Sandy I have a rule. If I find it cheap I will buy it and give it a chance. If I am not sure I do not pay full price. The one plant that almost had me living in a dog house and drinking rain water was Heucheras.
When they first came out I was paying 20.00 and they either died before summer was over or dead a door knob by the end of winter. I then read they liked morning sun. Got the sane dead results, Then I read they needed good drainage, I tried that again ended up with dead plants. After hundreds of dollars of dead plants I discovered the zone 4 - infinity is just not true.
This was from a local nursery.......
"Unfortunately many of the varieties that have been introduced in recent years grow well under nursery production conditions but quickly fade away under garden conditions that involve stress
