5 Best Seedling Heat Mats – Buying Guide & Reviews

Growing plants from seedlings is a great way to save money on gardening. Seedlings are also a lot of fun to watch grow, and they provide you with the opportunity to try out new plants that might not be available at your local store.

The process can be daunting if you have never done it before, but all you need is the right equipment. In this blog post, we will help you find the best seedling heat mat for growing plants from seedlings in your own home.

Before buying a seedling heat mat, you must know what things to consider. These include:

Type

There are two types to choose from:

  • Flat-Style Heat Mat
  • Growing System Heat Mat

Flat Mats:

Flat mats are usually more expensive than adhesive mats, as the latter is a lot simpler to manufacture.

However, a flat-style heat mat offers several benefits: it warms up faster; distributes heat better; provides even warmth throughout the mat; and is safer to use.

Growing System: 

Depending on the size of your trays, you can choose a heating mat that fits them all or one that covers only part of the surface area being heated.

Choose carefully depending on how many seedlings are in each tray – if there’s just one plant per container, then it won’t need much heat. However, if you’re growing four or more seedlings in a tray, then your mat should cover at least half of the surface area and be adjustable so that it could accommodate different-sized trays.

Best Seedling Heat Mats

Once you have considered all of these things, it’s time to look for the best seedling heat mat that matches your gardening needs. Here are our top picks:

ImageProduct NameProduct description
VIVOSUN Seedlling Heat Mat
VIVOSUN Seedling Heat Mat

  • Feature:
  • Maintain Temperatures
    Durable
    Zero-Effort Setup
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VIVOHOME Seedling Heat Mat
VIVOHOME Seedling Heat Mat

  • Feature:
  • Easy to use
    Durable & Reliable
    Stable heating system
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iPower Seedling Heat Mat
iPower 48” x 20.75” Seeding Heat Mat

  • Feature:
  • Upgraded heating film
    Sturdy edge design
    Voltage: 120V
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Super Sprouter Premium Propagation Kit
Super Sprouter Premium Propagation Kit

  • Feature:
  • Built in light track channels
    10 x 20 inch tray
    1 year warranty
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Growerology Greenhouse Warming Mat
Growerology Greenhouse Warming Mat

  • Feature:
  • Flexible & Durable
    Weight: 12.8 ounces
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VIVOSUN 10″x20.75″ Seedling Heat MatVIVOSUN Heat Mat

Our first choice is VIVOSUN. This mat has been designed to match the needs of many types of growers: it’s suitable for both indoor and outdoor applications and can be used for seedlings, cuttings, and adult plants.

This mat has an adjustable thermostat that goes up to 86 degrees Fahrenheit, so you won’t have any problems getting your seeds or potted plants through the germination phase of their life cycle before transplanting them outside.

It’s also made from high-quality materials for safety and long-term durability.

VIVOSUN ‘s mat provides even warmth throughout, which is ideal for plant germination and growth. For this reason, it’s also suitable for other types of plants like strawberries, herbs, and flowers.

Another great thing about VIVOSUN is that it comes with a digital thermostat to help you easily set the temperature at which your seedlings will thrive without worrying whether they’re being over-or under-watered.

Its cord is also long enough to be used in most grow rooms without issues, and the mat is waterproof so you don’t have to worry about water damage.

VIVOSUN is a great option for all types of growers, whether you’re just starting or have been growing plants indoors for years.

VIVOHOME 20W Waterproof Seedling Heat Mat

VIVOHOME Heat Mat

VIVOHOME 20W waterproof seedling heat mat is a perfect heating solution to increase germination success as well as warmth propagating plants.

The water-resistant construction makes this seed starting pad completely safe to use in your greenhouse, indoors or outdoors.

It is constructed to be lightweight and easy to use in any space.

The heating pad can also be placed under potted plants or containers for keeping them warm when the cooler weather arrives. This seedling heat mat will keep soil temperature above 60 F which is required by most seeds during the germination period, but not too warm which can damage the plant.

This mat is designed to provide your plants with warmth, moisture, and oxygen for healthy germination so you will not need any extra lighting or temperature control system. Just place it under your potted seeds or seedlings!

It features electrical safety thanks to its water-resistant design which makes this heating pad completely safe to use.

iPower 48” x 20.75” Seeding Heat Mat

iPower Heat Mat

This seedling heat mat is one of the most popular options on the market. It’s ready to use right out of the box, and it comes with a waterproof design that makes it easy to clean.

This product features an adjustable thermostat that allows you to get just the temperature your plants need for optimal growth rates. And at 48 x 20.75 inches, it’s large enough to accommodate most plants and seedlings.

It also comes with an upgraded carbon film waterproof design that makes it safe to clean without sacrificing quality or performance.

The upgraded heating film ensures more efficiency and lowers energy consumption.

The adjustable thermostat is great for maintaining the temperature your plants need for optimal growth rates.

It also comes with an upgraded carbon film waterproof design that makes it safe to clean without sacrificing quality or performance.

It is perfect for hydroponics, gardening, and all kinds of indoor plants.

Super Sprouter Premium Propagation Kit with Heat Mat

Super Sprouter

This is a great kit that comes with everything you need to start your seedlings and cuttings. This set includes the following items: Heat Mat, Tray, Dome Lid, Light Fixture, and Bulb.

It’s all made from quality materials so it will last for years of use. The heat mat and dome lid are made from durable and flexible fiber material.

You can fold it over to cover your plants, but still, make the necessary adjustments when needed.

The heat mat has an adjustable thermostat so you don’t have to worry about burning or frying your young plants. This kit also comes with a T-five light fixture which provides the perfect amount of light for your plants.

The heat mat is made with a waterproof coating so it can be used as a hydroponic heating pad if you like to use that type of system.

It has a power cord that is six feet long, so it can be placed almost anywhere without having to worry about an outlet.

This kit is perfect for starting seeds and cuttings of all kinds, even in wintertime. It’s easy to use and will save you lots of money on heating costs that would be needed if you didn’t have this system running.

Growerology Greenhouse Warming Mat

Growerology Greenhouse

Growerology is a Florida-based company that strives to offer superior products at affordable prices. This warming mat has a waterproof design and is MET certified, meaning it’s safe for both indoor and outdoor use.

The product also comes with an insulation pad that helps to further spread heat evenly throughout the mat. A single power cord makes powering this unit easy; just plug it into any standard outlet!

It also comes with an insulation piece that is used to spread the heat evenly over a larger area and helps protect your plants from scorching.

This seedling mat has been waterproofed, making it safe for use both indoors and outdoors. If you want something with an easy plug-in design, this heating pad offers just that – two cords go into one standard outlet each!

It gives faster results and saves energy. This heating map warms the area 10 to 20 degrees above room temperature. The durability of the product enables it to withstand repeated water exposure.

The heating pad is made of high-quality material, which provides longer life and can be used for various plant propagations like seed sowing, cuttings rooting, grafting, or softwood/hardwood cuttings propagation between seasons.

Seedling Heat Mats Buyer Guide

Material

Another thing to consider is the material your seedling heat mat is made from. A good option should be easy to clean, safe for all plants including young seedlings, and should have a high thermal efficiency (ability to transfer heat).

A flexible heating mat that can mold itself around any shape or size container you use would also be ideal.

Waterproofing

Another consideration is whether your seedling heat mat will be waterproof or not.

If it isn’t, you must make sure to cover the surface before watering your plants so that water doesn’t seep underneath and damage the heating elements. If the mat does get wet, turn it off immediately until all parts are completely dry again. This way, you can avoid short circuits or fires.

Power Cord length 

The last thing to consider is the cord on your heating mat. It should be long enough so that you don’t have problems with positioning, but not too long either because it will just get in the way of garden tools and soil. Look for a cord that’s about 20 inches long.

Capacity

The capacity of the seedling heat mat will determine how many plants it can support. Some are more specifically designed for smaller applications, so keep this in mind when making comparisons between products.

If you plan on using multiple mats at once, make sure that they have been specifically designed for this purpose.

Size

You need to make sure that the seedling heat mat fits in your grow room! Measure the space you have, and compare it with any product specifications before making a purchase decision.

Some are very large and heavy, so be careful not to damage anything while moving them around or setting them up where you want them.

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