I tapered my holes out at the bottom with a hand post-hole digger and added a half bag of dry readi-mix concrete around each poles before filling up the rest with dirt. They have held sturdy so far (about 5 years). We have had 5 inches of rain in the last 2 weeks (over half of that last night and this morning, and more is on the way! Where are you in central Indiana? I am about 30 miles west of Indy.

Last edited by RAH; 06/22/10 12:01 PM.