Milkweed doesnt just raise monarch caterpillarsit kills invasive lanternflies. Monarchs can eat milkweed safely, storing its chemicals like living armor that makes them unappealing to predators. Lanternflies? Studies show 6080% die within 24 hours of contact with common milkweed SARE Project LNE25-494R. That matters when lanternflies are costing the U.S. hundreds of millions in crop damage every year. One plant, two missions: feeding monarchs and fighting pests. Sometimes, the best pest control is already blooming in your garden. 曆