Re: Vic -- Iris virginica --

 

 
>Up to about 4 inches.  Of course, with the absence of rain the water level will decline.  Absence rain, I try to keep  some water >over the soil surface by adding water.   I am not concerned about how high the water is in the tubs as long as some part of the >leaves are above  the water surface.  With a higher water level, one has to water less often to prevent the absence of standing >water.  I donât believe the plants care if the water level is  inch or 6 inches.
 
Vic,
     Thank you.  On the 8 no drain tubs I now have set up, I am having to watch the water level some due to extremely dry air again, but there are signs of rain returning which will help.
 
Mark A. Cook
b*@bellsouth.net
Dunnellon, Florida. 

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