By our calculations, you should look at sowing Black Jack about 42 days before your last frost date.
By our calculations, you should look at planting out Black Jack about 14 days after your last frost date.
Archaeologists have traced the origins of courgettes to Mexico , where they are thought to have been developed from the giant pumpkin (Cucurbita maxima) sometime between 7,000 to 5,500 BCE, and were an integral part of the ancient diet of maize, beans and squashes. That pre-Columbian food trio is still the mainstay of Mexican cuisine and is known today as the “three sisters”.
The first conquistadores brought pumpkins and other squashes back to Spain , where they were given the name calabaza, a word of Arabic origin meaning “gourd”; calabazin is the diminutive applied to courgettes. The Catalan names carabas and carabasò are similarly derived. The Latin word cucurbita and the Late Latin word cucutia.both mean “gourd”. Their derivatives are the Old French word cohourde and thence the modern French word courge, and the modern Italian word zucca, which also apply to squash, and from which come the diminutive names courgettes and zuchinni.
Both hybrid and non-hybrid (OP) varieties of Zuke by this name are in existence.
Courgettes belong to the Cucarbita family, native to the Americas . The colonists of New England adopted the name squash, a word derived from several Native American words for the vegetable which meant “something eaten raw”. George Washington and Thomas Jefferson were squash enthusiasts who even enjoyed growing them.
Zucchini, Courgette