Best Humidifier for Indoor Plants

Growing indoor plants goes far beyond just watering them, as most people would think. For the plant to thrive, you will require to do simple watering moreover. For instance, plants in botanical gardens or tropical areas are surrounded by humid air. This is because there are types of plants that require moisture and other different humidity levels to thrive.

If you are thinking of planting and taking care of indoor plants, you need to prepare and equip yourself with the best humidifier for indoor plants. This will guarantee that your plants thrive and germinate, and grow in the most favorable conditions. In this blog, we’ll review the top 9 best humidifiers for indoor plants and features to look for when buying.

Pure Guardian H965AR Ultrasonic Cool Mist Humidifier, 70 Hrs. Run Time, 1 Gal. Tank Capacity, 320 Sq. Ft. Coverage, Small Rooms, Filter-Free, Silver Clean Treated Tank, Includes Essential Oil Tray

This pure guardian is one of the best humidifiers for plants available on the market. It has a 1-gallon that that is easily filled with water for exceptional performance.  The humidifier comes with ultrasonic technology that makes it convenient for dispensing soothing cool mist.

The humidifier has a budget-friendly price tag, which guarantees that anyone can afford it even when working on a strict budget. It is suitable for medium-sized rooms, and it can provide you with up to 70 hours of continuous running.

With this humidifier, you can also enjoy different settings of humidity levels from low to high at ease. The device features a refill light indicator that alerts you when the water is low for t0imely refills. Therefore, there will not be a single moment when you will be surprised due to the water running out. Additionally, this humidifier has silver clean protection added in water to prevent the growth of mold and mildew on the tank’s surface.


  • Up to 70 hours of continuous running
  • Suitable for small and medium-size rooms
  • Silver clean protection to fight bacteria
  • Three years warranty cover


  • It doesn’t have a handle for easy movement

Honeywell HCM350W Germ-Free Cool Mist Humidifier White

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This Honeywell humidifier comes second in the list as the best humidifier for plants on the market. It has an evaporative design, which includes ultraviolet technology to sterilize and disinfect the water while passing through the system. This eliminates the possibility of dispensing pathogens to the air through water vapor.

The humidifier has a 24-hours running time with easy maintenance and cleaning for reliability. This device also has filters that help in removing salts and minerals from the water before evaporation. Therefore, the quality of air released by the humidifier is top quality giving your plants reasons o thrive.


  • Easy maintenance and cleaning
  • Ultraviolet technology
  • Has to filter to remove salt and minerals


  • Filters require frequent replacement

TaoTronics Cool Mist Humidifier, 4L Ultrasonic Humidifiers for Large Bedroom Home Baby, Quiet Operation, LED Display with Humidistat, Waterless Auto Shut-off (1.06 Gallon, US 110V)

The Taotronics cool mist humidifier can maintain an ideal humidity level to keep your plants healthy throughout the seasons. It has an automatic monitoring system that reads you real-time humidity levels in a room. It also features an LED display to ensure that you can easily read and follow the humidity progress in the given room. Therefore, you will be fully aware when you require to adjust the setting or even when to refill the water tank.

Its 4-liter tank guarantees that the humidifier can run up to 30 hours when in a full tank. Therefore, even if you leave the humidifier running, you are guaranteed that you will not have to wake up in the middle of the night to refill. Its operation is super quiet with only less than 38 dB noise, which is another reason why your sleep will not be interrupted.

Unlike other humidifiers, this gives you up to three mist levels making it flexible as you can choose whichever level you desire for your plants. This features a microporous filter cartridge, which is best known for eliminating bad smells and bacteria from dispensing water when it comes bacteria.


  • Up to three mist levels for flexibility
  • Easy to refill and clean
  • Microporous filter guarantee
  • Quiet operation


  • Quite large and takes more space

Vicks Warm Mist Humidifier, Small to Medium Rooms, 1 Gallon Tank – Filter Free Warm Mist Humidifier for Baby and Kids Rooms, Bedrooms and More, Works with Vicks VapoSteam

If you are looking for a humidifier that will enhance your room’s humidity levels, then Vicks warm mist humidifier is all you need. It best works in bedrooms, baby nurseries, and any other room where you would want relief. With this humidifier in the room, you are also guaranteed that your indoor plants will also develop in an exceptional environment.

Vicks warm mist humidifier eliminates up to 95% of bacterial from your air thanks to its filters. Therefore, when running, you are sure that the air it dispenses is of the best quality and safe for you and your household.

With this humidifier, you will also enjoy different settings for humidity levels. It has a unique and simple design that makes it easy to monitor humidity progress. Its large water tank also ensures that you have several hours of continuous run time to minimize disturbance while you should be sleeping.


  • Suitable for baby nurseries and bedrooms
  • Diffuses up to 95% bacteria-free mist
  • Suitable for relieving congestion and cough


  • Not suitable for long term usage

Pure Enrichment MistAire XL Ultrasonic Cool Mist Humidifier for Large Rooms – 1 Gallon Water Tank with Variable Mist Control, Automatic Shut-Off, and Optional Night Light – Lasts Up to 24 Hours

Enjoy long-lasting relief with this pure enrichment mist aire humidifier. It features ultrasonic cool mist technology, which safely moisturizes the air in your room. With this device, you are guaranteed that you can experience restful nights with convenient breathing all night. This is because the humidifier is designed to run up to 24 hours straight. However, depending on your mist control setting, this number will vary from 10 to 24 hours

It features a 1-gallon large tank with powerful steam output to ensure that it covers the largest space in a room. The humidifier is suitable for use in a room that is approximately 500 square feet. Therefore, it can be placed in any room and automatically guarantees to clean and purify the air for safety.

The device has an automatic shut-off feature that turns the humidifier off whenever the tank’s water levels are low. This minimizes the risks of damaging the device or even dispensing compromised air. Additionally, it comes with a reliable 5-year warranty and up to 7-days for customer satisfaction.


  • Long-lasting relief
  • Automatic shut-off construction
  • Optional night light
  • Different humidity levels


  • It doesn’t have a water monitoring system

Miroco Cool Mist Humidifier, 26dB Ultra Quiet, 6L Ultrasonic Humidifiers for Large Bedroom Babies, 90mm Water Inlet, Night Light, Adjustable Mist, Automatic Shut-Off for Home Office 20-60 Hours, Black

The Miroco cool mist humidifier has a sleek design and features ultra-quiet operation. This guarantees that the humidifier will work best in any given room. It has a filter-free design, which makes it low-key when it comes to maintenance.

Therefore, when you have this device in your room, apart from moisturizing your plants, it will also help you save money. With this humidifier, you will enjoy up to 60 hours of continuous run time. This is ideal for you, as you will not have to keep an eye on how the humidifier is constantly working.

The humidifier has an easy-to-control design thanks to its step-less control knob. This guarantees that the humidifier is reliable and stress-free for anyone to operate. It also features filter-free, which is an advantage when it comes to maintaining this device.


–          Easy to operate

–          Up to 60 hours of run time

–          Suitable for small and medium-size rooms

–          Maintenance-free options


–          Slightly overpriced

TaoTronics Humidifiers, 4L Cool Mist Ultrasonic Humidifier for Bedroom Home Large Room Baby Room, Quiet Operation, LED Display with Humidistat, Waterless Auto Shut-off (1.06 Gallon, US 110V)

This Taotronics cool mist Ultrasonic humidifier is designed to provide you with reliable performance at an affordable price range. Like the company’s previous product, this features a large 4-liter water tank to ensure that you have an extended performance of up to 30 hours.

When it is set on, it features an LED display, where all the humidity levels are displayed. This LED display is also used to display the humidity levels in a group to communicate when you turn it on or off, respectively.

With this device, you will not have to deal with the issues of bacteria. This is because the device features a microporous filter cartridge to eliminate bacteria and odor in the air. The design also features a 360-degree nozzle to ensure that it dispenses moisture to keep your plants healthy.


–          High quality and durable construction

–          Up to 360-degree nozzle

–          Up to 30 hours run time


–          Only ideal for smaller rooms

LEVOIT Cool Mist Humidifiers for Bedroom, 2.4L Ultrasonic Air Vaporizer for Babies [BPA Free], 24dB Ultra Quiet, Optional Night Light, Filterless, 0.63gal, Blue

Levoit is among the leading brands when it comes to manufacturing and developing humidifiers. Therefore, when you invest in this, you are guaranteed that you are investing in quality, and the device will ensure to improve the quality of air.

The device has a medium-sized tank that can accommodate up to 2.4 liters of water. This gives you at least up to 24 hours of run time when set on low. Therefore, when you have this device, your sleep quality will not be compromised as it can run all night smoothly. Additionally, this device has a 360-degree rotating nozzle. This guarantees that the air dispensation will be smooth and reliable for the entire house.

The humidifier, as unity, has an auto shut feature whenever the water level is low. These features ensure to keep the device secure for an extended period. When you have the humidifier within your reach, you will not have to worry about bacterial and other preexisting conditions. However, you will be happy with its low maintenance and easy operating system.


–          Durable construction style

–          Suitable for use in medium-size rooms

–          An auto-shut feature

–          360-degree rotating nozzle


–          It runs for the shortest time compared to others

Homasy 4.5L Cool Mist Humidifiers, Top Filling Humidifiers for Bedroom, 28dB Quiet Ultrasonic Humidifier for Baby Room, Fresh Air Humidifier, Sleep Mode & Auto Shut Off, Up to 30 Hours, All White

The Homasy cool mist humidifier has a sleek and effective design making it great for any humidification uses. When you use that device, you will enjoy quality humidification in any room is without compromising the quality of air in the room at a given time. Its key parts are high-quality to ensure that the all-around performance of the device is exceptional.

When you are sleeping, the humidifier has a reliable night sleep mode that doesn’t disturb your sleep. Therefore, you can place the humidifier in the bedroom and be sure that you will have quality rest with minimal interruptions.


–          High-quality internal construction

–          4.5-liter tank for reliable performance

–          Auto-shut design for safety

–          Night sleep more activated


–          Slightly overpriced compared to others on the market

What to Look For When Buying a Humidifier for Plants

There are several things that you should put into consideration before deciding on the best humidifier for plants. Therefore, you don’t have to be in a rush, but rather take your time to learn different features to know exactly what to look for.

Water Tank Capacity

This is critical as it determines the size of the humidifier and runs time in particular. If you get a smaller tank device, it means that the humidifier is smaller, and it will run for a few hours. Therefore, this will give you a hard time, especially during the night, as you will have to keep waking up to refill the tank. However, if you are looking for a humidifier that will run for a longer time, then getting on with a larger tank can be helpful.

Speed Setting

The speed setting is also a great feature to look for when buying a humidifier for plants. The majority of humidifiers on the market, however, only have high and low mist output settings. Although this could be suitable, getting one with more setting options makes it easy for you to regulate and put the humidity levels in a room at a reasonable standard all the time.

Size of the Room

Of course, the best humidifier is determined by the size of the room you intend to use it. When you get a small humidifier and place it in a large room, all your plants will not be supplied with enough moisture to enhance their growth. Therefore, even after trying, all your efforts will go to waste as most of your plants die. On the other hand, if you buy a larger humidifier for a smaller room, humidity levels will be in excess, and eventually, the plants will die or fail to develop as required. However, if you invest in a humidifier based on your room’s size, you are guaranteed that all your plants will have a sufficient moisture supply, facilitating better growth.


Whether to use humidifiers with filters or not is determined by the type of water you will be using. For instance, if you will be using hard water, humidifiers with filters will be entirely in order. This is because hard water has salt and minerals that are safe for you to breathe. The humidifier ensures to filter all the minerals and salt keeping away viable bacteria hence dispensing quality air for your safety. However, you will be required to replace the filters quite often. On the other hand, if you use distilled water, your filters will remain clean as the water is already purified and all the bacte0rials are eliminated for you. With distilled water, you can also enjoy operating with a filter-free humidifier and still be sure that you are not at any risks unless proven otherwise.


Keeping your indoor plants healthy is your responsibility. Even as you water them, it is essential to ensure that they get as much moisture as they release. With the above humidifiers, it is easy for you to choose one that will work best for you and help you take care of your plants. Also, with the stated features, it will be easy to evaluate the humidifiers within your reach and be sure that you don’t settle for anything but rather the best. If you intend to use the humidifier in your bedrooms, ensure to observe a safe distance between the bed and the humidifier. You can also consult with your doctor if you have any underlined medical conditions before investing in a humidifier placed in bedrooms.

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