Kathy, A Heucherella is a cross between a Heuchera & a Tiarella.
Carolyn, I live on an acre and have a third of an acre of beds. I had over 200 Heuchs. Don't know how many I have now, maybe 160.
Here's a good source for the nematodes and other beneficial bugs.
http://www.arbico-organics.com...