Arbor Day Leon County To Celebrate Arbor Day With Tree Planting Event By Sara Hetherington • Jan 12, 2018 iStock Leon County is offering a tree planting event to celebrate Arbor Day next Saturday. Despite Severe Weather, Local Arbor Day Effort To Replant Trees Remains Success By Sascha Cordner • Jan 23, 2017 City of Tallahassee's twitter Despite this weekend’s severe weather, more than 130 newly planted trees stayed safe at Lafayette Park.