Catkins are everywhere! What's a catkin? They are the pollen producing (male) parts of wind pollinated trees like alder, willow, and cottonwood. You can see them dangling from the branches, but you can also Robert Plant's Love Affair With A Groupie Ended With A Tragic Loss Causago Round Large Terra Cotta Plant Pots Kinsey Garden Decor The Perfect Tomato Plant To Grow Indoors In Winter In A Window!