I don't.

In fact, before I saw your post, I was over on the John Deere site to find out which in their line of (multipurpose) greases is the best or most highly recommended.

It's poly (polyurea),

https://www.deere.com/en_US/parts/ba...se/grease.page

Grease confusion

The comment about frequency of fresh grease is probably a good one. No reason you can't use the poly as frequently as any other.