Menu Close

Articles on Plants

Displaying 141 - 160 of 325 articles

During coronavirus lockdowns, gardens have served as an escape from feelings of alienation. Richard Bord/Getty Images

The impulse to garden in hard times has deep roots

What drives people to garden isn’t the fear of hunger so much as hunger for physical contact – and a longing to engage in work that is real.
In the heat, tomato plants can’t fight off the hungry tobacco hornworm, Manduca sexta. From www.shutterstock.com

Crops could face double trouble from insects and a warming climate

Plants have evolved techniques for protecting themselves from heat and insect attacks – but when both these stresses happen at once, one defense may neutralize the other.
Need a handkerchief? Num LP Photo/Shutterstock

Why do onions make you cry?

Like many plants, onions have defenses to ward off creatures that may want to eat them. Their secret weapon is a kind of natural tear gas.
A mast year can be a squirrel’s dream come true. Editor77/Shutterstock.com

Tons of acorns? It must be a mast year

Masting is what biologists call the pattern of trees for miles around synchronizing to all produce lots of seeds − or very few. Why and how do they get on schedule?

Top contributors

More