Does Frost Cloth Work?

So, how does frost cloth work? It traps in moisture and heat from the soil that builds up during the day and uses this heat to protect plants from frost at night. In a pinch, you can also use an old bed sheet or blanket, but this is not ideal as a long-term solution.

Does frost cloth really work?

Frost cloth traps some heat, so as the temperatures start to dip in the fall in cold climates you can keep the plants under the row cover slightly warmer (throughout the day and night) than they would be if left uncovered in the garden.

How effective are frost blankets?

Frost blankets much better than old sheets for several reasons. They are lightweight, so they don't crush plants. They let light through, so you can leave them on for several days. ... Air is able to pass through the fabric, allowing your plants to “breathe.”