How to protect zucchini from common pests?
Written by
Julia Anderson
Reviewed by
Prof. Samuel Fitzgerald, Ph.D.Protecting zucchini plant health from pests should be viewed as a proactive and organic approach. Common plant health pests include squash vine borers, cucumber beetles, and aphids! Early intervention is crucial to prevent any infestations from causing irreversible damage to your zucchini plants. I check my garden every day during the heaviest pest times of the year. Your diligence in monitoring plants will mean the difference between saprophytic success and crop demise.
Install floating row covers immediately post-planting. These physical barriers prevent 90% of the pests when sealed on the edges. Remove covers during bloom for pollination. I use a light fabric that allows 85% of the light to pass through. Your young plants grow protected when they are most vulnerable.
Cultural Controls
- Rotate crops annually to disrupt pest cycles
- Remove plant debris where pests overwinter
- Use reflective mulch to deter flying insects
Biological Controls
- Release ladybugs to consume aphid colonies
- Attract parasitic wasps with nectar plants
- Introduce beneficial nematodes for soil-dwelling larvae
Use neem oil regularly as a general treatment, dilute 2 tablespoons per gallon of water (30 ml per 4 liters). Spray every 5-7 days, covering both sides of the leaf surfaces. Insecticidal soap is also included for better adherence. Your plants develop a resistance to various pests.
Manually removing pests early in the day, during sluggish hours. Immediately place squash bugs in soapy water. Dispose of any egg clusters you find under leaves. I bring a small container with me when I inspect my plants. Manual removal greatly decreases pest populations.
Establish trap crops to divert pests from zucchini. Place radishes or nasturtiums on garden borders. They will attract pests better because they are sacrificial plants. I inspect trap crops every day for removal. The main zucchini plants are quite spared.
Read the full article: How to Grow Zucchini: Expert Tips for Success
