Due to popular demand, we are offering another session of this free webinar. Led by naturalist and conservationist, Michael Wojtech, you'll learn to identify tree species by their bark and discover why such a variety of bark characteristics exist. Why do some species have smooth bark, while on others it is thick and broken? Why does bark peel? Join us to find out!
A plant that generates heat and attracts pollinators with its stink? Learn more about skunk cabbage in the Arnold Arboretum’s newest winter Wonder Spot, at the Arboretum meadow’s edge or online. Free and open to all.
Center for Astrophysics | Harvard & Smithsonian—Online
The first person who will set foot on Mars is alive right now. We believe this, but even if we're wrong we know the first crew to arrive there will look nothing like the ones that landed on the Moon fifty years ago.
Our world has changed for the better, and ASTRONAUTS tells the story of the women who built this better world. The main character and narrator is Mary Cleave, an astronaut you may not have heard of. It's not because so many people have been to space; only a few hundred have! It’s because this graphic novel isn’t about fame. No astronaut you'll ever meet took the...
Dana Greenhouse, Arnold Arboretum, 125 Arborway, Jamaica Plain, MA 02130
Learn about seed biology, embryo dormancy, and factors present in woody plant seeds. The class will focus on seed storage and various treatment techniques, including over-wintering and aftercare. Appropriate for those who have succeeded at growing some plants from seed and are ready for greater challenges. Post-class nurturing will be required. Fee $55 members; $68 non-members.
Hunnewell Building Lecture Hall, Arnold Arboretum, 125 Arborway, Jamaica Plain, MA 02130
If you enjoy learning about plants and their unique characteristics, you can contribute to science as a participant in our Tree Spotters program. This citizen science project opens a window into the Arboretum's phenology: the timing of natural events, such as the leafing out and flowering of trees in the spring and changing foliage colors in the...