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Extension Service Master Gardener Program

Washington County Master Gardener Program

 

Welcome to the Master Gardener Home Page for Washington County

 

Important Links

Plant or Household Pest Questions?

Washington County MG Chapter

Metro Master Gardener Program

 

Do You Have Plant or Household Pest Questions?

Master Gardeners are trained volunteers, ready to answer your home horticultural questions. We provide research-based information to help you make informed decisions about your home, garden, and landscape. Contact us:

  • All year long
  • Monday - Friday
  • 9:00am and 12:00pm and 1:00pm to 4:00pm

Phone: 503-725-2300

We encourage you to bring us samples to help us diagnose you plant problems and identify household pests.

Walk-in CLinic Location:

Washington County Extension Office

    18640 NW Walker Rd. #1400

    Beaverton , OR 97006-8972

    (Directions- How to Find Us)

Email Your Question

System coming soon.

 

The more information that you give us, the easier it is to answer you questions. Please check out the following questions before you contact us:

Questions Think About Before You Email

Plant

 

What is the problem plant(s) or issue?

Identify the plant: Common name, scientific name, variety/cultivar.  Compare your plant to a healthy specimen of the same species/variety.  Is there a problem?

What symptoms and signs are present on the plant(s) in question?

Symptoms (the plants response to stress or invader): dieback, changes in color/ pattern, blotches, curl, necrosis, shothole, wilt, scorch, rot, scab, gall, mosaic, mottle, ringspot, stunted growth, water soaked.                                         

Signs (evidence of other organisms interacting): fungal fruiting bodies, frass, insects, cast skins, mycelium.

What part of the plant is affected?

Roots, trunk, stems, branches, leaves, flowers.

How much of the plant is affected?

Estimate the percent damaged.

Plant’s Environment

 

Where is the plant located?

Think about soil, sun, shade, drainage, nearby structures and materials, container size if applicable.

What is the appearance of nearby plants? 

Do they have the same symptoms?

What have the weather patterns been?

Freezes, excess heat, hail, wind, etc.

What’s going on nearby?  Is the problem spreading?

Possible sources of injury or pesticide drift.

Cultural Conditions

 

What is the history of the soil where the plant is growing?

Think compaction, new development, toxins.

If recently planted, how was it done?

How was the soil prepared? Was it watered in?

How much/often is the plant watered?

Watering is critical for newly planted or transplanted plants for at least the first 2 years after planting.

Treatments to Date

 

What treatments have been applied?

Which treatments?  When?  Application rate? Results?

Become a Master Gardener- 2008 MG Training

 

 


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