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I had them last year in my garden and I can’t remember what those flowers are called. I’ve also seen them with orange petals and purple centers. They kind of look like shasta daisies. The one thing I know for sure is that it’s not a cone flower.
they aren’t gerberas, cause they don’t come like that

You seem to be describing a daisy. Another option could be aqualegia. hard to say with the detail provided.