Friday, August 19, 2022
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Did You Know Honeydew Is not Only a Melon However Can Imply Plant Issues?

I can spot a houseplant downside “a mile away”. It’s true. Usually individuals are perplexed by what’s inflicting issues for his or her houseplants. I’d like to assist determine the issues and the methods to unravel them. Let’s begin with bugs that secrete honeydew, which implies plant issues.  

scale on schefflera

Take a look at the honeydew dripping from this Schefflera lined with scale

Honeydew -Not Only a Melon

When you have got shiny, sticky leaves in your houseplants, it normally means you have got a pest downside, until somebody has just lately spilled honey or some such substance in your plant. 
On the next crops, you’ll discover a shiny substance. In case you touched it, you’ll discover it’s sticky, as effectively. That is the excretion (sure, it’s what you might be considering) from sure bugs. It comes from scale, mealybugs, and aphids and might entice ants. The primary is a gentle scale that are the brown spots you see within the following photos. Bugs live underneath the brown protecting and they’re sucking the juices out of your crops and slowly killing them. They then excrete the leftovers and it’s deposited in your crops and if the infestation is giant sufficient, in your flooring and carpeting. Yuck! I’ve witnessed this at a library when my foot caught to the ground.

Extra crops affected

As you’ll be able to see from these photos, scale love ferns and Schefflera, but in addition love ficus, palms, and lots of different crops and may be laborious to get underneath management. My brother despatched me the image beneath, asking if there was any hope for his palm and I advised him no. Not solely does it have scale, but it surely additionally has spider mites, which most individuals normally miss. Sadly, they’re fairly apparent on this plant which isn’t good, however we’ll speak about them later. The spots on the stem are the dimensions bugs.

scale and mites

Scale and mites on a palm


The second pest is mealybugs and they’re slow-moving (typically fairly quick) bugs that like to cover in crevices and underneath leaves. Mealybugs are laborious to regulate and likewise suck the juice out of your crops and excrete honeydew all over the place. 


Aphids aren’t normally an issue inside, but it surely does occur. I noticed this hoya at an vintage retailer and it was lined with them. Aphids may be completely different colours together with yellow (beneath), inexperienced, pink, or black. They like the brand new tender development of a plant and are simple to scrub off with a stiff spray of water. This hoya was fully protecting a pole clear to the ceiling of a big constructing so washing wouldn’t have been a alternative, so an insecticide would have been the one alternative. 

Sooty Mould

If honeydew is protecting the plant, it may well result in a development of black sooty mildew which grows on the sticky substance. When a plant is roofed with sooty mildew it can’t photosynthesize effectively as the sunshine can’t get to the leaf floor. The mildew may be wiped off with the honeydew, however whether it is too dangerous, it could imply your plant is past saving and it’s higher to discard it.



How do you eradicate these plant juice-sucking bugs? A technique is to get some cotton swabs, dip them in rubbing alcohol, and contact every one of many bugs. The alcohol removes their protecting coating, desiccating them.

Neem and insecticidal cleaning soap

One other resolution, which can be utilized together with the alcohol, is neem oil which smothers the bugs and insecticidal cleaning soap can also be a superb product to attempt.


If these treatments don’t work, a systemic insecticide could also be the next move. I take advantage of Bonide Houseplant Insecticide which has a low proportion of the insecticide imidacloprid. The product, positioned within the soil, strikes by way of the plant when it’s watered. When the bugs chew on the plant, they die, however I wouldn’t suggest utilizing this you probably have pets that nibble your crops or babies current.

Organic Management


If you need to make use of organic management, there are a couple of completely different decisions. Cryptolaemus, the mealybug destroyer, is an insect that eats the mealybugs within the immature and mature phases of their lives. They had been imported from Australia in 1891 to regulate citrus mealybugs in California and likewise management long-tailed mealybugs and a few scale. I’ve solely ever seen these in greenhouse settings, by no means in a house, however I’m certain they’d work anyplace. The one draw back to that is that this management measure includes extra bugs. I’m certain some individuals would moderately not introduce extra bugs into their houses. One other organic is the parasitic wasp, Leptomastix dactylopii. They assault citrus mealybug however don’t normally management the opposite forms of mealybug. They’re native to Brazil and had been launched to America in 1934-35. These are good at discovering low populations of mealybugs, so you probably have a small downside, these are a superb management measure. 


If it’s the scale you might be preventing, the pink scale exterminator and Aphytis melinus are parasites of the California pink scale, San Jose scale, and oleander scale. The purple scale parasite, Rhizobius lophanthae, is a small black girl beetle that may eat each the larvae and grownup scales and also will eat mealybugs. Yow will discover these predators at organic management mail-order sources. 

In Conclusion

Let’s attempt to use the least poisonous management for the bugs on our houseplants. We need to take heed to the merchandise we use in our houses and on our crops. But, we additionally don’t need to lose our fern from great-grandma that can’t be changed. Attempt the least poisonous management, and if that isn’t working, attempt one thing else. In case you don’t need to use chemical substances, then you must determine whether or not the plant is vital sufficient to maintain preventing the bugs, or if you happen to ought to simply throw the plant away and name it a day. And go purchase one other!

Have an excellent week, plant pals!

P.S. This submit incorporates an affiliate hyperlink that if you are going to buy the product, I’ll obtain credit score for.


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