Get Ready!
January 8, 2015

Get ready to track the greening of spring! Gather your observations, questions, data, and garden profiles all together in a journal.

First Are Emerging
February 6, 2015

The first tulips of 2015 have emerged. Find this early-growing garden on the map. Predict where tulips will be sprouting next.

Map Showing Green
February 13, 2015

The map is speckled green with emerging gardens. Look for a pattern and predict which gardens will be the next to turn green.

Snow and Bloom
February 20, 2015

The first garden bloomed this week while snow and cold continued to blast across North America.

Making Predictions
February 27, 2015

With more snow and cold on the way, will gardens emerge on schedule?

Starting Slow in March
March 6, 2015

Few gardens emerged this first week in March. Next week's warm-up should bring a flood of green to the maps.

Daylight Increasing
March 13, 2015

Daylength is increasing. The sun's rays are heating up the soil. Many gardeners are waiting and watching while others are celebrating beautiful blooms! 

Equinox!
March 20, 2015

It's the equinox! We have twenty-seven newly-emerged gardens to celebrate on the first official day of spring.

Is it Spring?
March 27, 2015

Did someone say it was spring? Some Test Gardens are still under snow and others are blooming, but most are somewhere in between. 

April Gardens
April 3, 2015

It's April and signs of spring are all around us. Find out where tulips are emerging and blooming.

How Does Yours Compare?
April 10, 2015

Since last week, twenty more gardens reported emerging tulips and 19 others observed first blooms. How does your garden compare with other locations?

Experiment Results
April 17, 2015

Last fall's experiments in the Test Garden are now under review and revealing interesting results.

Hardy Gardens
April 24, 2015

Despite the wildly fluctuating temperatures of springtime, hardy Test Gardens are growing strong.

May Day!
May 1, 2015

May Day is here! Time to celebrate in schoolyards across the Northern Hemisphere.

Bloom Investigations
May 8, 2015

Tulips are blooming all around. Northern gardeners, still waiting for blooms, are hopeful now that springtime weather has arrived.

Celebrate!
May 15, 2015

Sunlight is long and strong up in the northern latitudes and plants are responding. It is time to celebrate what you've learned in the Test Garden!

Archives

Explore previous seasons:

• Spring 2015
• Fall 2014