Skip to site navigation Skip to site navigation Skip to content
  • Washington State University
Pacific Northwest Vegetable Extension Group Washington State University, Oregon State University, and University of Idaho Pacific Northwest Vegetable Extension Group
Give
  • PNW VEG Home
  • Team Members
  • Pest Alerts
  • Diagnostic Labs
  • IPM Resources
    • Asparagus
    • Basil
    • Bean
    • Beet
    • Brassicaceae
      • Brassicaceae (cruciferous) weeds
      • Broccoli
      • Cabbage
      • Cauliflower
      • Radish
    • Carrot
    • Coriander/cilantro
    • Cucurbits
      • Cucumber
      • Pumpkin
      • Squash
      • Watermelon
    • Eggplant
    • Garlic
    • Lettuce
    • Onion/Allium
    • Pea
    • Pepper
    • Potato
    • Spinach
    • Sweet Corn
    • Swiss Chard
    • Tomato
    • Common diseases, pests and problems
  • Pest Management Publications
  • Team Newsletter Archives
  • Vegetable Resources
  • Calendar of Vegetable Events
  • PNW VEG Home
  • Team Members
  • Pest Alerts
  • Diagnostic Labs
  • IPM Resources
    • Asparagus
    • Basil
    • Bean
    • Beet
    • Brassicaceae
      • Brassicaceae (cruciferous) weeds
      • Broccoli
      • Cabbage
      • Cauliflower
      • Radish
    • Carrot
    • Coriander/cilantro
    • Cucurbits
      • Cucumber
      • Pumpkin
      • Squash
      • Watermelon
    • Eggplant
    • Garlic
    • Lettuce
    • Onion/Allium
    • Pea
    • Pepper
    • Potato
    • Spinach
    • Sweet Corn
    • Swiss Chard
    • Tomato
    • Common diseases, pests and problems
  • Pest Management Publications
  • Team Newsletter Archives
  • Vegetable Resources
  • Calendar of Vegetable Events
Extension Network Sites > Pacific Northwest Vegetable Extension Group > Onion yellow nutsedge

Onion yellow nutsedge

loseup view of a yellow nutsedge plant/flower

Closeup view of a yellow nutsedge plant/flower.

  • Go to WSU Twitter
  • Go to WSU Facebook
  • Go to WSU Youtube
  • Go to WSU Instagram
  • Go to WSU Linkedin
WSU Mount Vernon NWREC,  16650 State Route 536,  Mount Vernon,  WA,  98273,  360-848-6140   dutoit@wsu.edu
Washington State University
© Washington State University 2026
  • Access
  • Policies
  • MyWSU
  • Follow WSU