It's my understanding they can hybridize somewhat on their own, especially
as they get older.

Dave

"Judy Cosler" wrote in message
...
My purple coneflowers look particularly pink this year. is this due
to nutrients? or am I misremembering & it's really the cultivar? are
some more purple than others?

also, are these annuals that act like perennials (as black eyed susans
are) or are they true perennials?

TIA, Judy

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