting, fertilizing, irrigating, pruning and training so you, too, can grow delicious kiwifruit.

Bernadine Strik, Emily Dixon, Amy Jo Detweiler, Nicole Sanchez | May 2021 | Extension Catalog publication Peer reviewed (Orange level)

Growing Blueberries in Your Home Garden

Learn to grow your own sweet, juicy blueberries in your Oregon home garden! Find out which types and cultivars of blueberries grow best where you live, and which part of your yard is best suited for ...

Bernadine Strik, Emily Dixon, Amy Jo Detweiler, Nicole Sanchez | Dec 2020 | Extension Catalog publication Peer reviewed (Orange level)

Growing Blackberries in Your Home Garden

Home gardeners can enjoy a choice of blackberry varieties with fruit far superior to that of wild blackberries. What’s more, home gardeners can pick fruit from early summer all the way to the first frost. ...

Bernadine Strik, Emily Dixon, Amy Jo Detweiler, Nicole Sanchez | Sep 2020 | Extension Catalog publication Peer reviewed (Orange level)

Common Insects that Cause Plant Damage in Central Oregon

Insects are divided into categories based on the type of damage they cause including leaf chewers, leafminers, flowers, fruit and seed feeders, sap suckers, trunk and branch borers, gall makers, root, tuber, and bulb feeders. ...

Amy Jo Detweiler | Aug 2020 | Educational gallery

Growing Strawberries in Your Home Garden

Here's how to plant strawberries, fertilize them and solve the common problems that plague many gardeners. Learn which type bears fruit when.

Bernadine Strik, Emily Dixon, Amy Jo Detweiler, Erica Chernoh, Nicole Sanchez | Jul 2020 | Extension Catalog publication Peer reviewed (Orange level)

Buzzing and Beautiful: Designing Pollinator Gardens with OSU Extension

A recording of a webinar touring through two new OSU guides to help you garden for pollinators and then ask questions of all the authors. We covered everything from what shrubs to plant, how to use mason bees, shrubs and...

Signe Danler, Andony Melathopoulos, Neil Bell, Amy Jo Detweiler, Nicole Sanchez, Heather Stoven | Jun 2020 | Video

Enhancing Urban and Suburban Landscapes to Protect Pollinators

The way we garden can help promote the health of bees and other insects. This guide offers detailed plant lists, garden designs and advice on creating pollinator habitat.

Andony Melathopoulos, Neil Bell, Signe Danler, Amy Jo Detweiler, Iris Kormann, Gail Langellotto, Nicole Sanchez, Heather Stoven, Dave Smitley | Jun 2020 | Extension Catalog publication Peer reviewed (Orange level)

Water-wise Gardening in Central Oregon

You can have a colorful and beautiful landscape while conserving water and saving time, energy and money. Learn innovative conservation techniques for water-wise gardening, or xeriscaping, in central Oregon. Full plant...

Amy Jo Detweiler | Jun 2020 | Extension Catalog publication Peer reviewed (Orange level)

Growing wildflowers in Central Oregon

Learn how to grow wildflowers in Central Oregon, including choosing and preparing a site, planting and seeding rate, best times of year to do it, and application rate. Also includes a list of wildflowers that thrive in Central Oregon.

Amy Jo Detweiler | Mar 2020 | Article

Are all Milkweeds dangerous to livestock?

Q: We’re having a discussion about milkweed in our gardening group in South Deschutes. A member is concerned about us growing Milkweed for Monarchs as she fears it is fatal to cattle and sheep and will spread. True? And does this apply to all milkweed?

A: View answer | View all featured questions

Project Happy Apples helps gardeners fight devastating codling moth

Program teaches people to manage the pest using integrated pest management techniques.

Amy Jo Detweiler | Apr 2019 | Impact story

Master Gardener speaker request form

If you are interested in having a Master Gardener™ speak or provide an educational service for your group or organization, please fill out this form and return it at least one month before the event.

Amy Jo Detweiler | Apr 2019 | Fact Sheet

Grow Your Own Tomatoes and Tomatillos

Learn how to grow tomatoes and tomatillos in your home garden. Topics include site and soil preparation, propagation, planting, pruning, harvest and storage.

Neil Bell, Amy Jo Detweiler, Heidi Noordijk, Chip Bubl | Sep 2018 | Extension Catalog publication Peer reviewed (Orange level)

Central Oregon Plant Resource Guide

A list of local nurseries, their plant specialties, and contact information.

Amy Jo Detweiler | Aug 2018 | Publication

Life cycle of the codling moth

A codling moth goes through several stages in its life cycle. If you're trying to prevent damage to apples and other fruit, it helps to know when adults and larvae are active.

Amy Jo Detweiler | Apr 2018 | Article

What is this red plant that looks like asparagus?

Q: I found this in numerous places in our garden. Is it poisonous? Is it rare?

A: View answer | View all featured questions

Are native grasses a good fire-resistant option in the high desert?

Q: I would like to replace my existing lawn with natural grasses. I live just east of Bend, Oregon in the high desert. My goal is to reduce watering needs and mowing requirements. Because I live outside of town maintaining ...

A: View answer | View all featured questions

Gardening in Central Oregon's climate

Behind the beauty of the High Desert, lie many factors that create challenges for Central Oregon gardeners. Learn how to work with cold weather, short seasons, dry summers and other elements that can affect your gardening success.

Amy Jo Detweiler | Jan 2016 | Article

Growing Vegetables in Central Oregon (Crook, Deschutes, and Jefferson counties)

The high-desert climate of Central Oregon can create challenges for any gardener. This guide provides region-specific tips and techniques for more successful vegetable gardens, including topics such as site selection, ...

Nov 2015 | Extension Catalog publication Peer reviewed (Orange level)

Growing Hops in the Home Garden

Provides instructions for the home gardener on how to select, grow, harvest, and store hops.

Brooke Getty, Shaun Townsend, Amy Jo Detweiler | Jul 2015 | Extension Catalog publication Peer reviewed (Orange level)

Container gardening basics

Choose the right containers, soil and plants to keep your flowerpots blooming all season long. When choosing plants for container gardening, go for "thrillers," "fillers" and "spillers."

Amy Jo Detweiler | Mar 2014 | Article

Deer-resistant plants for Central Oregon

Below is a list of plants that tend to be more deer-resistant.

Amy Jo Detweiler, Paul MacMillan | May 2012 | Article

Tips for growing spring flowering bulbs in Central Oregon

Knowledge is everything when it comes to growing spring bulbs in Central Oregon. Find out more about bulb purchasing, site selection, timing, planting and bulb care. Get the latest techniques for Central Oregon gardeners.

Amy Jo Detweiler | Aug 2009 | Article

Winter care of perennials in central Oregon

When temperatures begin cooling off in the fall, it is time to put your perennials to bed for the winter. Learn how to mulch and water perennials to protect them from central Oregon's cold, dry soils and freeze-thaw cycles.

Amy Jo Detweiler | Jan 2009 | Article

Selecting Fruit Tree Varieties for Central Oregon Landscaping and Home Orchards

Several kinds of fruit trees can be grown successfully in Central Oregon. The challenge lies in selecting varieties that are most likely to bear fruit in the region.

Amy Jo Detweiler | May 2008 | Extension Catalog publication Peer reviewed (Orange level)

Selecting Native Plants for Home Landscapes in Central Oregon

If planted in a suitable habitat, native plants are well adapted to Central Oregon soils and climate. When grown in the right conditions, native plants experience less environmental, insect, and disease damage than nonnative plants.

Amy Jo Detweiler | May 2008 | Extension Catalog publication Peer reviewed (Orange level)

Selecting Berry Crop Varieties for Central Oregon

Several kinds of berry crops can be grown successfully in Central Oregon. The key is to select varieties suited to local growing conditions and to follow recommendations for planting and care.

Amy Jo Detweiler, Bernadine Strik | May 2008 | Extension Catalog publication Peer reviewed (Orange level)

Plant Selection for Windbreaks in Central Oregon

A fact-sheet including sufficient windbreaks in Central Oregon. Three of the groups consist of Deciduous Trees, Evergreen Trees, and Shrubs.

Amy Jo Detweiler | Nov 2005 | Article

Identification and Control of Knapweed Species in Central and Eastern Oregon

This publication describes potential hazards, management, and identification of knapweeds.

Amy Jo Detweiler | Feb 2003 | Extension Catalog publication Peer reviewed (Orange level)

Lawn maintenance calendar for Central Oregon

Properly timed maintenance is the key to having a nice lawn. Watering, mowing, fertilizing or dethatching at the wrong time yields poor results. Here's how to maintain a healthy lawn in Central Oregon.

Amy Jo Detweiler, Tom Cook, John Whisler, David Wienke | Jun 2002 | Article Peer reviewed (Gray level)

Give the garden a facelift with 6 shrubs sporting dramatic foliage

Add colorful shrubs to the palette of plants you use to give color and texture to the landscape.

Kym Pokorny | Apr 5, 2018 | News story

Wildflowers give gardens a charming, relaxed look

Put aside an area of the garden for the beauty of wildflowers.

Kym Pokorny | Apr 10, 2020 | News story

Ten all-around great shrubs for water-wise gardens

Low-water plants save money, time and help the environment

Kym Pokorny | Jul 17, 2015 | News story

High Desert Garden Tour educates gardeners on growing conditions

Annual Extension event helps gardeners successfully navigate the unique soils and extreme climate of central Oregon.

Amy Jo Detweiler | Apr 2024 | Impact story

Tips for growing big, beautiful tomatoes

OSU expert offers tips for success

Kym Pokorny | Jun 5, 2015 | News story

Project Happy Apples helps gardeners fight devastating codling moth

Program teaches people to manage the pest using integrated pest management techniques.

Amy Jo Detweiler | Apr 2019 | Impact story

Spruce up older camellias with a late spring trim

Here’s how to give your old camellia a makeover.

Kym Pokorny | May 26, 2023 | News story

Growing berries, fruit trees, roses and native plants in Central Oregon

OSU Extension publications show how to grow several kinds of berries, fruit trees, roses and native plants in Central Oregon.

Jan 9, 2009 | News story

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