Oh, and I think the last line is very important, because it tells that he didn't magically make winter go away. The snow was still falling, but his "garden" flourished anyway; winter suddenly wasn't so bad anymore. It's about changing yourself to be happy with the circumstamces that you can't change, and once you've done that, you might discover that Winter is beautiful in its own way.
Oh, and I think the last line is very important, because it tells that he didn't magically make winter go away. The snow was still falling, but his "garden" flourished anyway; winter suddenly wasn't so bad anymore. It's about changing yourself to be happy with the circumstamces that you can't change, and once you've done that, you might discover that Winter is beautiful in its own way.