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  • Seed Trays
  • Seed Starting Heat Mat

    55 reviews

    Germinate Seedlings Faster!

    Propagate all your new seedlings using Seedling Heat Mats to ensure the perfect environment for newly established root growth, plant cuttings, and germinating seeds. Heat mats are designed to reliably warm the root zone between 10-20˚F above ambient air temperature. Want to learn more about heat mats? Read this how-to article about how to use heat mats for seed starting.

    Features

    • Patented double-layer 
    • Increases propagation success rate
    • Easy to Clean
    • Waterproof
    • Warms root zone to an optimal temperature
    • 6-foot power cord
    • UL-listed

    How to Use a Seedling Heat Mat

    Heat mats are a great tool to use for winter germination.  Heat mats are waterproof and easy to clean, so there is no need to move plants off the mat during watering. The mat is designed to stay on 24hr/day. Ideally, you will want your soil temperature to stay consistently between 65˚F-80˚F. 

    For more precise temperature control these can be used with our digital heat mat temperature control.

    Benefits of Using a Seedling Heat Mat

    Seeds love warm, moist environments during germination. Being able to provide those temperatures earlier in the spring means earlier tomatoes at the market. Want earlier pumpkins? They need to be at least 85˚F to germinate. Heat mats can provide those perfect conditions, increasing growth rates. Being able to cycle through propagation in nearly half the time may mean more crops end up in the ground. Seedling heat mats are also useful in microgreen production.  Add heat mats into your production for more successful germination rates.

    Optimal Germination Temperature Chart

    Crop Optimal Soil Temp. Germination (F)
    Bean, Snap 80˚

    Beet

    85˚
    Broccoli 80˚
    Cabbage 85˚
    Carrot 80˚
    Cauliflower 80˚
    Chinese Cabbage 85˚

    Collards

    70˚

    Kale

    70˚

    Leeks

    70˚

    Onion

    75˚

    Parsnip

    65˚

    Pepper

    85˚

    Pumpkin

    90˚

    Radish

    85˚

    Spinach

    70˚

    Squash

    95˚

    Swiss Chard

    85˚

    Tomato

    85˚

    Turnip

    85˚

     

    Free shipping on orders over $49 to Contiguous US

    Shipping Policy

    Most products will ship from our facility in 1 to 2 business days after the order is placed.  Express shipments placed after 12PM EST will be shipped out next business day. Full details can be found on our Shipping Policy Page

    Returns Policy

    Returns can be made on most products within 30 days of purchase. After 30 days we unable to offer a refund or exchange. Certain products are non-returnable. For full details visit our Returns Policy

    QUESTIONS & ANSWERS

    Ask a Question
    • 2 questions -- Where are these manufactured, and is the17 watts a per hour usage?

      It is 17 watts per hour of continuous usage.   All the materials are US based but some of the assembly is done in Mexico.

    Customer Reviews
    5.0 Based on 55 Reviews
    5 ★
    96% 
    53
    4 ★
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    Filter Reviews:
    WR
    02/16/2024
    Wendy R.
    United States

    Heat Mat & seed starting trays

    I am very happy that the heating mat is the same as the one I already had. They help in sprouting my onion, tomato and pepper starts. Really like the 1010 trays. Thank you! Wendy

    A
    02/10/2024
    Anonymous
    United States United States

    Just What I Needed

    Perfect for what I need.

    A
    05/01/2023
    Anonymous
    United States United States

    3 Great Mats, a 72 count Cell Trays, and Domes

    I liked using this mat so much that I purchased 2 more..The tiniest of seeds, like chamomile sprouted. I also used their dome which I slightly elevated with napkins, so moisture would not build up on the lid, and cause mold. Also, I used their 72 cell tray which was very sturdy and came in beautiful colors! I think the plants really loved the colors as much as I did. It is very joyful seeing these colors, especially coming out of winter in New England. Customer service was great. every time I called. You cannot go wrong purchasing these 3 items or dealing with this company. They earned my 5 stars and I am a picky person!

    WH
    05/01/2023
    Wendy H.
    United States United States

    Very nice

    Very high quality products. Mat works perfectly

    BB
    04/04/2023
    Ben B.
    United States United States

    First stop shop for grow rooms

    The heat mat works great. It's one of the nicer ones of the market. It heats even, and is built well. Bootstrap is definitely my go to shop for all my plant starting needs.