Dahlias do not return
Arnold Trachtenberg (Thu, 04 Jun 2009 17:21:53 PDT)

I've grown Dahlias in full sun here in New Jersey.

Don't ever recall any problems with full sun or temperature.

I have also grown the species Dahlia coccinea in full sun.

Our weather here gets up in the high 90's and full of humidity.

Arnold
New Jersey