As leaves fall from trees, the sugary sap that was produced during photosynthesis is stored within trunks, branches, and roots. Storing this surplus helps trees survive the winter and allows them to prepare for the following spring. High sugar content protects sap from freezing, but that doesn’t mean that trees are freeze-resistant. Daniel describes the frost cracks that can occur when trees freeze.
Pansies are not weaklings. Casey offers a strong defense of these tough plants that bloom well into the winter with little care or attention. What other plants do you know that keep blooming even into December?