How to Build a Straw Bale Cold Frame

Make a simple DIY straw bale cold frame using old windows, to either harden off your plant starts or to extend your growing season! Today I am going to share with you how I created more room for my plant starts. My growing rack was getting full, and I came up with this simple DIY project, making a straw bale cold frame with old windows we had lying around. Articles you may be interested in: How to Harden Off Your Seedlings Simple Easy Gardening, Use Mulch for No Weeding! Seed Starting 101: Winter Sowing Our gardening and homesteading favorites in our Amazon Store! DIY Straw Bale Cold Frame It’s so simple, it will only take a moment to tell you how we built it. We bought six bales of straw. The straw will be reused later, for mulching in the garden. Don’t use hay if you want to mulch with it. Hay has lots of seeds in it, straw has less. We had 3 windows lying around, that had blown their seals. So six bales of straw was the perfect size for us. Depending on what old windows or glass doors you can get your hands on, you may need to buy more or less. We simply placed 2 bales end to end on the long side, 1 bale on each end, and placed the windows on top. Hardening Off Plants in a Cold Frame We built this cold frame to have additional space for our veggie starts. I needed my growing rack to start peppers and tomatoes, but it was full of celery, asparagus and artichokes. If it is still cool out, this works very well. We had a heat spell this week, where it got in the high 70’s and low 80…