Yellowflagiris is an invasive ornamental perennial that is a problem in many states and other countries. It will sicken livestock if ingested and is generally avoided by herbivores. Contact with its resins can cause skin irritation in humans. Unfortunately, yellowflagiris plants are available in many nurseries, where the popular perennials are valued for their ornamental value and for their ability to effectively control erosion. In both studies, treatments were compared against controls. In the field-study, yellowflagiris regrowth was significantly affected by water, though there was no relationship between water depth and percent regrowth. YellowFlagIris can invade both fresh and salt water systems and often escapes from gardens where it is planted by those who admire its beauty. It is undeniably beautiful, so what’s the big deal if escapes into natural areas on PEI? YellowFlagIrisControl: How To Get Rid Of FlagIris Plants. The first YellowFlagIrisControl Workshop, funded through Wildlife Habitat Canada and the Cariboo Regional District, was held at Bridge Lake in 2019. If you came across this plant in the summer, you’d be delighted. Lush, tall leaves and buttery, generous petals are its claim to fame, but in these parts, the YellowFlagIris is, well, a red flag.flagiris identification and control. WHAT: Targeted control of yellowflagiris. WHERE: Poynters Nature Reserve, Kaiapoi.Yellowflagiris is an unwanted organism under the Biosecurity Act, declared by the Ministry for Primary Industries (MPI) because of the serious threat it poses to native ecosystems and livestock. YellowFlagIrisControl- Charlotte Kelley (7th and 8th grade).Through the continued monitoring of the yellowflagiris, students can observe the progress of their project and learn more about the watershed ecology and behaviors of this invasive species. YellowFlagIrisControl at Dutch Lake: Our efforts to manage the invasive YellowFlagIris have successfully covered 50% of Dutch Lake’s shoreline this year.
