9. Helpful Plants
Along with introducing helpful bugs into your garden, you can add some helpful plants to help get rid of aphids. Some of the plants that can keep aphids away from your garden include catnip, mustard, oregano, dill, fennel, clover, nasturtium, garlic, and chives.
The strong odor of garlic, oregano and catnip attract beneficial bugs, which in turn keep aphids away. Plant these herbs near lettuce, peas or rose bushes.
10. Organic Fertilizers
Do not use fertilizers high in nitrogen in your vegetable garden, as it promotes aphid reproduction. In fact, these tiny insects are attracted to plants with high nitrogen levels.
To prevent high nitrogen levels in your plants, it is recommended to use compost or organic fertilizers. These fertilizers release nutrients slowly and hugely benefit your plants.
Organic fertilizers are also beneficial for the environment.
- Simply spraying the juice of onion or garlic on the infested parts of the plant can also help control aphid infestation.
- People also use horticulture oils like cottonseed or soyabean oil to kill aphids. To use, combine 1 cup of horticulture oil and 2 tablespoons of liquid castile soap, dilute with plenty of water, then spray on the infested plants. Horticulture oils, however, it may kill the good bugs as well. Plus, under certain conditions it puts the foilage at risk of burning.
- Thoroughly check around your yard or property before planting your vegetables to see if aphids are already present in the area.
- Grow plants inside or under a cover until they are large enough to be a little more tolerant of pests.
- When using any kind of spray, test it first by spraying it on an inconspicuous part of the plant to see if your mixture harms it at all.
- Destroy ant colonies, as ants can kill insects that feed on aphids.
- Place aphid traps around the vegetable garden or in close proximity to vulnerable plants.