On Sun, 17 Jun 2007 21:24:43 -0700, Jack Schmidling wrote:
I am curious about this one. Is it a happy plant issure or are you
saying one can save energy this way?

You can probably save a smidge that way (if you're dousing the roots with
cold water, it takes a root zone heater a bit more to heat the soil again),
but mostly it's a happy plant thing, especially with seedlings.

Kay