What would happen if shrubs and bushes didn't grow in the soil?

How can I effectively kill grass in a flower bed? Will basil grow back from its stem if cut? What is the species identifier for Quercus phellos? How should I prune a snake plant to ensure its healthy growth and longevity? How many mangrove trees are there? What is the best fertilizer for cedar shrubs? Where did the elm seed bug come from? How does the venus fly trap help the environment? How does adding lime to acidic soil help plants grow? Why do boxwoods turn yellow and how can this issue be resolved? How can I ensure the privacy of my outdoor space with the use of emerald green arborvitae? Are flower names capalized? What is a leaf's rib called? Can sulfameth get rid of poison oak? How long do rose petals last? How can I effectively revive a peace lily plant that is wilting or struggling to thrive? What is incomplete flowers? Do zebras hunt for their own food? What mulch works best against weeds? What is the stem type of a palm tree?