Gardening Question: How can I propagate a Mandevillia? Gardening Interview QuestionAnswer: Sow seeds at 64-73 degrees Fahrenheit in the spring. Root softwood cuttings in late spring or semi-ripe cuttings with bottom heat in summer. Previous QuestionNext QuestionA friend wants to start a grape vine from a set of vines growing at his mother’s house. Should we start from seeds, or would it be best to take cuttings of the old vines?I’ve noticed that the ‘Marguerite’ and ‘Blackie’ cultivars of sweet potato vines are readily available in the trade. Are the swollen underground roots of these cultivars edible like a “normal” sweet potato? Can you propagate the sweet potato from these roots?
