1
Best Budget Frost Cloth
AlpineReach Plant Frost Protection Cover, 10 x 30 ft
This plant protection is an affordable choice for large areas of coverage. It protects down to 28 degrees, so you get about 2 to 4 degrees of additional protection. It comes in both 30 and 50-foot lengths, which can be cut to size or left whole and folded over so that you can re-use the pieces in other areas next season.
2
Best Freeze Protection
Plantonix Agribon® AG-50 Frost Protection Floating Row Cover
These are heavy-duty commercial farming plant blankets with 6 to 8 degrees of frost protection and 50 percent light transmission. The woven polypropylene holds up for years, so they’re a great value for crop coverage. It comes in a 83 x 50 feet length, which is sufficient for most homeowners.
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3
Best Frost Protection
Plantonix Agribon® AG-30 Frost Protection Floating Row Cover
This commercial-grade frost blanket provides 4 to 6 degrees of frost protection, so it’s one of the more heavy-duty covers available. It has 70 percent light transmission and is made from a sturdy polypropylene weave that holds up for years. It comes in lengths of 83 inches by 50, 100, and 250 feet and can be cut to size.
4
Best Non-Porous Blanket
Planket Rectangular Plant Cover, 10x 20 feet 
This is a light to medium-duty frost blanket that gives you 2 to 4 degrees of protection. It has grommets spaced along the edges, which can be helpful if you plan to use landscape staples or stakes to keep it in place. However, light and water will not penetrate this blanket so you’ll need to remove it after the threat of frost has passed.
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5
Best Small Frost Cloth
Agfabric Floating Row Covers, 7 x 25 feet
Lightweight and breathable, this plant blanket is best for light frosts or for protecting plants from hot summer sun. It’s also a convenient length for most home gardens so you won’t need to cut it. It may seem flimsy, but mine has lasted through six seasons.
6
Best Mini-Hoop System
Burpee TunLCover
This unique all-in-one tunnel keeps inside temperatures up to 25 degrees warmer than the outside air. It unfolds like an accordion, so it’s super-easy to set up with wire hoops pre-installed so you don’t have to struggle to place it. It’s also surprisingly durable (mine have lasted 5 years). You will need to remove to water, however, if you’re using this a season extender because it is not porous.
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7
Best Large Planter Protection
Agfabric Drawstring Plant Covers, 72 x 72 inches
This larger drawstring bag slips over medium-sized shrubs and large pots to provide a few degrees of frost protection. Cinch up the drawstring to keep it tight and prevent it from blowing off.
8
Best Small Planter Protection
Agfabric Plant Cover with Drawstring, 32 x 32 inches
This lightweight cover has a drawstring so you can cinch it up around potted plants. It will buy you a couple of degrees, so it’s not ideal for hard freezes but it will work fine for light frosts.
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9
Best Hoops for Low Tunnels
Agfabric Steel Greenhouse Hoops
If you want to extend your season (or start early!), these hoops are easy to install. Made from steel with a powder coating, you can create a low tunnel to suit your needs, then drape a frost cloth of your choice over them. Secure with landscape pins, and you’ve got an inexpensive, instant mini-greenhouse.
10
Best Landscape Staples
Vigoro Garden Staples, 75-Pack
These garden staples can be used to hold down frost blankets to keep them from flapping around in the wind. These are a good solution for long-term applications, rather than overnight, because they will, of course, create holes in your fabric. If that’s a deal-breaker, you can always go old-school and hold your frost blanket down with rocks!
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