Keren was mentioning Victory Gardens back during the war, and this would be a good time to start up one.
↓ Transcript
Panel 1
Keren: Andrea was saying her son, James, is itching to keep himself busy.
Errol: The other son was sending me puzzles to beta test.
Panel 2
Keren: So I thought he could make garden boxes for us.
Errol: That's the royal us, right?
Panel 3
Keren: They could go between the tamarack and cedar trees.
Errol: Riiight... that'd be perfect...
Panel 4
Keren: You don't know what those are, do you?
Errol: There's only three trees. I may be able to deduce it!
Keren: Andrea was saying her son, James, is itching to keep himself busy.
Errol: The other son was sending me puzzles to beta test.
Panel 2
Keren: So I thought he could make garden boxes for us.
Errol: That's the royal us, right?
Panel 3
Keren: They could go between the tamarack and cedar trees.
Errol: Riiight... that'd be perfect...
Panel 4
Keren: You don't know what those are, do you?
Errol: There's only three trees. I may be able to deduce it!