In the last 15 years, the monarch butterfly populations in North America have dwindled to "alarmingly low" levels, University of Guelph associate professor and ecologist Ryan Norris. He was part of a group of researchers who developed a strategy on preserving and improving the monarch’s populations.
My wife and I planted one a couple years ago and I’ve been bummed that I haven’t seen a single caterpillar on it yet this year. It’s nice and big now compared to its first season when the monarch caterpillars absolutely demolished its leaves.
My wife and I planted one a couple years ago and I’ve been bummed that I haven’t seen a single caterpillar on it yet this year. It’s nice and big now compared to its first season when the monarch caterpillars absolutely demolished its leaves.