1. I will suggest the method of grafting to him.
2. Grafting enables us to combine the most desirable characteristics of two plants into a single plant with colourful flowers and big fruits.
3. By grafting method, a very young scion can be made to flower and produce fruits fast when it is grafted to the stock.
4. Vicky’s father can grow one of the two plants as stock and second plant can be graft to some of its branches as scions.
5. Then he can get the plant with both the desirable characters.