What: Acorus gramineus, or “Ogon,” is a striking chartreuse striped grass-like foliage of sweetflag makes it easy to use in the garden. It is versatile and can be used as an accent in the ...

I stood at the edge of the IDEA Garden and searched for color. This clump of acorus grass stood out brightly. Acorus gramineus "Ogon," better known as Japanese sweet flag ...