What is happening underground? Your test garden is a springboard to discovery. How will soil temperatures affect plant growth? This month begin temperature investigations in the garden. Spotlight on a squirrel-proof garden.

Today's Report Includes:

• Investigate: Soil Temperatures
  
• Spotlight: Squirrel-Proofing in Texas
  
• Explore: Maps

On a warm day in January, Tennessee third graders reported, "The soil temperature was 14.0° C, and the air temperature was 29° C. No wonder many of our tulips are starting to peek out from the soil."

Design your own investigations to explore how soil temperatures affect plant growth.

• Experiment: Soil Temperatures
  

Soil Temperatures

After only 3 out of 250 tulips planted last year survived the squirrels, teacher Phyllis Swinney had a new plan for this year's Test Garden. She and a group of volunteers pre-treated their bulbs with an "organic squirrel repellent."

• St. Mary's Hall Garden

Photo: Phyllis Swinney
Squirrel Proofing

Across the Northern Hemisphere our tulip investigation now has over 390 garden sites. Keep your eye on your gardens and report when you see the first signs of bulbs emerging.

Journal

The Next Tulip Garden Update Will Be Posted on February 14, 2013.

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