[TOP 5] Best Humidifier For Plants Reviews

5 Best Humidifier For Plants Reviews, Tips & Buying Guides


Whether you have tiresome allergies, sick children that make life miserable or live in an excessively dry climate, a humidifier can help alleviate a multitude of health problems. Apart from this, it can alleviate some of the discomforts of extra dry skin.

Best Humidifier For Plants

Humidifiers also play an important role at home because they reduce the levels of dust and annoying static electricity and can prevent furniture from excessive dryness in an arid climate. There are three types of humidifiers: Evaporation, ultrasonic and units that boil water to produce steam.

The best mist humidifiers should raise the moisture level of your room quickly and efficiently while keeping germs and bacteria at bay. Some fine models feature LCD screens and humidistats for efficiency. The following are 5 best mist humidifiers of 2022.

#1 Arova Ultrasonic Essential Oil Diffuser Aromatherapy Cool Mist Humidifier


This is a soothing and calming type of mist humidifier. It utilizes non-heat ultrasonic waves without compromising the healing and natural properties of the oils.

This diffuser emits a steady mist of soothing soft swirls as it fills the room with desired essential oils. If you don’t like using the humidifier with the aroma, you can as well use it without.

It has a whisper quiet operating system that has no noise making it a pleasant device to use. It’s a great diffuser for people who hate noise when sleeping r even during the day. This machine is fine for bathrooms, bedrooms, spas and massage rooms.

The Aromatherapy oil diffuser also features an auto shut-off switch when the tank is empty. Get this diffuser and enhance a relaxing and therapeutic mood.


#2 Vicks Warm Mist Humidifier with Auto Shut-Off


Get a perfect unit for any child old or young. You can also use it when you need a medicated vapor for yourself. It doesn’t have filters so you will not have to search for any. This system is super easy when it comes to cleaning and can go up to 10 hours on a half-gallon of water.

The whisper-quiet mini cool mist humidifier also provides a visible and comforting mist for the temporary relief of nasal congestion and coughs. This enhances better breathing when sleeping and when relaxing.It’s see-through tank enables you to see when water is getting low.

It has a control knob that lets you customize the output to your preference and shuts off immediately when it’s empty. The best part of this mist humidifier is its integrated scent pad heater.

You can use the Vicks VapoPads with menthol scent similar to Vicks VapoPads. Their aroma scent pad gives wonderful moisture for people with colds and people suffering from allergies.


#3 Honeywell QuietCare Humidifier HCM-6009


This cool-mist humidifier can cater for rooms up to 2300-square feet. It has the potential to hold up to 3.4 gallons of water with a 9-gallon output each day and 24 hours for filling. The adjustable humidity control also helps users to choose what they prefer in various circumstances.

Locate the humidity monitor at some distance from the humidifier in case you want to take note of the humidity level. It’s 30% quieter than other humidifiers and can solve all your needs.

This system also features a pre-filter system that captures dust, pollen, dirt, and allergens before dispensing the mist.

Its antimicrobial-treated filter helps to stop mold, algae, fungus, and pathogens from traveling through the system. It comes with a replacement filter that protects and ensures that the Cleaning Cartridge remains clean and fresh to provide fresh mist.


#4 Air-O-Swiss AOS 7147 Ultrasonic Humidifier


This humidifier from Air-O-Swiss is one of the finest humidifiers that humidify big rooms of up to 600square feet.

It features a tank that offers a 1.5-gallon reservoir and has been designed to produce high quality through a series of three included accessories. Some of these accessories are; a demoralization cartridge, an EZCal cleaner, descale and a Hydro Cell for freshness.

Although the unit is pricey, it’s worth its cost. Most customers love the idea that it can automatically regulate output.

Air-O-Swiss also has a sleep mode that keeps your bedroom at a comfortable level of humidity. You can set the timer for a maximum period of 8 hours apart from changing from warm and cool mist whenever possible.


#5 Crane Drop Shape Ultrasonic Cool Mist Humidifier


For most people the big selling point if this Crane cool mist humidifier is the sheer variety of color. Bright colors make it cool for most kids and can also match various decor.

In addition to looking cool, this humidifier is also top rated. They have the potential of humidifying a room up to 250 square feet.

It has a compact design that makes it portable and easy to store. Unlike some of the best mist humidifiers in the market that require a filter, this one doesn’t.

With a one gallon reservoir and a 360-degree output nozzle, you can expect this diffused to go for 24 hours between fill-ups.


  1. Best Humidifier For Plants


Buying Guide – How To Choose The Best Humidifier For Plants?

Humidifiers for plants are ideal as they provide a mist that is specifically made to increase the humidity of any room or grow area. However, the humidifier that you buy should have been scientifically tested and proven to be safe for use with your indoor garden. When you want to choose the good humidifier for plants, there are many different factors to take into consideration. 


Most humidifiers have different designs based on their features so you’ll need to choose the one that works best for your situation. Ultrasonic models are great for most cases since they’re easy to use and don’t produce a lot of heat which might cause problems if they get too close to certain types of plants.

Built-In Humidity Monitor

Some humidifiers have sensors which can monitor humidity levels and send an alert to your phone or email if they get too low. This might be useful for people who are away from home most of the day but need something that works without any problems when it counts.

Types Of Humidifiers For Plants

The two main types are steam and ultrasonic models with the latter working better for most cases since they keep room temperatures at comfortable levels while not causing any damage to seeds, flower buds, or other things that require high amounts of tender loving care in order to survive and flourish.

Size Of Zoom 

Grow rooms always need 10 gallons per cubic foot in order to provide enough humidity without causing mold or other types of bacteria growth. If you want something bigger then be prepared for this kind of model since it’ll cost more but will do a better job with proper care from the user who knows what they’re doing.

Location Noise Level

Humidifiers that are too loud will interfere with your ability to sleep or relax when you need to get some rest. Thankfully, the units on this product list all have built-in features which can help reduce noise while keeping humidity levels high enough for your plants.

Water Tank Capacity

A larger water capacity means that less time needs to pass before re-filling it with water. A lower water capacity usually means that more frequent refills will be required, which could mean several trips up and down ladders over the course of a day if your greenhouse is large enough. This might not seem like a big deal but it’s better to get something that has more storage capacity since this means you don’t have to refill the unit as often and cause problems if the tank runs out of water too quickly.

Vapor Disperser 

Since plants need humidity around their roots to flourish, look for a vapor disperser that can blow water vapor into many different areas or even several plants at the same time. Some models also include water level indicators so you don’t have to check them as often, while others come with timers that shut off once empty so they’re not wasting energy all day long when nobody is around.

Size Of The Vapor Disperser

It’s also a good idea to look at the size of the vapor disperser, which is what blows water vapor into the air. A larger one means fewer trips up and down ladders while refilling it with water if you have a large greenhouse.

Mist Output Temperature

Humidifiers with adjustable mist levels can compensate for changing humidity levels so you don’t have to refill the tank as often. If the temperature isn’t high enough then this might mean that plants won’t be able to absorb as much water as they need which will result in poor growth and other types of problems down the line since too little humidity will cause seeds or new plantings to die off before they get a chance to develop properly.

Heating elements

If you’re using a humidifier in the winter then it’s best to avoid models with heaters since this will cause problems if the temperature gets too low and might damage certain types of plants that require cooler conditions to survive. Heating elements in humidifiers consume a lot of power, and they usually use standard 220 volts in most countries. If you plan to run more than one unit at the same time, it’s best to check the voltage and watts requirements for each model to avoid blowing breakers.

Humidity Levels

Most plants need between 40-60% humidity in order to grow properly and thrive. This will also prevent the spread of mold and other types of bacteria which might cause damage if they spread to your crops. Checking reviews online is the best way to make sure you get a model that’ll do this job correctly.

Voltage And Watts

The wattage of a humidifier determines how much energy it uses to power its functions. More watts consume more electricity, but this isn’t automatically bad since some types require more power than others. Look closely at the voltage needed for each device because it will tell you whether or not you can use multiple units in your greenhouse without blowing breakers all day long or needing special wiring.

Electricity Consumption

The amount of energy saved by using a humidifier for plants may be small, but every little bit helps when trying to cut costs on electricity bills. The majority of high-quality options available nowadays are designed to use as little electricity as possible while still providing adequate humidity levels. 

Run Time 

This refers to the amount of time the humidifier will work without needing to be refilled with water. The longer this period is then the more convenient it’ll be for you since there’s no need to worry about having to refill often or getting your plants wet when you use them at night or in the dark without turning on any lights.

Auto Shutoff 

This is a safety feature which will automatically turn off a humidifier if there isn’t any water in the tank to prevent damage or accidents which can occur when it’s left running without any water inside.

Speed Control

Most humidifiers have manual control to set the speed of the fan. These are usually not very good, because during the night they will run at full blast and dry your plants out, yet during the day they will be barely blowing any air at all. If you can get a model with a variable speed control this is a much better option.

Filter Cartridge

Different models have different features which can make using them more enjoyable and easier for beginners who don’t know how to clean filters, what kind of filters are best suited, and so forth. If you get one with a filter then it’ll be easier for you to keep humidity levels high while removing any impurities from the air so your plants can grow healthy and strong. Other types of filter features include ionizers which can help remove dust and other particles in the air to keep plants in your grow room safe from damage.

Diffusion Mode

This is another type of safety feature which makes sure that the humidifier won’t stay on without any water since it’ll automatically shut off if there isn’t any water inside. Some humidifiers use diffusion mode, which means that they will vent water vapor into the air until all of the water in the reservoir has evaporated. This is not good for plants because it creates a dry patch near the unit where much of the humidity escapes. The benefits of this type include an efficiently sealed system and less noise during operations.

Additional Features

Other things to look for include a timer, automatic shut-off and variable speed control. These features all have specific functions that will make your life easier as a grower, though not all of them are needed or worth the extra cost. For example, a built-in hygrometer is only necessary if you have an electric humidifier with no fan because it just delivers water vapor from the reservoir into the air without dispersing it over a broader area. 

Some types require more maintenance than others, which means they might be better suited for larger greenhouses where people aren’t going up and down ladders as often.

Ease Of Use

For the best results, choose a humidifier that is easy to use and comes with all the accessories you need out of the box. These include tubing for directing the water into different locations, adapters for hooking up your air pump, and an owner’s manual to guide you through any technicalities.


Most humidifiers last around 2 years without needing any repairs and replacements of parts and accessories like filters and more which means you’ll spend less money on upkeep while having a better experience overall.


A good humidifier should come with a warranty that protects you against defects. Most companies offer at least one year of coverage, but some will offer two years or even up to five years in extreme cases.


Cost-effectiveness depends on the size of your greenhouse and the material you plan to use, along with how important features such as a timer or variable speed control are. Some units can be quite expensive, but there are also some good ones in the $100 price range depending on where you shop.



What Is A Humidifier For Plants?

A humidifier is a device that increases moisture in the air by turning water into steam. Humidifiers are used for both home and commercial purposes but people often use them to ensure their plants aren’t exposed to dry conditions since this can cause many problems with growth. People use humidifiers for a number of other reasons as well including allergies, colds and congestion so they’re definitely something you want to consider investing in if you haven’t already got one.

What Should You Know About A Good Humidifier For Plants?

A humidifier for plants is a tool that makes it possible to regulate the humidity of the earth in indoor greenhouses.

The humidifier for plants works by creating micro-fine drops of water vapor, which are blown into the air using an air pump. This creates humidity around the soil and makes it easier for plants to absorb nutrients through their roots.

A well-made humidifier will be durable and easy to use, quiet, efficient with electricity consumption and affordable enough that you can get several without breaking your budget.

What Is Humidity?

Humidity is the amount of moisture that’s contained in the air which can either be measured in grains per pound or percent. Grains per pound are usually used for measuring humidity outdoors while percent is how it’s done indoors and besides aesthetics, there’s not much difference between them. The percentage you need to keep your plants stable will vary according to what kind you have but most people need something around 40-60% which means humidifiers are definitely worth considering if they’re capable of producing that kind of level.

Why Do Some Plants Need Higher Humidity?

Plants that come from tropical regions, such as orchids and bromeliads, need higher humidity than others since they’re not used to dry conditions. However, some species can survive with less too so it all comes down to your location and the environment you want them to be in which will decide whether or not a humidifier is necessary. If your plants seem to be suffering despite having the right temperature then this might solve your problems but don’t assume it’s always necessary because many of them do just fine without one.

What Are The Benefits Of A Humidifier For Plants?

There are a ton of benefits associated with using a humidifier for plants which starts from preventing them from drying out. Dried up plants often become weak and lose their color which means it’s not very effective at all and can also complicate things since it will take significantly longer before they’re able to be used again. Some people swear by humidifiers for keeping their plants alive even when the air is very dry which means you’ll want to consider them next time you plan on buying one.

How Do You Know If Your Plants Need More Humidity?

Some plants need more humidity than others which means you might not realize that’s the problem until it’s already causing problems with growth. If your leaves are drooping or your plant seems extremely weak then this is usually a good indication that there aren’t enough moisture levels in the air and humidifiers can help. You’ll also want to pay attention to where they’re located since plants kept indoors will dry up much faster than those placed outdoors, for example.

Is A Glass Humidifier More Effective Than Plastic?

Plastic humidifiers tend to be less expensive but glass is actually more effective especially when used as part of a whole room humidifier. The main reason for this is because it doesn’t corrode like plastic does which means you won’t have to constantly replace it and it’ll also be able to disperse all the moisture instead of some of it. Glass is also more aesthetically pleasing than plastic which makes them better for use in the house if you prefer this kind. If there’s a chance that your plants will be used inside then we definitely recommend going with glass humidifiers.

What Are The Best Humidifiers For Plants?

You can’t just buy any humidifier you want for your plants since they need to be capable of supplying them with enough moisture. In most cases, a high-quality evaporative humidifier will do the job as long as it’s not too dry in your area which means you’ll definitely want to try this one first. You might also benefit from using a cool mist or ultrasonic humidifier if your location is known for being especially dry and will need higher humidity levels than most people.

Do Humidifiers Help Plants Grow?

This is something that some people debate since it doesn’t seem to be backed by any science but humidifiers do seem to help plants grow especially when they’re used correctly. The main reason for this is because the water vapor they emit can travel up to 12-15 feet before dissipating so there’s a good chance your plants will benefit from it even if you don’t notice anything right away.

Will Any Humidifier Work For Plants?

Unfortunately, not all humidifiers are created equal. Most of them are made for different purposes with little attention given to how it affects the plants around it so if you buy one made for home use then it might not be enough even though no obvious symptoms will occur. If you have a small growing area at home then this is definitely something worth considering since there’s a chance you’ll need more than what an average humidifier can provide to give your plants a fighting chance.

Are Humidifiers Good For Plants?

The answer to this question largely depends on what kind of humidifier you’re using because there’s no single best type for growing plants. While evaporative and ultrasonic units are the most popular choices among growers, there are some other types that can be used too so it’ll depend on your location, grow tent size, how many plants you have and more. The main problem with using a regular home humidifier is that they might release chemicals into the air that will harm your plants. This isn’t something that happens overnight but if you keep them near one for too long then it might have an adverse effect since even the ones specially made for use indoors aren’t immune to this problem . They do emit plenty of water vapor though which means they can deliver a substantial amount of humidity into the air that can have a positive effect on your plants

What Is The Maximum Number Of Plants A Humidifier Can Support?

This depends entirely on the type of humidifier you’ve got but generally speaking, there’s no limit to how many plants can use it at. The only problem that arises is when the plants are kept in an extremely small area with limited airflow so if you have a large grow tent then it might be too much otherwise, you’ll usually do just fine.

How Long Should You Leave Humidifier On For Plants?

If you have a small grow tent then it might be enough to just run the humidifier for four hours every single day but if your space is large then there’s a chance that they’ll need more than this to thrive. It really depends on various factors like ambient humidity levels, number of plants and room size so it can be difficult to pinpoint an exact time frame since everyone has different standards when it comes to hit. Humidifiers tend to stay on all throughout the night which is fine for most types of plants including cannabis but make sure yours don’t emit any light if you’re growing in stealth mode.

Where Should You Place Humidifier For Plants?

You’ll find out how well it works by placing it as close to your plants as you can but never right on top of them since this will cause the humidity levels to skyrocket and this isn’t good for them. This can actually spell disaster if you’re using a basic humidifier simply because ones made especially for plants have a much lower output level which prevents this from happening. Evaporative humidifiers are more prone to problems like these so putting one inside an enclosed space with your plants might be too risky of an option compared to ultrasonic or steam models that don’t affect humidity levels based on where they’re set up at. Placing humidity emitters inside of small pots with plants before watering them will also help maintain humidity around their roots without having to buy another model or option. Many growers swear by this method even though it requires more time on their part, which can be an important consideration if you don’t like wasting too much time tending to plants.

What Kind Of Humidifier Do I Need For Plants?

There are several factors that’ll determine what kind of humidifier you need but there’s no single perfect solution for every grower. If you’re looking for an affordable option then evaporative or ultrasonic models might be a good choice but if you want to make sure they produce minimal levels of humidity and don’t put your plants at risk, then steam ones should be more than enough.

When Should You Humidify Plants?

Humidifiers should be turned on as soon as possible if you want to give your plants a better chance of thriving without experiencing any issues related to lack of humidity. This isn’t something that you have to do every single day since it depends on factors like ambient humidity levels and room size but you should at least keep them on for a good portion of the growing cycle just in case!

What Humidity Levels Do Plants Need?

Plants thrive within a specific humidity range and it can be difficult to keep them there all the time, especially if you’re too busy with work or other commitments. If you find yourself in this situation then it might be best to invest in a humidifier since they’ll ensure that your plants stay moistened even when you can’t do it by hand. The actual numbers vary from one plant type to another so I recommend looking up more information on them if you’re interested in keeping your garden as healthy as possible.

When Is The Best Time To Use A Humidifier?

Humidifiers work best during the night when the air is dry and dew hasn’t had a chance to form on them naturally. During the day time, dried leaves might cause fires if they get too close to heating elements since they’ll start transferring moisture from their surfaces and this can lead to problems like crop failure. 

How Do You Keep Your Plants High In Humidity?

There are several ways to keep plants high in humidity and using a humidifier is one of the easiest options that anyone can use. It’s also cost efficient especially if you don’t have access to an outdoor area where they can draw what they need from the surrounding atmosphere. There are some other alternatives like putting them inside special enclosures but this isn’t recommended since it will restrict airflow which means there’s a possibility that your plants might not be able to get enough of what they need.

Do Plants Need A Cool Or Warm Mist Humidifier?

This depends on the type of plants that you’re growing and what works best for them. Seedlings might be more tolerant but things like herbs and flowers might not be able to take the humidity levels that steam or ultrasonic humidifiers produce. Since not all models are made equally, you should always check their specific details before deciding which one will do a better job keeping your garden hydrated.

What Kind Of Humidifiers Do Plants Like?

Every brand of plant humidifier has a different level of humidity output which makes them ideal for some types of plants and not so much for others. Since the amount of moisture that evaporative, ultrasonic, and steam models produce can’t be adjusted, you have to carefully check their specs before you purchase one in order to ensure it’ll work out well for your garden.

Do Plants Need Extra Humidity In Winter?

Plants usually require more humidity in colder months but this isn’t always true since they might experience dryness even during the summer if there’s no precipitation coming by. If you’re using an indoor grow room then it’s important to remember that they won’t get any benefits from dew rainwater like outdoor crops would so you have to find ways to keep them humidified, especially during the night time where the humidity levels drop even further.

Are Humidifiers Good For Succulents?

Since succulents are semi-waterproof, they’re able to handle humidifiers of up to 60% which is higher than most room humidity levels. This means that if you need to increase them then you should use a vaporizer or put your plants outside in an area where there’s direct sunlight.

What Is A Diffuser?

A diffuser is a device that creates small hydrosols (water droplets) or atomizes water into the air. A common type of diffuser is used by aroma therapists to create essential oil distillates. This is done by bubbling ultrasonic energy through pure water that has some plant-based material in it, like lavender blossoms or peppermint leaves. Diffusers are commonly used to spread therapeutic grade essential oils throughout a room’s air, but they can also be used by greenhouses with certain types of humidifiers, especially ultrasonic models.

Can You Use A Diffuser As A Humidifier For Plants?

Diffusers are mainly made for aromatherapy so it’s not recommended to use them as humidifiers since they don’t produce enough vapor to prevent problems like dehydration. If you need to increase humidity levels then you should consider getting a room humidifier or putting the affected plants in the sun.

Is It Safe To Use Essential Oils As A Humidifier?

Using essential oils for this purpose might lead to damage if the unit gets too hot. Some oils themselves can be harmful if they’re used improperly which makes it risky to try and use these methods unless you know exactly how much is needed for your specific situation.

What Is The Best Way To Maintain A Cool Mist Humidifier?

If you’re having problems with your cool mist humidifier after refilling it several times, there could be something stuck inside that’s causing it to release less vapor. If you have a metal mesh screen covering the water tank, take it out and wash it with soapy water along with a toothbrush to remove any mineral deposits or rust stains. Make sure all of the water-holding chambers are completely dry before putting your unit back together so they won’t leak when you go to use it again. 

The best way to maintain a cool mist humidifier is by replacing its internal filter every 3 months during peak periods of plant growth. When using warm tap water as a source for your humidifiers, always let them run until they shut off because this will kill any harmful bacteria inside the chamber that could lead to disease in your plants.



After reading this article, I hope you have a better understanding of how to care for your plants and which humidifier would be best suited for them. If you’re still unsure after all the information we’ve provided, give us a shout or send us an email with any questions about caring for plants in dry environments. Our team is happy to assist! We also recommend checking out our blog on plant watering tips if you want some more advice. Have fun!

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