Bonehead said:Isn't that a question of zone appropriateness rather than life cycle type?
Here's a picture of a stand of black eyed susans from 2009:
http://gardens-in-the-sand.blo...
I still have them....
I don't do a thing... They come up from dropped seed every year...
Makes them annuals.
Now...
Zone innapropropriateness would apply if you were discussing Iceland poppies, or delphinium, or pansies.... All of which die in the first year (here)... cannot be grown without time spent in the greenhouse.