Best humidifier for plants in 2022

As a plant lover, one of your most common issues is how to water your plants and keep them cool at the same time. Especially during hot summer months as these tend to wreak the most havoc on your indoor plants. You would think that since they are shaded, they are good, but you still need to go the extra mile to keep them from drying.

By investing in a humidifier, you would be in a better position to water your plants lightly every day, keep them cool all day long, and remove any harmful pathogens from the air. That may cause them to rot or die — making it an essential gadget for all indoor house plant growers. Below are the best humidifiers for plants in the market currently.

Top 5 Humidifiers For Plants

Vicks Warm Mist Humidifier (V745) Check Price
HONEYWELL HCM350B Germ-Free Cool Mist Humidifier Black Check Price
Pure Guardian H965AR Ultrasonic Cool Mist Humidifier Check Price
Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier Check Price
Cool Mist Humidifier - Humidifier for Baby Bedroom Check Price

Vicks Warm Mist Humidifier (V745)

The Vicks warm mist humidifier is one of the plant humidifier options in the market currently. It is filter-free, and a full 1-gallon tank can run for 24 hours. The humidifier diffuses 95% bacteria-free mist into the air, which is ideal for indoor plants. It adds essential moisture into the air to help your plants stay hydrated and cool through evaporative cooling.

The humidifier has two output settings, a medicine cup you can use to nourish your pants, a tank handle for easy carrying and filling, and a translucent tank that shows the water level. It also has a whisper-quiet operation as well as auto shut off when it is empty. It also comes with a 3-year warranty.


  • Two output settings
  • Filter Free operation
  • Tank handle
  • 1-gallon tank capacity
  • 3-year warranty


  • Whisper-quiet operation
  • Translucent tank shows water level
  • Auto shut off when empty


  • It leaks water from the reservoir
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HONEYWELL HCM350B Germ-Free Cool Mist Humidifier Black

When choosing a good humidifier for plants, you can never go wrong with a Honeywell cool mist humidifier. The humidifier can run for up to 24 hours on low on a full 1-gallon tank. It uses UV technology to kill 99.9% of the bacteria in the water. It utilizes evaporative technology by blowing moisture using a wicking filter. This helps the moisture evaporate into the air quickly.

Check this too: Best Patio Misting System

The humidifier is also energy efficient and only uses 60 also has QuietCare technology that is up to 30% quieter. The humidifier was listed among the 5 Top Humidifiers to Buy in 2019 by Good Housekeeping.


  • 1-gallon tank
  • UV technology
  • Evaporative technology
  • Quietcare technology


  • Runs up to 24 hours on low
  • Kills 99.9% of bacteria in the water
  • 30% quieter than other humidifiers


  • Difficult to maintain
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Pure Guardian H965AR Ultrasonic Cool Mist Humidifier

Running on an easy to fill 1-gallon tank, this humidifier can run for up to 70 hours. It is equipped with

Silver Clean Protection fights the growth of slimy mold and mildew. The aromatherapy tray option can be used for adding essential nutrients to the water for plant nourishment.

The humidifier has a low water indicator light which lets you know when to refill the tank. It also produces a multi-directional mist, and it features an automatic shut-off when the tank is empty. Using ultrasonic technology, it disperses a fine mist into the air while staying ultra-quiet.


  • Ultrasonic technology with cool mist
  • Silver clean protection
  • 0-gallon tank
  • 3-speed mist control
  • Automatic shut off


  • Easy to use
  • 70-hour run time
  • Multi-directional mist
  • Refill indicator light


  • Difficult to clean
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Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier

This humidifier uses an ultrasonic cool mist technology to humidify the air for up to 16 hours on a full water tank. It has two mist speed settings; high and low. You can also adjust the mist direction as per your needs. It uses a 1.5-liter water tank, and it has an automatic shut off safety feature that turns off the humidifier when the water level is low, or the water tank is removed.

The humidifier comes with an AC power adapter, disk cleaning brush, user manual, and a 5 Year Warranty.


  • 5-year warranty
  • 5-liter water tank
  • 360-degree mist nozzle


  • Ultrasonic cool mist technology
  • Two-speed settings
  • Automatic shut-off


  • The water reservoir leaks water
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Cool Mist Humidifier – Humidifier for Baby Bedroom

If you are looking for a whisper-quiet humidifier, then you will be pleased with this option. It uses ultrasonic technology, which lowers the noise level to 32dB for quiet humidification. It is a one-hand operation portable air humidifier that is easy to use and refill. It also has an ergonomic arc-shaped tank reservoir that fits in your hands perfectly and offers a secure grip.

It is equipped with a touch button for choosing the mist setting, and it also has a dim blue night light. Even plats need spa moments, right?  The humidifier has an automatic shutoff feature for added safety that can be controlled via a timer with 1/3/6-hour interval settings. The heater also has a low water level red LED indicator light. It features a 0.5 Gallon tank capacity with an average 30 hours working time on a low mist setting. And its filter-less operation enables you to save money you would have otherwise used on filter refills.


  • Dim blue night light
  • 1/3/6H auto-off timer.
  • Red LED light
  • Filter-less
  • Ultrasonic disk


  • Noise level to 32db for quiet humidification.
  • One-hand operation
  • Ergonomic arc-shaped tank reservoir
  • UL Approved


  • Produces a shower instead of a fine mist
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The best humidifier for plants should keep your plants cool, pathogen-free, and perfectly watered at all times. It should also be energy-efficient and be able to run on a full water tank for a longer period of time.