Exceeding biologically determined ranges of acceptable temperature is the way that hot water kills weeds. All plants move through their life cycles and natural histories in response to certain high and low limits to heat, light, moisture and nutrient exposures. Hot water, by breaking down cells and organs remains an effective torture and treatment for life on the third planet over from the Sun.
Yes, hot water can kill leaves, grass, and yard weeds.
pour HOT HOT water on them
It may but it won't kill the weeds. It the same way hot water burns you if you get scalded by too hot a water supply from the spigot. Grass seed has a heat limit or it cooks and kills the baby.
Applying boiling hot water, bulldozing or roto-tilling followed by solarization with weighted-down black plastic sheeting and planting of dense ground covers, and removals by gloved hand or garden tools are ways to kill weeds without affecting well water.
Grass will not grow wild and kill weed in hot or cold environments. Weeds will often choke out healthy grass in any temperature.
Salt water kills most plants!
No this does not kill weeds, It will only kill insects.
boiling water or fire will kill just about anything.
To kill weeds with Tipp-Ex just brush it over the weeds.
I know for sure hot water kills germs
It does not actually kill actively growing weeds but it can be used as a natural way to prevent weeds.
The most impact is achieved by pouring water that has reached at least its boiling point over weeds. This strategy may take a couple of applications. And remember that perfectly acceptable grasses and herbaceous plants may be killed in this way too. So it's important to direct the stream.