One-click to achieve a lush and dense hedge look for archviz with D5 Render 2.4. You can scatter hedge models from the D5 Asset Library on a chosen material to fill it with vegetation and avoid leaving a gap.
Download this scene to try the hedges: https://bit.ly/3nmZYXk
Download D5 Render for free: https://bit.ly/3LQY0Fm