because when the plant is there then the weed will practically take all the nutrients and eat up the plant =)
It does not actually kill actively growing weeds but it can be used as a natural way to prevent weeds.
Usually mulch is used to cover areas where weeds grow. These weeds, if allowed to grow, will typically sap nutrients away from your desired plants. Using mulch will actually help your plants stay alive if applied correctly to stop weeds from growing and choking the roots of your plant. As long as you don't smother your plants with mulch, it should not kill them.
Herbicides are designed to kill unwanted plants, known as weeds. They can target a wide range of plants, including broadleaf weeds like dandelions, grassy weeds like crabgrass, and even woody plants like shrubs and trees. The specific plants that a herbicide will kill depend on the active ingredients and application method used.
There is certain types of grass that kill plants, but normal yard grass will not, it also depends on the plants. But usually its the weeds that kill the plants, not the grass.
because they kill plants which want to grow
Miracle-Gro is a fertilizer and not specifically designed to kill weeds. However, if not used properly, it can promote the growth of weeds along with desired plants. To kill weeds, a weed killer specifically designed for that purpose should be used.
Salt can temporarily kill weeds by dehydrating them, but it can also harm the soil and surrounding plants if used in excess. It is not a permanent solution as weeds may eventually grow back.
Selective weedkillers will only kill the targeted weeds. Total weedkillers will kill all green plants. Therefore if the weedkiller does not kill grass but other weeds in the grass, it is a selective weedkiller.
Boiling water can effectively kill weeds by pouring it directly on the weeds, which will cause the plant cells to burst and die. Be careful not to pour the boiling water on desired plants as it can harm them too.
Salt water kills most plants!
It is possible that bind weed or other plants could kill hostas. Black walnut trees also will kill hosta or other plants that try to grow near them.
No.