What Is Honeydew?

Honeydew is a type of mold that grows on many types of plants, including fruits and vegetables. It’s not harmful to humans or animals, but it does cause problems for gardeners trying to grow their crops in the summer months when the sun shines directly on them. If left unchecked, honeydew will eventually kill your plants if they aren’t treated soon enough.

How Do You Get Honeydew Off Your Car Or Plant?

There are several ways to get honeydew off your car or plant. Some methods involve using bleach, ammonia, or other chemicals. Others require some physical labor like scraping away the sticky substance with a knife or even boiling water. Still others just involve wiping down the area thoroughly with a damp cloth. Whatever method you choose, make sure you follow all instructions carefully!

If you’re having trouble getting honeydew off your car or plant, try one of these tips first:



Mix 1 part bleach with 9 parts water in a spray bottle. Soak a rag in the solution and wipe it all over the affected area. Let the mixture sit for no more than 5 minutes, then rinse it away with water. This will kill any mold spores or honeydew left behind, making it safe to touch again.


Mix 1 quart of water with 1 tablespoon of ammonia. Using a rag, wipe the mixture all over the affected area. Let it dry completely (this may take an hour or two), then rinse the area off with water.

Don’t mix ammonia and bleach because this creates a toxic gas!

Boiling Water

Using a kettle or saucepan, fill it with water and heat it until it’s boiling. Using a cloth, carefully wipe away as much honeydew as you can. Then, using oven mitts, pour the boiling water over the affected area. This will kill any remaining honeydew and mold spores. Let it dry completely before touching it again.

Manual Labor

If you can’t use chemicals, boil water, or use a rag and water, you’ll have to resort to more physical means of removing the honeydew. Using a knife (while wearing oven mitts), scrape off as much honeydew as you can. Next, wipe down the area with a cloth dipped in clean water. Finally, use a blow dryer to speed up the drying process and make sure no moisture remains on the car or plant.

What Is The Best Way To Remove Honeydew From A Car?

There are several ways to remove honeydew from a car. You can use a rag and a bucket of warm water, a blow dryer, or even a pressure washer. Whichever method you choose, the goal is to get the honeydew off as quickly and effectively as possible! Once you’ve wiped the honeydew away, make sure to give the car a thorough rinse with water to remove any remaining residue.

Sources & references used in this article:

Honeydew analysis for detecting phloem transport of plant natural products by RJ Molyneux, BC Campbell, DL Dreyer – Journal of Chemical Ecology, 1990 – Springer

Instrument for nondestructive measurement of soluble solids in honeydew melons. by GG Dull, RG Leffler, GS Birth, DA Smittle – Paper-American Society of …, 1990 – cabdirect.org

The carbohydrate components of honeydew by HE Gray, G Fraenkel – Physiological zoology, 1954 – journals.uchicago.edu

Honeydew of aphids as a source of sugar for Phlebotomus ariasi by R Killick‐Kendrick… – Medical and veterinary …, 1987 – Wiley Online Library

Effects of dietary sucrose concentration on aphid honeydew carbohydrate levels and rates of excretion by TE Mittler, T Meikle – Entomologia Experimentalis et Applicata, 1991 – Wiley Online Library

Plant–rhizobia interactions alter aphid honeydew composition by MRL Whitaker, N Katayama, T Ohgushi – Arthropod-Plant Interactions, 2014 – Springer

Ants (Hymenoptera: Formicidae) foraging in citrus trees and attending honeydew-producing Homoptera. by MJ Samways, M Nel, AJ Prins – Phytophylactica, 1982 – cabdirect.org

Patterns of Honeydew Droplet Production by Nymphal Stages of Bemisia argentifolii (Homoptera: Aleyrodidae) and Relative Composition of Honeydew Sugars by HS Costa, NC Toscano, DL Hendrix… – Journal of …, 1999 – meridian.allenpress.com

… composition of the honeydew of polyphagous brown soft scale Coccus hesperidum (Hemiptera: Sternorrhyncha: Coccoidea) feeding on various host plants. by K Golan, A Najda – European Journal of Entomology, 2011 – Citeseer



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