Tracking A Sign of Spring Springtime events occur at different times in different places. Track Test Gardens to discover how different climate conditions affect plant growth. Tracking a Sign of Spring Tracking a Sign of Spring Signs of Spring Signs of Spring When is Spring? When is Spring? How Does Climate Affect Plant Growth? How Does Climate Affect Plant Growth? Tulip Test Gardens Tulip Test Gardens Tracking the Spring Season Tracking the Spring Season Dig In! Dig In! Companion Resources Journal Teaching Resources Driving Question How do Earth's different climate conditions affect where, when, and how plants grow?
