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Cutworms have the worst effect on younger marijuana seedlings. These pests can completely destroy them in just one night. They are a part of some moth species.
Cutworms are around one to two inches with soft bodies that are brown or gray in color. Some may have stripes or spots and have a tendency to curl into a ‘C’ shape if you touch them.
Cutworms feed on the leaves of your plant, making them quite harmful. The good thing is they are very easy to get rid of.
Signs of cutworms
Cutworms like to attack the weaker, more vulnerable marijuana plants. They prefer to sneak around during the night or in dark areas because they are light sensitive. Pull up a few inches of loose soil around the damaged plant and if you see little tiny balled-up rolls, then those are likely cutworms.
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These pests curl around the bottom of seedlings and chew through the stems, basically beheading it. You can identify the presence of cutworms when you see the tops of your seedlings laying on the ground. It will look like they were just cut off.
How to get rid of cutworms
There are some things you can do at the time you are planting to ward off cutworms. Till your soil to reveal any cutworms. Make sure your garden has no grass and weeds when planting seedlings.
Planting sunflowers near the borders of your garden will serve as a source of attraction for pests like cutworms and keep them away from your marijuana. If you ever see cutworms on the perimeter where your sunflowers are, immediately eradicate them. One way to get rid of cutworms is by drowning in a bucket filled with water and soap or gasoline.
A commercial product like Bug Blaster will always to the job. If you want to be sure to kill them all buy something like Bug Blaster.
Parasitic wasps and frogs will eat these things up. Mulching your planting site will welcome frogs during the night and they will eat cutworms, as well as all other pests who come out at night.
One easy way to get rid of them is by going out at night with a flashlight and simply removing them yourself. You can also sprinkle cornmeal in your garden too. Ants, fleas, cutworms and the like will feast on this but will fail to digest it, which causes them to swell up and die.
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List of marijuana plant sypmtoms
- Tops of the seedlings look like they are cut off
- Cutworms appearing as little round gray or brown balls in the soil
- Older plants are titling over and wilting
While cutworms can potentially be damaging to your plant, they are also very easy to remove. Don’t let the suckers kill your precious plants. Get them before they become a problem, or else you can kiss your plants goodbye.
Remember that plants with strong genetics have less change of getting sick and are less vulnerable for pests and diseases. So make sure to buy marijuana seeds from a trusted seed bank.
Thanks for reading. Please leave comments or questions below and don’t forget to download my free grow bible
The founder of I Love Growing Marijuana, Robert Bergman, is a marijuana growing expert that enjoys sharing his knowledge with the world. He combines years of experience, ranging from small-scale grows to massive operations, with a passion for growing. His articles include tutorials on growing... [read more]