St. Petersburg's annual Arbor Day Celebration, the Green Thumb Festival, brings together plant and flower lovers, as well as, individuals and families looking for a fun weekend activity. With more than 120 garden, plant and flower vendors and…

Celebrate Arbor Day at St. Petersburg's 38th Annual Green Thumb Festival. Festival Activities Include: The Tree City USA Award + the Green Thumb Annual Awards Garden Club of St. Petersburg Flower Show on Saturday from 9 AM - 4 PM Sunday from 9 AM…