1. Remove lowest leaves and insert in a sterile rooting medium . 2. Petunia cuttings should take root in less than two weeks after insertion into the rooting medium . 3. With it you get 60 so-called bio sponges, a rooting medium for planting one seed per cell. 4. The rooting medium will require washing to remove root debris and accumulated precipitates as well as sterilization before reuse. 5. Most ground-living cacti have only adventitious roots, produced along the stems where these come into contact with a rooting medium . 6. Cuttings should be taken in the spring or autumn, and placed in a humid environment in a free draining rooting medium . 7. Aerated water runs down a channel lined with a film of rooting medium , this is a " nutrient film technique " system. 8. In the case of the trailing or scandent varieties, stems can be taken from the other plant and inserted into the rooting medium . 9. Insert the cuttings 1 to 2 inches deep into a well-draining rooting medium so that two or more nodes are in the medium. 10. It grows in areas of coastal sand, and on rocks as a lithophyte where there is sufficient accumulated material to form an open rooting medium .
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