种子播种在室内的箱子里，半英寸深的土壤里，暖和的气候是必要的。当植株生长到第2颗叶子时移植，霜冻的危险过后，置于室外，大约需要8-10周时间，植株开始生长。

Sow seed half inch deep indoors in a box in a sunny window or in a hotbed。 A warm temperature is essential。 When the plants have their second leaves， transplant or thin to 2 inches apart。 After danger from frost is past， set outdoors in rows 3 feet apart and 2 feet apart in the row， but before doing so， harden the plants gradually exposing them to the outdoor air for about a week。 It requires 8 to 10 weeks to grow plants ready to set out。