Periwinkle, lily-of-the-valley, yellow iris and bright orange daylilies can add a vibrant splash of colour to Ontario gardens and are easy to grow — but did you know these species are also considered ...

Periwinkle flowers (botanic name Vinca minor) grow as a ground cover in Zones 4 to 9. They typically reach heights of up to 6 inches, and widths of between 6 and 18 inches. Flowers can be blue, ...

As planting season arrives in Milwaukee, local gardeners may start to find invasive species hiding out among their plants. Whether they're in your yard or along a trail, invasive plants can be removed ...

Lesser celandine (Ficaria verna), sometimes known as fig buttercup, is a short, perennial plant that is spreading in the Midwest. It is a watch list species in Michigan, meaning it has a limited known ...

In California, besieged by the twin threats of drought and wildfire, the choice to grow native versus non-native plants is attracting more attention than ever before. What exactly are the merits of ...

Nutria, also known as coypu, are large rodents that live in areas with lots of freshwater. Despite sometimes being called swamp rats, nutria are not rats. These mammals are native to South America and ...

Jonathan Lesser was formerly an adjunct fellow at the Manhattan Institute. He has more than 30 years of experience working for regulated utilities, for government, and as a consultant in the energy ...