I think it is Cleome.

I agree with Echinaceamaniac, Cleome AKA spider flower.

Yes, cleome. Someone told me if I had it once I would always have it... but I don't! :( I'll have to sow more seeds next year.

Nice blooms, pretty and different in bouqets, but watch for the little thorn-like spikes! And sticky stems.

Yours doesn't look to be a full bloom head. If you like it, let some go to seed. Maybe you'll have better luck than I did!

Dee

why is it potted.. they grew to 4 to 6 feet in MI ... where it is grown as an annual ...

and eventually dropped so much seed.. that it took years to kill them all ...

i hate this plant.. with the heat of a million burning suns.. or this summer.. like adrian mi heat.. lol ...

ken

ps: and it stinks to boot ... literally ....

I have to agree with Ken that it does smell bad, but personally I love the flowers. I normally mulch pretty heavily so I have never had any reseeding until last year when I got three babies this year.

There is a new cultivar which only gets 2-3 feet tall which is perfect in my garden.