Your Indoor Plants Will Thrive Thanks to These Humidifiers

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Regardless of the types of plants, indoor greenery not only adds beauty to your indoor spaces by adding an aesthetic appeal but also adds oxygen and removes allergens. However, most indoor plants require higher humidity levels than those found inside your home, especially during winter months when dry air is prevalent. This is especially true for those growing indoor tropical plants that thrive in their natural humid environments like monstera or orchids. Adding a humidifier to your home keeps your indoor garden of houseplants healthy and thriving.

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Combating low humidity levels indoors not only adds health benefits during the colder months like warding off dry skin and sinuses but also adds much-needed moisture to your plants. Humidifiers release moisture into the air that indoor plants can absorb through their pores. Humidification of your indoor spaces keeps your indoor plants producing lush foliage and reduces cultural problems like browning and curling leaf tips.

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You can easily raise indoor humidity levels by investing in a simple humidifier and we cover some of the important considerations that help in selecting the best one for your situation. There are a wealth of different types of humidifiers on the market and we've covered our top picks of some of the best humidifiers for plants.

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What to Consider When Purchasing a Humidifier for Plants

Types of Humidifiers‌: When considering a humidifier, it's important to understand how the different units operate. Ultrasonic humidifiers utilize high-frequency (ultrasonic) vibrations to aid in evaporation. Extra fine droplets of water are produced as the ultrasonic vibrations steam the water. Humidifiers utilizing ultrasonic technology don't have filters you'll need to change but can be a bit pricier than those using evaporation. They also offer quiet operation compared to evaporative types.

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Humidifiers using evaporation utilize the airflow to create a fine mist as the water is pulled over a wet wick by the use of a fan. Although these types of humidifiers are not as pricey as those using ultrasonic technology, they can raise noise levels due to the fan and require cleaning and periodic filter changes. Choices in evaporative types include warm mist humidifiers and cool mist humidifiers. The basic difference between the two is that warm mist humidifiers produce purer water vapor due to evaporation and those producing a cool mist are energy-friendly as they require less energy to operate.

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Size of Room‌: It's important to consider the room size of the area you plan to situate the humidifier. If you purchase a humidifier that's too small, you won't increase humidity to adequate levels your plants require. Moisture disbursement levels will be lower and your plants won't have the ideal humidity levels they require for healthy growth.

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Tank Capacity‌: The capacity of the humidifier's tank is proportional to the length of time it can run. Those with large tanks produce a long runtime without the need to stop the unit and refill it with water. However, small rooms that require less relative humidity can use smaller units.

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The Best Overall Humidifier for Plants

For a humidifier that offers all the bells and whistles as well as a cold mist, you can't beat this humidifier by LEVOIT. It increases humidity four times faster than many humidifiers on the market and is perfect for large rooms, covering up to 505 square feet of space. Additionally, you can add essential oils to the tray and enjoy the fragrance of your favorite scent. The humidifier also has a night light, auto mode, sleep mode and smart controls where you can customize humidity levels and operate the system from the remote control. The top-fill design of the 6-liter tank makes refilling it with water easy. Best of all, the smart technology offers plant care information from scanning plant recognition to customized plant management. It's also quiet to operate and it's small enough to sit on a shelf or countertop.

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The Best Budget Humidifier for Plants

If your tropical houseplants need higher humidity levels but you don't want to spend a fortune on a humidifier, this multi-purpose unit from Raydrop is a good selection. Its transparent design allows you to keep an eye on the water level inside the 2.5-liter tank. Refilling is a breeze with the top-fill design and you can also enjoy aromatherapy in your room by adding a few drops of essential oil to the water. The cool mist output is adjustable and there's an automatic shut-off when the tank runs dry. With the lowest mist output, the humidifier will work for 30 straight hours. It's also easy to clean and it's small enough to sit on a desk or tabletop.

The Best Small Room Humidifier for Plants

Suitable for adding humidity to rooms between 100 and 300 square feet, this cool mist humidifier will keep your plants healthy and has the feature of an optional night light. You have a dial where you can control mist output and a mist nozzle where you can control its direction. The unit is ultra-quiet and has an easy-to-fill 2200 ml tank that prefers distilled or purified water over tap water. When running at its lowest mist output, the humidifier has around 30 hours of runtime before it automatically shuts off. The humidifier is filter-free and it comes with a cleaning brush. With its size and output, this is a perfect humidifier for smaller rooms in the home and its small size means it can sit out of the way on a desk or table.

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The Humidifier With the Best Runtime

If you prefer a humidifier with a long runtime then you won't be disappointed by this cool mist humidifier from Everlasting Comfort using ultrasonic technology. The humidifier has a 1.6-gallon tank and raises the humidity in rooms up to 500 square feet for up to 50 hours. Once the unit is out of water it automatically shuts off. The reservoir holding water is easy to remove and refill and you can control the cool mist options on the dial. This humidifier offers whisper-quiet operation along with a night light and a tray where you can add your favorite essential oil scents. You don't even require a large area to situate the humidifier because it will fit perfectly on a countertop or tabletop offering hours of use.

The Best Multi-Purpose Humidifier for Plants

If you desire the option of having either a cold or warm mist humidifier, then you can't go wrong with this unit from ASAKUKI. This humidifier is suitable for use in large rooms as it humidifies rooms up to 753 square feet. The 5-liter tank has a top-fill design making it easy to refill and depending on the mist output, it has a runtime of anywhere from 25 to 50 hours. When the tank is dry it signals the auto shut off. The water runs through a ceramic carbon filter that never requires replacing and the warm air humidifier has a box where you can add essential oils. There's a sleep mode and LED display and you can control everything from the remote control. The humidifier increases humidity levels four times faster than many units and the ultrasonic vibrator creates the cool mist which then can be heated to produce a warm mist. It's also whisper-quiet so you will forget you're even using it.

The Best Compact Humidifier for Plants

Whether you're traveling or just need a compact humidifier you can easily move around, this mini humidifier from MOVTIP is a good choice. The water tank holds 500 milliliters of water and will spray a fine cool mist for either six or 12 hours. Once the tank empties the humidifier automatically shuts off. It's USB-powered so you can plug it into any outlet with USB capabilities. It's best to use either clean tap water or mineral water in the unit and to prevent clogs, don't use essential oils or distilled water. Although the unit runs quietly, you have a silent mode and two modes for a night light. With its small size and portability, you can easily move it to where it can add that extra bit of humidity your plants desire.

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