{"title":"Seedling Heat Mats","description":"\u003cstyle\u003e#html-body [data-pb-style=F0D7GMN]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}\u003c\/style\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"F0D7GMN\"\u003e\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003eWhat a difference just a few degrees of heat can make! Instead of heating the whole room, warm the soil of your Bio Dome or potted plants with a heat mat. Some do not even need a thermometer, and are safe to put on painted or varnished furniture. \u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","products":[{"product_id":"hydrofarm-jump-start-windowsill-heat-mat-20-inch-x-3-inch-39148","title":"Hydrofarm Jump Start Windowsill Heat Mat - 20 inch x 3 inch","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe name of this heat mat is perfect, because it really does jump-start your whole garden when used indoors in winter to start seeds, grow on seedlings, or keep tender and tropical plants warm and toasty. By heating only the soil, this windowsill heat mat stimulates root growth. And it costs a tiny fraction of what you would spend to heat the whole room.\u003c\/p\u003e  \u003cp\u003eHydrofarm Jump Start Windowsill Heat Mat measures 3 inches deep by 20 inches wide, making it perfect for windowsills, countertops, and any other narrow space where you want to get your seeds started. You'll be amazed how many seedlings you can fit into very little space with this mat.\u003c\/p\u003e  \u003cp\u003ePlugging into any ordinary household outlet, the heat mat is safe and only warm, never hot. It won't burn paint or discolor finish, and it releases no odor. You can keep it plugged in continuously for safe, effective warmth during those late-winter weeks when you are getting the new garden started for spring transplant.\u003c\/p\u003e  \u003cp\u003eJump-start Windowsill Heat Mat raises soil temperature 10 to 20 degrees above room temperature, which is plenty to start all but the hottest-natured tropical seeds. It's a good temperature for growing on seedlings, and it will take the chill out of the soil for all the tender plants you are overwintering. What an economical, efficient way to grow indoors, no matter what the weather outdoors is doing.\u003c\/p\u003e","brand":"parkseed","offers":[{"title":"Default Title","offer_id":42354500698171,"sku":"39148","price":29.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/8580\/4859\/files\/Product_MediaImage_39148_1.jpg?v=1753891792"},{"product_id":"hydrofarm-jump-start-waterproof-seedling-heat-mat-20-inch-x-20-inch-06989","title":"Hydrofarm Jump Start Waterproof Seedling Heat Mat - 20 inch x  20 inch","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eIf you like to begin your garden indoors in late winter, low temperatures can sometimes make germinating seeds difficult. You could keep the heat cranked up, of course, but why not just raise the soil temperature in your seed flats and begin the garden of your dreams right in the basement or on the kitchen counter? Let the seedling mat do the work for you.\u003c\/p\u003e  \u003cp\u003eThis waterproof mat fits neatly beneath 2 standard-size seed flats, raising the temperature of the soil anywhere from 10 to 20 degrees above that of the surrounding air. You can't get much use from it in a zero-degree room, but if you've got a chilly basement or mudroom just perfect for starting seeds, plug in this mat and off you go.\u003c\/p\u003e  \u003cp\u003eThere is no need to use a thermostat with this mat, though if you want to measure the exact soil temperature (for those hard-to-start seeds), we've got a nifty little thermostat to do the trick. And the mat includes helpful hints printed right on it, so you never need to root around for gardening books when facing a new seed-starting challenge.\u003c\/p\u003e  \u003cp\u003eThis is the middle size of seedling heat mats, 20 x 20 inches square. Available in single flat (9 inch x 9.5 inch) and 4-flat (20 inch x 48 inch) sizes.\u003c\/p\u003e    \u003c!-- PROP65-WARNING START v1 --\u003e \u003cdiv role=\"note\" aria-label=\"California Proposition 65 Warning\" style=\"margin-top: 1rem; border:1px solid #e0e0e0;padding:12px;border-radius:6px;display:flex;gap:10px;align-items:flex-start;font:14px\/1.4 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;\"\u003e \u003csvg aria-hidden=\"true\" viewbox=\"0 0 24 24\" width=\"20\" height=\"20\" style=\"flex:0 0 20px;\"\u003e \u003cpath d=\"M1 21h22L12 2 1 21z\" fill=\"#FFC107\"\u003e\u003c\/path\u003e \u003cpath d=\"M13 16h-2v2h2v-2zm0-6h-2v5h2V10z\" fill=\"#000\"\u003e\u003c\/path\u003e \u003c\/svg\u003e \u003cp style=\"margin:0;\"\u003e \u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e \u003c!-- PROP65-WARNING END v1 --\u003e","brand":"parkseed","offers":[{"title":"Default Title","offer_id":42354514329659,"sku":"06989","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/8580\/4859\/files\/Product_MediaImage_06989_1.jpg?v=1753891721"},{"product_id":"hydrofarm-jump-start-waterproof-seedling-heat-mat-9-inch-x-19-5-inch-06988","title":"Hydrofarm Jump Start Waterproof Seedling Heat Mat - 9 inch x 19.5 inch","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eIf you like to begin your garden indoors in late winter, low temperatures can sometimes make germinating seeds difficult and slow. You \u003cb\u003ecould\u003c\/b\u003e keep the heat cranked up, of course, but why not just raise the soil temperature in your seed flats and begin the garden of your dreams right in the basement or on the kitchen counter? Let the Waterproof Seedling Heat Mat do the work for you.\u003c\/p\u003e  \u003cp\u003eThis waterproof mat fits neatly beneath 1 standard-size seed flat or Bio Dome, raising the temperature of the soil to about 85 to 90 degrees Fahrenheit. You can't get much use from it in a zero-degree room, but if you've got a chilly basement or mudroom just perfect for starting seeds, plug in this mat and off you go.\u003c\/p\u003e  \u003cp\u003eThere is no need to use a thermostat with this mat, though if you want to measure the exact soil temperature (for those hard-to-start seeds), we've got a nifty little thermostat to do the trick. And the mat includes helpful hints printed right on it, so you never need to root around for gardening books when facing a new seed-starting challenge.\u003c\/p\u003e  \u003cp\u003eThis is the smallest size of seedling heat mats, measuring 9 x 19.5 inches. If you want a larger size, consider the  2-flat size (20 x 20 inches) or the jumbo  4-flat size (20 x 48 inches).\u003c\/p\u003e   \u003c!-- PROP65-WARNING START v1 --\u003e \u003cdiv role=\"note\" aria-label=\"California Proposition 65 Warning\" style=\"margin-top: 1rem; border:1px solid #e0e0e0;padding:12px;border-radius:6px;display:flex;gap:10px;align-items:flex-start;font:14px\/1.4 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;\"\u003e \u003csvg aria-hidden=\"true\" viewbox=\"0 0 24 24\" width=\"20\" height=\"20\" style=\"flex:0 0 20px;\"\u003e \u003cpath d=\"M1 21h22L12 2 1 21z\" fill=\"#FFC107\"\u003e\u003c\/path\u003e \u003cpath d=\"M13 16h-2v2h2v-2zm0-6h-2v5h2V10z\" fill=\"#000\"\u003e\u003c\/path\u003e \u003c\/svg\u003e \u003cp style=\"margin:0;\"\u003e \u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e \u003c!-- PROP65-WARNING END v1 --\u003e","brand":"parkseed","offers":[{"title":"Default Title","offer_id":42354521473083,"sku":"06988","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/8580\/4859\/files\/Product_MediaImage_06988_1.jpg?v=1753891721"},{"product_id":"hydrofarm-jump-start-waterproof-seedling-heat-mat-20-inch-x-48-inch-06990","title":"Hydrofarm Jump Start Waterproof Seedling Heat Mat - 20 inch x 48 inch","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eIf you like to begin your garden indoors in late winter, low temperatures can sometimes make germinating seeds difficult. You \u003cb\u003ecould\u003c\/b\u003e keep the heat cranked up, of course, but why not just raise the soil temperature in your seed flats and begin the garden of your dreams right in the basement or on the kitchen counter? Let the seedling mat do the work for you.\u003c\/p\u003e  \u003cp\u003eThis waterproof mat fits neatly beneath 4 standard-size seed flats, raising the temperature of the soil anywhere from 10 to 20 degrees above that of the surrounding air. You can't get much use from it in a zero-degree room, but if you've got a chilly basement or mudroom just perfect for starting seeds, plug in this mat and off you go.\u003c\/p\u003e  \u003cp\u003eThere is no need to use a thermostat with this mat, though if you want to measure the exact soil temperature (for those hard-to-start seeds), we've got a nifty little thermostat to do the trick. And the mat includes helpful hints printed right on it, so you never need to root around for gardening books when facing a new seed-starting challenge.\u003c\/p\u003e  \u003cp\u003eThis is the largest size of seedling heat mats, measuring 20 x 48 inches and holding 4 standard-size seed flats.  If you want a smaller size, consider the  2-flat  (20 x 20 inch) or  single-flat  (9 x 19.5 inch) models.\u003c\/p\u003e   \u003c!-- PROP65-WARNING START v1 --\u003e \u003cdiv role=\"note\" aria-label=\"California Proposition 65 Warning\" style=\"margin-top: 1rem; border:1px solid #e0e0e0;padding:12px;border-radius:6px;display:flex;gap:10px;align-items:flex-start;font:14px\/1.4 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;\"\u003e \u003csvg aria-hidden=\"true\" viewbox=\"0 0 24 24\" width=\"20\" height=\"20\" style=\"flex:0 0 20px;\"\u003e \u003cpath d=\"M1 21h22L12 2 1 21z\" fill=\"#FFC107\"\u003e\u003c\/path\u003e \u003cpath d=\"M13 16h-2v2h2v-2zm0-6h-2v5h2V10z\" fill=\"#000\"\u003e\u003c\/path\u003e \u003c\/svg\u003e \u003cp style=\"margin:0;\"\u003e \u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e \u003c!-- PROP65-WARNING END v1 --\u003e","brand":"parkseed","offers":[{"title":"Default Title","offer_id":42354545098811,"sku":"06990","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/8580\/4859\/files\/Product_MediaImage_06990_1.jpg?v=1753891721"},{"product_id":"hydrofarm-jump-start-heat-mat-automatic-thermostat-06240","title":"Hydrofarm Jump Start Heat Mat Automatic Thermostat","description":"\u003cp\u003eStart your garden economically and accurately with the Heat Mat Thermostat, which controls the temperature of your seedling heat mats to within 2 degrees F, ensuring that every seed germinates and grows on with exactly the right amount of heat! This simple plug-in thermostat can be adjusted to the precise temperature you want, so you won't waste a seed!\u003c\/p\u003e\u003cp\u003eNot only do your seeds germinate more easily with the Heat Mat Thermostat, but young plants, cuttings, indoor plants, and transplants grow more quickly as well. Just select a temperature between 68 and 95 degrees F, set the thermostat on your seedling heat mat, and leave the rest to this ingenious little device! It's even got an automatic shut-off valve should the temperature reach 110 degrees, so you needn't worry about fire. And the manufacturer provides a full one-year warranty -- no ifs, ands, or buts!\u003c\/p\u003e\u003cp\u003eThe Heat Mat Thermostat puts you in control of your indoor plants. Now you can germinate even stubborn seeds, grow a big, healthy garden more quickly and easily, and eliminate the guesswork of heat mats. This thermostat works with any size heat mat -- 9 by 19, 20 by 20, and 48 by 20. Made in Taiwan.   \u003c!-- PROP65-WARNING START v1 --\u003e \u003c\/p\u003e\u003cdiv role=\"note\" aria-label=\"California Proposition 65 Warning\" style=\"margin-top: 1rem; border:1px solid #e0e0e0;padding:12px;border-radius:6px;display:flex;gap:10px;align-items:flex-start;font:14px\/1.4 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;\"\u003e \u003csvg aria-hidden=\"true\" viewbox=\"0 0 24 24\" width=\"20\" height=\"20\" style=\"flex:0 0 20px;\"\u003e \u003cpath d=\"M1 21h22L12 2 1 21z\" fill=\"#FFC107\"\u003e\u003c\/path\u003e \u003cpath d=\"M13 16h-2v2h2v-2zm0-6h-2v5h2V10z\" fill=\"#000\"\u003e\u003c\/path\u003e \u003c\/svg\u003e \u003cp style=\"margin:0;\"\u003e \u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e \u003c!-- PROP65-WARNING END v1 --\u003e","brand":"parkseed","offers":[{"title":"Default Title","offer_id":42354644451387,"sku":"06240","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/8580\/4859\/files\/Product_MediaImage_06240_1.jpg?v=1753891721"}],"url":"https:\/\/www.parkseed.mom\/collections\/heat-mats.oembed","provider":"Park Seed","version":"1.0","type":"link"}