Over at Atlas Quest, a suggestion has been made to designate May 24th
as National Day of Letetrbox Planting (the specific day was chosen
because it is also National Scavenger Hunt Day). The challenge being
put forward if for everyone around the country to plant a letterbox
that day. However, since it lands on a Wednesday, it will be to post
your clues on the 24th, regardless if you plant the box(es) the weekend
before or whenever.

Okay, since I started writing this letter Aahz has already launched a
"Santa Clara"-centric version of the day, which would be great to
support. However, if you can't get to Santa Clara County between then
and now, please consider planting something nearer to home.

-- Princess Lea