Journey North's Study of Plants, Climates, and the Seasons

How are plants affected by climate and the seasons? In this large experiment students across the Northern Hemisphere track the growth of the same plant as the seasons change from winter to spring. They discover how temperatures, sunlight, geographic location, and other factors influence plant growth — and the full array of seasonal changes that take place in the springtime. These observations set the stage for a better understanding of the impact of a changing climate. (More...)

Track the Arrival of Spring
(See Timeline)

Get Started
Background information about the tulip study.

Spring
Fall

North America
(Map/Animation/Reports)

Eurasia
(Map/Animation/Reports)

News

February 4 , 2010:
tulips emerging/maps/ shared photos/exploration: Why are your tulips emerging and mine aren't?

Enjoy!
Booklets, pictures, and slideshows for students

Explore
lessons and information for the classroom

Questions
most frequently asked

Classrooms in Action:Teachers Share
This Month's Featured Slideshow: Maps - Tools for Predicting When Your Garden Will Emerge: Study a sampling of maps and find out how they might help you predict when spring will arrive across the Northern Hemisphere.