Sonora Black-eyed Susan

Clovis, NM(Zone 6a)

I am considering planting a few of these and in doing my research I have read conflicting information. The tag on the plant says its a perennial, however looking at various web info some say annual others say which is it? Any additional information is appreciated.

Prairieville, LA(Zone 9a)

Here in my zone 9a garden, they are short-lived perennials that re-seed freely....they are often referred to as biennials (living for 2 years )

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