Nature Nook – Catkins Field Guides > Catkins Lets meet our most common catkins Hello! In this guide, we will introduce you to some of our most common catkins and help you learn a little bit about them. Are you ready? Let’s get started … Alder Alder Birch Hazel Hazel A little bit about catkins Did you know catkins are actually flowers? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading...