(Image from: https://hudsonvalleyseed.com/products/black-beauty-zucchini?variant=31280942055469)
Growing Instructions for Black Beauty Zucchini:
Start indoors 2-3 weeks before last frost or sow outdoors after last frost. Sow 2-3 more times at monthly intervals for fruit all season. Zucchini tolerates moderate soil fertility and dry conditions. Plants grow to 3' high and 3' across. Harvest fruits often at young stage for best eating and highest yields. Bush habit.
(from Hudson Valley Seed Company website)