My XKCD Garden is looking pretty good

I’ve been tending an XKCD garden for the last week or two. The URL is

This is what it looks like currently

I had a bunch of Washington Monuments so I did some pruning. It looks pretty busy right now so maybe I should do some more pruning.

I’ve done some pruning but it looks like things in your garden die after some time

It still loads even after 6 months. I wonder if he plans to maintain however many thousands of these he has forever or if at some point he’ll shut them all down?