In article ,
Janet wrote:

SC needs to be planted in a grid pattern to ensure good (wind)
pollination, and being so tall it casts quite a dense shade so I don't
see lawn grasses surviving beneath it for long. ...

A light shade, actually, unless you plant it VERY densely! It is
commonly underplanted with cucurbits, and that works well. What it
will do is to take all the water (and, being a dry terrain plant,
it's quite good at that).


Regards,
Nick Maclaren.