In the plum, the stone or endocarp splits into two halves, while in other cases a shutter-like valve is thrown off by the germinating seed. In the North American tupelos (Nyssa), there is one seed ...
You probably individually germinate your seeds first. And for any non-garden nerds, don't worry, we'll explain what germinating is below! There are plenty of different methods for germinating ...
Putting a few seeds on a window sill will keep seeds warm enough to start germinating ... the same kind you’d find illuminating a garden path at night and recharging during the day.