Observe

Observe the change in six weeks or so.
Then, the ferns were all dead and this area looked shocking.

It makes me happy that they are flourishing, and that's got to be a good thing:)

“You’ve had, since the beginning of January to do this. And when the situation got serious in Taiwan, they created a national unified command I think on January 20. Eight weeks ago.
“Nothing like that was done here. There was no public education campaign. There was no mobilisation of the people. The state governments did not sanitise and disinfect the transport systems. And people would go around saying that as recently as on Friday your PM was saying nothing to see here. Social distancing next week. Everybody go out and it’s not a problem.”
Bill Bowtell  Q & A