I have tried them in several different places, the one by the mail box blooms every year but has not multiplied. I had maybe eight or ten in a bed, they slowly died back to maybe half a dozen. I moved them to a shadier location, that helped for a while, but I got very few blooms. So I moved a couple and bought three or four more and put them in a sunny location. I now have one yellow gerbera blooming and growing in the sun, and one very small plant struggling in the shade.
Oh, I also now have a fairly new one in a pot, my wife got for some occasion. It nearly died, after the initial burst of blooms, but I did manage to nurse it back, it faded again, but came back, I have been away and I have not thought to check on it since I got back. I will do that tomorrow, I did place it in the shade and we had some rain while we were gone.
Do they need much fertilizer, the one in the pot seemed to love Miracle Grow and I don't use that in the garden anymore.