François André Michaux, “Cotton Wood,” from The North America Sylva, 1817–19.

Plant of the Month: Poplar

Poplar—ubiquitous in timber, landscape design, and Indigenous medicines—holds new promise in recuperating damaged ecosystems.
Arachis hypogaea, Warren Delano collection of Chinese export paintings of fruits, flowers, and vegetables, ca. 1794–1852, Botany Libraries.

Plant of the Month: Peanut

The peanut, a natural hybrid of two species, originated in Bolivia. It now plays a critical role in food cultures around the world.
Illustration of Drosera arcturi

Plant of the Month: Sundew

Beautiful but deadly, the carnivorous sundew has long fascinated amateur and expert botanists alike—and may possess untapped medicinal value.
Hyacinthus orientalis

Plant of the Month: Hyacinth

A 2021 shortage of hyacinth bulbs brings to mind the long and storied history of its botanical and economic import.
Site of Thoreau's Hut, Concord, Mass

Using Thoreau’s Notebooks to Understand Climate Change

Thoreau's time at Walden Pond has provided substantial data for scientists monitoring the effects of a warming climate on the area's plant life.
Cretan rockrose

Plant of the Month: Cretan Rockrose

Cretan rockrose has been used as a medicine for millennia. Its unusual harvesting methods were documented by the ancient historian Herodotus.
Alpine Chickweed

How Does the Warming Arctic Impact Plants?

For flowering plants in the Arctic, cold temperatures don't mean death. But warmer temperatures might.
Illustration of Cassava

Plant of the Month: Cassava

Cassava can grow in hot climates with little rainfall. It may be the "root crop of the century."
Andean ritual with coca leaves

What Coca Means in Peru

Coca has a long history of use in Peru: for sacred ritual, economic productivity, courtship and celebration of life events.
An illustration of flowers and weeds

A Weed is but an Unloved Flower

"Whatever Otherness weeds may possess, it is an outcome of human artifice.”