If you have swaying plants throughout the aquarium, then you have adequate flow to help bring the nutrients to the plants and keep algae from growing on the plant leaves.
The Jungle Val are one of the plant exceptions where it can bend over from the flow because it helps keep the Val underwater rather than breaking the surface and growing out the water. If you have swaying plants throughout the aquarium, then you have adequate flow to help bring the nutrients to the plants and keep algae from growing on the plant leaves.