Do you like to see wildflowers?

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Do you like to see wildflowers?
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How did Weeds Get Here?

• Hitched a ride on immigrants and animals
• Contaminated seed and hay from other countries
• Escaped from ornamental plantings

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How are Weeds Spread?

• Human disturbances like driving motor vehicles,
  hiking, biking, and pets
• Natural disturbances like wind, rivers, wildlife,
  and low-intensity fires

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Houndstongue
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Integrated Weed Management

• Use more than one method of weed control
• Focus on ecology of plant community
• Focuses on what you want to grow or desired
  vegetation

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BIOLOGICAL CONTROLS
HERBICIDES
FERTILIZATION
REVEGETATION
PREVENTION
GRAZING
DESIRED VEGETATION
LIFE CYCLE OF NOXIOUS WEEDS
BURNING
IRRIGATION
OTHER
MOWING
MULCHING
CULTIVATION
HAND PULLING
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Biological Control

• Urophora affinis

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Herbicides
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Cultural Controls

• Grazing
• Fertilization
• Revegetation

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Mechanical Control

• Hand Pulling
• Mowing
• Mulching
• Cultivation

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Mowing
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Be Aware and Prepare
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Check Your Clothing and Equipment for Weed Seeds
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Brush Animals Clean Before and After Back Country
Trips