I wanted to test out a material i created for vegetation (leaves, etc.) for some tree and bush models i’m making so i created a quick tall grass mesh and applied it to my landscape test via the foliage editor.
The shader uses subsurface scattering and a displacement mask for the movement but i plan in tying it into the wind controller.
Watch in HD
http://c-mediasolutions.com/share/ue4/grass01.jpg
It looks great! 
Edit: Sorry for the 2 month late reply 
Looks awesome, nicely done!
Thanks for the kind words, i never really got around to doing anything else with this scene, i was basically just testing some materials but it came out well.
I may eventually put these assets to use in a future scene though.