drsolo wrote:

in the frozen tundra of zone 5 (going on 6 due to global warming) more
than
18" -24" is too deep. it takes too much energy and too long to bloom as
it is. Ingrid

I disagree, and my Ontario pond proves it. It's a little warmer than
Wisconsin, but not much.
--
derek
- Unless otherwise noted, I speak for myself, not rec.ponds.moderated
moderators.