Yep all those variables! I also tend to agree with the no fertilizer thing. Depending on the fertilizer (and no after watering), that could even 'burn' the roots dead creating a permanently dry'd up plug.shadowulf said:I had a talk with one of the senior park managers in my area about plugging. For our area, he recommends to keep it as small as possible ajust press the plug in when done. No fertilizers or special treatment. This area has too many variables to contend with. But j did not get the third degree or a scowling look. He was friendly and even said good luck.
The depth of the target will determine the dia. of the hole.
For a few inch deep target, i use a smoothed out screw driver to probe any pry out the target. Just about minimal to no damage to the turf.
On the other hand, the foot+ deep coins (and nails :angry i've dug up obviously required a large dia. hole. The trick here is to make it look like no hole was ever dug.
I typically spend more time re-plugging those deep holes than digging and retrieving the target.