Garen's in a pretty bad spot right now.
According to lolalytics.com:
Top Garen's Wordwide 47.37% Win Rate
Analyzing 513 games played by the top 133 Garen players worldwide over the last 7 days. The average rank of the top Garen's was Diamond V.
Taking into account win rate and summoner rank Garen is ranked 134 amongst all champions in the hands of an expert.
Maximum 50 summoners are used per region with a minimum of Diamond V and 50 games played on Garen to be eligible.
Further corroborating this is the data from Champion.gg. Garen's Plat+ Win Rate is 47.5%, on a mechanically easy champion. Garen's winrate and playrate continue to fall.
Considering the top Garen players in NA are D4/D5, I'd say the champion is in a VERY weak place right now.
Garen's kit is just so limited! Please consider adding a little bit of complexity to his kit, so he has the chance to outplay his opponents!