I believe she waters 1/2 cup every five days? She uses an app that tells her when to water things. It doesn’t appear to be spreading to other leafs, but it might be growing slowly onto the leafs that are already bothered. I just got it a week ago and haven’t noticed to rapid of a spread among the already infected leafs.
Another vote for WalkScape! I’m doubling my walking time since joining, and it’s feeds the “gotta chop 100 birch trees” part of my brain.