Best answer

Spread milky spore granulesover the infested area at a rate of 1 teaspoon for every 4-by-4-foot square. Water the area well to encourage settling. Milky spore is a bacteria that kills grubs but leaves other organisms unharmed. Do not apply repeat applications of milky spore; one application can last between 25 and 40 years.

People also ask

  • How to get rid of grubs in the garden?

  • You can also use neem oil for grubs in the garden. It is very popular among organic gardeners being a natural and healthy pest control home remedy. Make a natural grub repellent spray by combining 2 tablespoons of neem oil, 2 teaspoons of liquid soap, and a gallon of water.

  • What are grubs and how do they harm plants?

  • Grubs harm plants by attacking roots, stems, leaves or fruit. They can be difficult to eradicate from lawns, gardens and flower beds. Control in planter boxes is easier due to the ease of replacing soil, and it can be done without the use of potentially harmful pesticides.

  • How do you use beneficial Grub nematode spray?

  • Add the contents of a packet of beneficial grub nematode to a 5-gallon bucket of water and stir to break up any clumps. Allow the solution to soak for 3 to 5 minutes. Pour the nematode solution into a spray bottle or water can.

  • What is the best fertilizer to kill grubs?

  • Answer 4: I have been very successful controlling grubs by using only organic fertilizer once in the fall and once in late winter, says another reader. Synthetic fertilizers tend to kill beneficial nematodes. The best fertilizer I have found (I have tried a lot) for lawns is Plant Tone.