- You Will Get 50 Seeds Of Round Zucchini Summer Squash Cucurbita Pepo Vegetable Seeds. - Description: - Name: Round Zucchini Summer Squash. - Scientific Name: Cucurbita Pepo. - Color: Green Speckles. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 24 - 36". - Plant Spacing: 36 - 48". - Harvest: 45 Days. - Light Requirements: Sun. - Soil & Water Preferences: Average.