By Poppylinda
leicestershire,
United Kingdom 
I have a collection of Heuchera and have just noticed black spots on 2 of them.....what is this, are they prone to disease?
27 Jul, 2014
Answers
Thanks marjorie l have done that it was most useful.
1 Aug, 2014
Previous question
« What do you think will look nice in my two empty pots. Thanks
This is possibly Heuchera rust caused by a fungal infection.
There is more information on the RHS site. You can google it. Hope this helps you.
Marjorie
27 Jul, 2014