Richgreen Zucchini This page first published: Mar 31, 2005 · Modified: May 9, 2018 · by CooksInfo. Copyright © 2020Richgreen is an F1 hybrid zucchini that is cylindrical in shape, with very dark, glossy green skin. The plant is a compact bush type. History Notes Richgreen Zucchini was developed by the W. Atlee Burpee Seeds Company. Released 1982.