Bolognese Zucchini This page first published: Oct 12, 2005 · Modified: May 9, 2018 · by CooksInfo. Copyright © 2020Bolognese Zucchini is oval and plump, growing up to 8 inches (20 cm) long. It has light green skin. The plant is a bush type, Cooking Tips It gives good-sized slices for frying. History Notes Bolognese Zucchini originated in Bologna, Italy.