Hi Deborah, 

Thank you for your submission! Because questions are handled by staff and volunteers with different areas of expertise, please ask one question per submission as this will expedite the responses. I am happy to help with the nutsedge questions, but please re-send your questions about fertilizer and Creeping Charlie.  Thank you!

As for nutsedge, there is a lot of helpful information on this UMN Extension page: https://apps.extension.umn.edu/garden/diagnose/weed/idlist.html#Sedge (Scroll down to the "Sedges" link). You can remove the sedge by hand, but chemical control strategies may be easier and more effective. There are specific options linked in the article. If using a herbicide, remember to always read the labels prior to use and follow the directions attached to the container you are using - the label is the law. 

I hope this helps, and we look forward to your other question submissions!