Best Humidifier For Plants: A Buyers Guide

  • Simon Kent
  • Date: March 14, 2023
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Humidifier For Plants

If you didn’t know plants need humidity to survive! Unlike us humans, most plants thrive in humidity. In dry warm areas and sometimes in the winter months where indoor air is dry plants may struggle to grow quickly.

If you are looking to grow beautiful lush plants you should consider using a humidifier for your plants. When plants are exposed to dry air, they lose moisture and can even die off because of it.

Indoor air typically has less humidity than outdoor air, so if they’re placed in an area that has low temperature and high relative humidity like near a window or other source of fresh water in the home then they will do well.

Top 3 Humidifiers for Plants





image of Portablile Mini Humidifier with a breakdown of features and benefits

Portable Mini Humidifier, 500ml Small Cool Mist Humidifier

500 ml

image of Cool Mist Plant Humidifier with Rapid Humidification with a breakdown of features and benefits

LEVOIT Humidifier Cool Mist Air Ultrasonic for Plants

6 Litre

image of Portablile Mini Humidifier with a breakdown of features and benefits

AILINKE Keecoon 8L Ultrasonic Cool Mist Humidifier Vaporizer

8 Litre

What Exactly is a Humidifier?

Plant humidifiers and regular humidifiers all do the same thing, they vary however on size. Humidifiers are a great tool for plants that require a more humid wet environment.

Plant in need of a Humidifier

The leaves on your plants will tell you if the plant needs more humidity because they’ll turn brown and fall off. For more information on what your leaves are telling you, check out this post from Those Positive Plants.

Humidifiers add water vapor to the air to make it more moist and comfortable. Since plants rely on water, a good humidifier is essential to a plant’s life.

Too much humidity however can be bad for your plants too. If you are suffering from high humidity levels then check out our Dehumidifiers for Grow Tents article.

Now that you know a humidifier is essential to a plant’s life, let us talk about what to look for when purchasing a plant humidifier.

What to Look for in a Plant Humidifier

There are a few things to keep in mind when buying a humidifier and we are going to lay them out right here for you, so you don’t have to do the digging yourself!

  1. Plant Humidifier’s Capacity & Duration
  2. Plant Humidifier’s Functionality & Capability
  3. Plant Humidifier’s Portability
  4. Plant Humidifier Pricing

Based on these 4 characteristics we took the time to do the research and find out what are the best plant humidifiers on the market.

Top 3 plant humidifiers that are available on the market today.

image of Portablile Mini Humidifier with a breakdown of features and benefits

Portable Mini Humidifier, 500ml Small Cool Mist Humidifier

This humidifier is a nifty smaller sized unit that really packs a punch!

  • Two Mist Modes
  • Portable Mini Dehumidifier
  • Auto Shut Off
  • Polymer Water Mist
  • Whisper Quiet
  • Infiltration and Moisture
  • Warm Light
  • Without Radiation
  • Available in a Range of Colours

Capacity & Duration

This plant humidifier lasts 12 to 18 hours per 500 ML full tank.

Functionality & Capability 

Lighting & Misting

The plant humidifier has 2 mist modes and a LED light feature. To switch between continuous mist mode & intermittent mist mode hold the button for just 1 second. Press once to turn on the light, press again to change to the breathing mode. 


This humidifier won’t make any annoying and loud sounds to ruin your peace and quiet. In fact, this humidifier is so quiet that you can easily fall asleep and have it working and not notice it! The humidifier functions at less than 30db, that’s less than a whisper!


This plant humidifier’s small compact design makes the humidifier extremely portable. This system is so portable that it can be powered via USB!


Budget-friendly, this humidifier is a steal!

image of Cool Mist Plant Humidifier with Rapid Humidification with a breakdown of features and benefits

LEVOIT Humidifier Cool Mist Air Ultrasonic for Plants

Not only is this humidifier longer-lasting, but it also covers greater distance and is voice-activated. Now that’s one smart plant humidifier!

  • Wifi and Bluetooth Capabilities
  • Set Timers
  • Select Humidity Levels
  • Auto Shutoff
  • Up to 60 Hours of Runtime
  • Nightlight
  • Sleep Mode
  • 6 Litre Tank
  • Aromatherapy
  • 30db or Less
  • This humidifier also comes with a 2-year warranty

Capacity & Duration

This plant humidifier lasts up to 60 hours because of its 6L capacity

Functionality & Capability 

Smart Wifi & Voice Activated 

The Levoit humidifier can be connected to the accompanying app and scheduled with timers. It can also be controlled hands-free through Alexa or Google Assistant, for when your hands are full!

Waterless Auto Shut-off, BPA free for commercial use in yoga studios and gyms, is also good for your living room or bedroom. Cleaning brush and multi-language user manual included. 2-year warranty and lifetime support at the manufacturer’s end.


This plant humidifier is portable because of its smaller size however it does require


This mid-budget humidifier is a great option due to its better technological benefits!

AILINKE Keecoon 8L Ultrasonic Cool Mist Humidifier Vaporizer

This humidifier has the classiest design and lasts a long time due to its large capacity!

  • No Water Leakage
  • Humidity Setting
  • 3 Mist Settings
  • Top Fill Design
  • Touch Remote Control
  • 8L Water Tank
  • 1 – 12 Hour Timer
  • Whisper-quiet Operation
  • Floor Standing
  • 1 Year Warranty

Capacity & Duration

The 8l humidifier can cover large rooms up to 500ft²/46m². It humidifies a space for 36 hours in just one filling and can be used in bedrooms, offices, nurseries, or any other room.

Functionality & Capability 

A detachable water tank and an opening for easy filling and cleaning set this tower humidifier apart. With a 1-minute refill, it’s perfect for any busy person.

The maximum constant output of 300ml/h lets you tailor your humidity levels so that you can avoid dry skin, congestion in your sinuses & nose, and uncomfortable stuffiness. This humidifier puts out a humidity zone is 45%-60% which is perfect for all plants.


This plant humidifier is not as portable because of its large water tank capacity however since the range is up to 500 square feet it won’t need to be moved frequently.


This humidifier is a little on the pricey side but it can defiantly do a lot for you if you need a good plant humidifier to get the job done!


Plant humidifiers come in many different shapes, sizes, and even abilities. We broke down why plant humidifiers are beneficial and how they work! Most importantly we took the time to research the top 3 plant humidifiers in the market.

Overall if you are looking for a mix of functionality and power we recommend the LEVOIT Humidifier Cool Mist out of the three options that we presented. For the price, it performs at a higher level. But if you are on a very tight budget you can always purchase Portable Mini Humidifier so you can still help out your plants and still keep your budget intact.

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