My first thought was Asparagus Fern (Asparagus densiflorus 'Sprengeri') They are invasive here in my part of Florida and it's very hard to dig them out so the ones I can't get out I always cut back as far as possible to the ground and that photo looked a lot like when they re-sprout .... but when I enlarged and looked closer at your photo it does look more like emerging Balloon Flower - Platycodon: http://garden.org/plants/brows... but as soon as you get a little more growth you should know for sure.
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!
