Keeping this in consideration, how do you stop cactus from growing?
To keep your cactus healthy, you should cut back the plant whenever it seems to be too large. Typically, if you are pruning to reduce the size of the plant, consider cutting back the plant by at least a third each year.
Secondly, can you burn cactus?
How do you kill a large cactus?
Cut The Cactus With An Axe, Chainsaw, Or Pruning Shears
An ax or chainsaw will work better for a large cactus, whereas pruning shears, like these, will suffice for a small cactus. Starting from the top of the cactus, cut off a little at a time until you reach the soil line.
Physical Removal Method
- Don thick gloves and clothing for protection against the spiny parts of the cacti. …
- Cut large cacti with an axe or chainsaw prior to removal. …
- Use a shovel or axe to physically detach the top portion of the plant. …
- Dig out as much of the root system as possible with a shovel.
Cacti are notoriously hard-to-kill plants. They need to be watered once or twice a month and prefer bright light. But don’t place them direct sunlight, because they can actually get sunburnt.