How to Prevent & Treat a Whitefly Infestation

by Ann Marie Damashek, GRI, CBR, SRES 02/06/2022

Keeping plants at home means contending with the occasional pest. While some garden pests are just an annoyance, others can cause damage and even threaten the life of your plants. One common pest is the whitefly, which can infest both your outdoor garden and indoor houseplants. Here is a guide to everything you need to know about whiteflies:

What Are Whiteflies?

As their name suggests, whiteflies are white-colored insects resembling flies. They're slightly triangular in shape and can be smaller than a grain of rice. While there are many different species of whitefly, they are more prolific in warmer regions where they can survive winter weather.

Symptoms & Identification

Whiteflies are active during the daytime and scatter when disturbed, making them easier to spot than some other plant pests. However, the most common sign of a whitefly infestation is a sticky residue called honeydew the bugs produce when feeding.

In addition to the sticky honeydew, you might find whiteflies themselves on the underside of leaves, particularly along the veins. They also lay eggs underneath the leaves and tend to target tender, new growth on foliage plants.

Treatment & Prevention

While whiteflies can cause trouble in your garden, there are steps you can take to treat an infestation and prevent new ones from happening. Here are some ways you can rid your plants of whiteflies:

Hose them off - Washing the insects away with a stream of water is an efficient way to get rid of them quickly. If you find them on houseplants, take them outside for a bath with the hose.
Treat with insecticidal soap - Once you've washed the plant with water, use either store-bought insecticidal soap or a homemade mixture of dish soap and water. Spray the leaves and stems of the plant thoroughly.
Trap the survivors - Unfortunately, pests usually take more than one round of treatment to eradicate. To help capture and remove any remaining adult whiteflies, use sticky traps in your garden or potted plants.

These are just the basics of dealing with whiteflies. As with all plant pests, the best way to prevent them is to carefully inspect every new plant you buy. With the right knowledge and vigilance, you can keep your garden safe and healthy.

About the Author

Ann Marie Damashek, GRI, CBR, SRES

Ann Marie Damashek has always been a natural at helping people prepare their homes for sale. She started out with a successful business selling goods for people on eBay. "Nine times out of ten they were hiring me because they were down-sizing,” Ann Marie says. "So I decided to get my license. I said, ‘Might as well sell their house too.’” The transition was a smooth one and for nine years she’s had a thriving full-time real estate business that allows her to marry her entrepreneurial spirit with her passion for helping others. With an office in Larchmont, New York, she serves all of Lower Westchester County, with her primary market in the Sound Shore region. The majority of her business is "sphere of influence” with former clients referring her to friends and family. A gifted communicator, Ann Marie quickly builds trust and rapport with her clients by being both thoughtful and responsive; she understands that during the purchase or sale of a home, a quick response time is crucial. "I am very accessible,” Ann Marie says. "I always make time for my clients. They can call me, text me, email me up until 10 o’clock at night and I will respond. I’m available on weekends. I get back to people very promptly. I’m very customer service-oriented.” Her clients appreciate her professionalism, passion and enthusiasm and as a result her repeat and referral rate continues to grow each year. While selling real estate is serious business, Ann Marie knows that at times humor and a moment of levity can be a relief to clients. While she has a laidback and easygoing personality, she can be assertive when needed on her clients’ behalf. She loves being of service to them, and the continually changing nature of the work keeps her engaged and fulfilled. "It’s never boring,” Ann Marie enthuses. "Every day is different. That’s probably what I like most about it. But I also enjoy helping people sell or buy and educating them about the process. I love helping them achieve their goals.” This ethic of service has resulted in well-deserved recognition. Ann Marie has received the Westchester Magazine Five Star Real Estate Agent Rating four years running, in 2015 and 2016 she was the #1 agent in her office, and she’s a Zillow 5-Star Premier Agent. To keep in touch with former clients, Ann Marie sends cards to mark special occasions or reaches out via email. To market her listings, Ann Marie uses Multiple Listing Services (MLS), as well as Listingbook.com, a service that allows both agents and their clients access to MLS data. She also uses a Facebook business page and ads to boost new listings or promote upcoming open houses. "That drives a tremendous amount of traffic,” Ann Marie says. She also uses the most popular real estate websites such as Zillow and Trulia. A strong believer in giving back, Ann Marie sits on the Board of Trustees of her church and is involved in a variety of social justice projects. She’s affiliated with Furniture Sharehouse, a furniture bank for Westchester County, which collects and distributes gently used furniture free of charge to those in need. "I love it on so many levels because as a realtor, it’s helps my sellers downsize through charitable donations. I like the environmental aspect of it as well. And it helps people who truly need things.” She’s also involved in Impact 100, a women’s philanthropic giving organization. In her free time, Ann Marie enjoys gardening, traveling, and spending time with family and friends. For the future, Ann Marie wants to continue expanding her business and developing her brand, and she someday hopes to grow a strong team. But her main goal is to stay in the real estate business, helping her clients to achieve their dreams.