How to Make a Heat Mat for Seed Starting

Now that we know how to build a grow rack, let’s see how to make inexpensive heat mats…from Christmas lights!

This is a “readers’ favorite” post our how-to site.

When you are learning to grow from seeds, often you might see reference to a heat mat for seedlings. 

Heat mats can really help speed up germination for many seeds, especially tomatoes and peppers. 

You can buy them, but here I will show you how to MAKE one.