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Jump Start™ Windowsill Heat Mat and Tray Kit - GP386

  • In stock. Ships from our warehouse in Northern California.

You'll find everything you need to start a windowsill garden with the Jump Start™ Windowsill Heat Mat and Tray Kit.

It includes two 12 cell pellet greenhouses that allow you to take charge of your seed starts. Each mini greenhouse features 12 peat pellets and a Jump Start vented dome to create the perfect environment for your plants.

The kit also comes with one Jump Start™ Windowsill Heat Mat. This mat fits perfectly underneath the two greenhouses, and is the perfect size for small growing spaces. The heat mat improves germination by warming the root area 10-20°F over ambient temperature. By warming the roots, you'll increase your growing success. The mat is 3" x 20".

If you've ever dreamed of growing a windowsill container garden, this kit will get you growing, whether you're an experienced gardener or just starting out.


  • Item Model Number: GP386
  • Shipping Dimensions: 10 x 5 x 5 inches
  • Shipping Weight: 1.25 pounds

Customer Reviews

Nice little system

I got this for my kids to start some seeds, and it works very well. The seeds sprouted within a few days! I thought it needed more instructions, like when to take off the cover, but I love that it fits on the windowsill.

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April 24, 2015 - Meredith Cherry
Eggplants are beautiful plants that are a cornerstone of edible landscaping and excellent for container gardening.  Even better, they are delicious, and there are practically limitless ways to prepare… read more »
February 28, 2011 - Charlotte from Peaceful Valley
Seed starting is easier than you think. There’s nothing to be afraid of if you follow our simple steps. A lot of gardeners will back away slowly when the conversation turns to seed trays and heating… read more »