It depends on the size of the pot.
30-1/2 inches of soil in a 6 inch pot.
about a cup of 7 or 6 and a half inch!then water the pot and put it in the sun and let it grow.
Well you need soil in the pot and you need water so it can grow plants need a lot of sunshine but not a lot of sunshine...
If you need to fill a plant pot with soil, you can do so by using it on any farming patch that doesn't need weeding.
a pot and soil and what they need the most is water.
You need to put one seed in a pot of soil and place it in a room where there is no light and place another plant in a pot without soil and under a window as there are a lot of light. After a few days, you will see that the seed in the soil pot light will germinate, and you can conclude that a seed does not need light to germinate but need soil.
Soil
They need to be started in a wet napkin. When they start growing leaves/stems then plant in a pot with soil.
It would make the PH of the soil less acidic. Begonias need soil averaging 5.6 PH.
you could have a plant pot with a hole in, stones. soil or sand plant water area.
The mix I use to pot my orchids in is about 50 percent activated charcoal.
better with soil