Attached Link: Looping_wind_effects_on_plant.zip [ limited time ]

Hi all, 

Also here an idea... 
try animate wind through atmo tab. 
A key at start and a key at end with different values, 
then load/edit smooth pendular filter.  
Feel free to open the vue infinite scene added (see link) to figure out the trick.
Hope that help.

Regards.

Philippe Bouyer
www.belino.net