Here's a very prickly addition to my volunteer sunflowers along the fence. Starts out in bud that is brilliant orange red then flowers with golden dandelion-like petals with that orange in the middle and then the orange disappears.
The have no fragrance.
Do you have birdfeeders...???? All sorts of mysterious things come up from birdseed. My girlfriend has corn coming up in her flowerbeds courtesy of the birds and you should seed the odd plants that sprout in my gardens. I have feeders everywhere!!!