03/16/2026
🌻 New Invasive Plant Detected in Washington State
Agricultural officials in Washington State have identified a never-before-seen invasive species in the region: sunflower broomrape (Orobanche cumana), discovered in Yakima. This parasitic plant poses a serious threat to sunflowers and related crops by latching onto their roots and siphoning off essential water and nutrients.
What makes sunflower broomrape especially dangerous is its inability to produce its own food through photosynthesis. It relies entirely on host plants to survive. Once it takes hold, it can be extremely hard to eliminate—one plant can release hundreds of thousands of microscopic seeds, which can lie dormant in the soil for decades and still sprout.
The Washington State Department of Agriculture is urging farmers, gardeners, and residents to stay alert and report any suspected sightings. Early detection is key to stopping its spread and protecting the state’s agricultural economy.
📸 If you think you’ve spotted sunflower broomrape:
• Leave the plant undisturbed to avoid spreading seeds
• Snap a clear photo
• Contact WSDA immediately
📧 [email protected]
📞 1-800-443-6684
Your quick action can help safeguard Washington crops from this invasive threat.