Double Sided Foliage Normals Not Rendering Correct?

Hey all… I’m working on some grapes in UE4. I am using planes and have the material set to double sided but the back side of the normals isn’t correct. It looks like the green channel is flipped… I can flip the green channel in UE or PS but then the front is messed up. How do I get these to render correct on both sides?

You can see the geo spheres above for reference.

SOLVED:

This was my solution… I used the TwoSidedTexturing node to apply a -1 multipled normal map.