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Plants, like people, have a circadian clock and they sense seasonal changes to light and temperature. Plants that bloom in the spring use the longer days and warmer temperatures as seasonal cues that ...

Add Yahoo as a preferred source to see more of our stories on Google. Sunlight shines through a veil of willow tree branches next to Washington Park Lake on Monday in Albany. Willows are among the ...

Knoxville's famed dogwood trees typically bloom in late March or April. The first day of astronomical spring is March 20. This most recent cold front swept through East Tennessee on March 16. Snow ...

There are plenty of places across the city to see cherry trees in bloom this year. By Alyce McFadden and Andy Newman After a long winter, spring is in full swing, and with it the cherry blossom season ...