jojoe, Jade Rose is a beauty. Its a good idea to get the one with the smaller chicks. That way if the large one flowers and dies, you'll be sure to have lots of babies to carry on! The ones the lady gave you look like they're doing great.
Semp babies will generally root while still attached to the mother. You can pull them off at any time and plant them. With jovis, the babies roll off on their own and you can either move them to where you want them, or they'll just root whenever they land.