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  • Seed Trays
  • Commercial Heat Mat Master / Add-On

    8 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.

    Available as a Master or Add-On unit to allow for daisy-chaining.  ****You must have a master heat mat to use an add-on.*** 

    Usable with our digital heat mat temperature control.

    Features

    • Patented double-layer 
    • Link up to 4 Mats together
    • Increases propagation success rate
    • Easy to Clean
    • Waterproof
    • Warms root zone to an optimal temperature
    • 6-foot power cord
    • UL-listed
    • 60" L X 21" W
    • 120 VAC
    • 150 Watts
    • 50/60 Hertz

    How to Use a Seedling Heat Mat

    Heat mats are a great tool to use for winter germination. It is ideal to use Heat Mat Controller with the heat mat for more precise control. 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. Connect multiple mats by 21" daisy-chain connecting add-on mats. Ideally, you will want your soil temperature to stay consistently between 65˚F-80˚F. 

    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
    • Looking for a germination system to plant 200 tiny cactus seeds!!!

      I would recommend our 32 cell tray with inserts: https://www.bootstrapfarmer.com/products/extra-strength-32-cell-seedling-starter-trays-with-inserts

    • will these fit 6 1020 trays?

      The dimensions are 60" L X 21" W. They will fit 6, 1020 trays. You'll must purchase the commercial seedling mat in order to use an add-on.

    Customer Reviews
    4.9 Based on 8 Reviews
    5 ★
    88% 
    7
    4 ★
    12% 
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    Write a Review

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    Filter Reviews:
    BN
    02/04/2023
    bogdan n.
    United States United States

    Heat mat

    Excellent good product

    BW
    05/17/2022
    Brandon W.
    United States United States

    Great product, excellent customer service

    Great! No issues at all, simple to set up.

    A
    12/06/2021
    Anonymous
    United States United States

    Review

    Heat mat and temperature controller are great. 10/10 The 1020 extra strength trays are good but not great. Could be sturdier but overall good. 32 cells plant starter trays are great but the inserts are not good or heavy duty. The inserts break easily.

    A
    05/07/2021
    Anonymous
    United States United States

    Shipped fast

    Excellent choices and arrived ahead of schedule, thank you!

    A
    04/09/2021
    Anonymous
    United States United States

    nice mat

    Overall, the mat does a great job of keeping the trays warm. My only wish is that the little do hickey that is supposed to go into the soil was longer. I need to be able to hang the thermometer away from the spray of the overhead sprinklers for the tables and the reach isn't really long enough.