GardenSmart Oregon<br />A Guide to Non-Invasive Plants<br />Download at: <br />http://extension.oregonstate.edu/catalog/pd...
This publication is a “landmark collaboration” among many organizations, including the City of Portland, Oregon Public Bro...
Part of “The Silent Invasion”<br />GardenSmart was part of a campaign throughout Oregon to raise awareness about invasive ...
http://www.opb.org/programs/invasives/<br />
Invasive Facts – Invasive Species are A Serious Problem<br />Invasive Species Defined - a species that is non-native or al...
Invasive Facts http://www.wildflower.org/invasive/PW_Brochure.pdf<br />• Invasive species are the # 1 threat to<br />nativ...
The identity of some of our Invasive Species May Surprise You<br />For example, take a look at the poster shown on the nex...
A new “look” at butterfly bush courtesy of the City of Springfield OR<br />http://www.ci.springfield.or.us/ESD/ButterflyBu...
So Why is Gardening so Important for Invasive Species?<br />The plants featured in GardenSmart Oregon were introduced inte...
Here are Some of the Gardening Pathways for Invasive Plants<br />Intentional planting for ornamental value, such as butter...
A Closer Look at GardenSmart Oregon <br />
GardenSmart Oregon features information about known invasive plants and provides garden alternatives <br />Included is one...
Butterfly bush as shown in GardenSmart Oregon<br />
Butterfly bush Invading a creeksidein  Oregon’s lower elevation Cascades<br />Photo courtesy of Brad Withrow-Robinson, OSU...
GardenSmart Featured Native Plant: Blueblossom<br />Ceanothusthyrsifolius<br />http://oregonstate.edu/dept/ldplants<br />
GardenSmart Featured Ornamental Alternative<br />Meyer lilac – Syringameyeri<br />http://oregonstate.edu/dept/ldplants<br />
Another ornamental that has become invasive:  English ivy – Hedera helix – invading Forest Park in Portland<br />
Another Exercise<br />Visit the OSU Extension Yamhill County Site to view a fact sheet on controlling English Ivy. http://...
GardenSmart Featured Native – Dunes Strawberry <br />Fragariachiloensis<br />http://oregonstate.edu/dept/ldplants<br />
Gardensmart Featured Ornamental – Allegheny Spurge <br />Pachysandra procumbens<br />http://oregonstate.edu/dept/ldplants<...
Creeping raspberry<br />Rubuscalycinoides<br />http://oregonstate.edu/dept/ldplants<br />
What You as Gardeners Can Do<br />Learn about invasives.  Read GardenSmart Oregon<br />Start at home.  Remove invasive spe...
What You as Gardeners Can Do (More)<br />Support nurseries that offer alternatives to invasive plants<br />Be especially c...
What You as Gardeners Can Do (More)<br />Share the word with other gardeners<br />Join a local group that helps eliminate ...
Some things I learned from Working on GardenSmart. . .<br />The featured native plants tend to be more drought tolerant th...
Thank You!<br />Yellow Flag Iris, a recently listed Oregon invasive plant<br />I hope you have enjoyed this brief introduc...
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GardenSmart Oregon For Master Gardeners

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GardenSmart Oregon is a publication about invasive species and gardening alternatives to invasive plants. It also includes a "to do" list for gardeners.

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GardenSmart Oregon For Master Gardeners

  1. 1. GardenSmart Oregon<br />A Guide to Non-Invasive Plants<br />Download at: <br />http://extension.oregonstate.edu/catalog/pdf/ec/ec1620.pdf<br />Linda R McMahan, OSU Extension Service, Yamhill County<br />OSU Plant ID Pictures used by permission of Patrick Breen © Oregon State University<br />
  2. 2. This publication is a “landmark collaboration” among many organizations, including the City of Portland, Oregon Public Broadcasting, the Oregon Association of Nurseries, and the OSU Extension Service<br />
  3. 3. Part of “The Silent Invasion”<br />GardenSmart was part of a campaign throughout Oregon to raise awareness about invasive species.<br />The following slide shows the Oregon Public Broadcasting webpage on this campaign, called “The Silent Invasion” as it appeared last year.<br />As an exercise, visit the current website and explore it for additional information. <br />
  4. 4. http://www.opb.org/programs/invasives/<br />
  5. 5. Invasive Facts – Invasive Species are A Serious Problem<br />Invasive Species Defined - a species that is non-native or alien to the ecosystem under consideration and whose introduction does or is likely to cause economic or environmental harm or harm to human health <br />http://www.wildflower.org/invasive/PW_Brochure.pdf<br />
  6. 6. Invasive Facts http://www.wildflower.org/invasive/PW_Brochure.pdf<br />• Invasive species are the # 1 threat to<br />native biodiversity on protected lands<br />• Invasive plants are spreading over<br />approximately 1,729,730 acres per year of U.S. wildlife habitat<br />• Scientists estimate that invasive plants cost our economy $35 billion or more in damages and treatment each year<br />
  7. 7. The identity of some of our Invasive Species May Surprise You<br />For example, take a look at the poster shown on the next slide. This was published by the City of Springfield, Oregon<br />
  8. 8. A new “look” at butterfly bush courtesy of the City of Springfield OR<br />http://www.ci.springfield.or.us/ESD/ButterflyBush.jpg<br />
  9. 9. So Why is Gardening so Important for Invasive Species?<br />The plants featured in GardenSmart Oregon were introduced intentionally, primarily for gardens and landscapes<br />4,000 or more plant species are introduced into the US, 1 in 10 have become invasive, and half of these are of horticultural origin<br />
  10. 10. Here are Some of the Gardening Pathways for Invasive Plants<br />Intentional planting for ornamental value, such as butterfly bush<br />Seed mixes that contain plants with invasive potential or unintended weed seeds<br />Weed seeds as contaminants in bird seed<br />
  11. 11. A Closer Look at GardenSmart Oregon <br />
  12. 12. GardenSmart Oregon features information about known invasive plants and provides garden alternatives <br />Included is one featured native plant and several additional Oregon native plants for each invasive ornamental <br />One featured “ornamental” plant and other alternatives as well<br />
  13. 13. Butterfly bush as shown in GardenSmart Oregon<br />
  14. 14. Butterfly bush Invading a creeksidein Oregon’s lower elevation Cascades<br />Photo courtesy of Brad Withrow-Robinson, OSU Extension, used by permission<br />
  15. 15. GardenSmart Featured Native Plant: Blueblossom<br />Ceanothusthyrsifolius<br />http://oregonstate.edu/dept/ldplants<br />
  16. 16. GardenSmart Featured Ornamental Alternative<br />Meyer lilac – Syringameyeri<br />http://oregonstate.edu/dept/ldplants<br />
  17. 17. Another ornamental that has become invasive: English ivy – Hedera helix – invading Forest Park in Portland<br />
  18. 18. Another Exercise<br />Visit the OSU Extension Yamhill County Site to view a fact sheet on controlling English Ivy. http://extension.oregonstate.edu/yamhill/controlling-invasive-plants<br />
  19. 19. GardenSmart Featured Native – Dunes Strawberry <br />Fragariachiloensis<br />http://oregonstate.edu/dept/ldplants<br />
  20. 20. Gardensmart Featured Ornamental – Allegheny Spurge <br />Pachysandra procumbens<br />http://oregonstate.edu/dept/ldplants<br />
  21. 21. Creeping raspberry<br />Rubuscalycinoides<br />http://oregonstate.edu/dept/ldplants<br />
  22. 22. What You as Gardeners Can Do<br />Learn about invasives. Read GardenSmart Oregon<br />Start at home. Remove invasive species or interrupt their reproduction by deadheading or other methods<br />Don’t trade invasive plants with other gardeners<br />Check the contents of seed mixes before you purchase or plant them<br />
  23. 23. What You as Gardeners Can Do (More)<br />Support nurseries that offer alternatives to invasive plants<br />Be especially careful if you have a water garden to keep plants from entering native waterways<br />
  24. 24. What You as Gardeners Can Do (More)<br />Share the word with other gardeners<br />Join a local group that helps eliminate invasive plants from natural areas<br />Dispose of invasive plants appropriately<br />Check plant pots before you plant them to catch the “hitchhikers”<br />
  25. 25. Some things I learned from Working on GardenSmart. . .<br />The featured native plants tend to be more drought tolerant than the “ornamentals”<br />Many of the plants often recommended are invasive somewhere in the world<br />US natives from other states are showing fewer invasive tendencies in the rest of the US than are Asian and European species<br />
  26. 26. Thank You!<br />Yellow Flag Iris, a recently listed Oregon invasive plant<br />I hope you have enjoyed this brief introduction to GardenSmart Oregon and Invasive Species Information<br />Stay tuned to new information on invasive species as it emerges<br />
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