Can anyone tell me why my Reg TB Irise want to go underground ? I plant their Rhizomes above ground when I get them & Within 1-2 yrs they are underground . its as if a critter is pulling them down in the ground ???? Not all do this but i have had a few do this .
also witch one is it that Like to be in a pond ?? Japanese, Sibrian, Lousiana, ???? & How do you know for sure ??
