A frost forecast in the evening can kill seedlings and tender crops overnight, and by morning the damage is already done. This garden frost cloth is a light non-woven fabric you cut from the roll and lay over the bed when cold is coming, then pull back once the sun is up. It traps a layer of warmer air against the soil and shelters the foliage underneath. Buy it before the first autumn frosts and keep it within reach through to late spring.
Plants suited to this frost blanket for plants
Use it over the crops and young plants that give up first when the temperature drops.
- Tomatoes late in the season, still ripening fruit
- Peppers late in the season, soft tender stems
- Lettuce, thin leaves damage easily
- Brassicas, young transplants check badly
- Tender perennials, no winter hardiness
- Young seedlings, little stored energy
- Hydrangeas, early buds are exposed
- Roses, new spring growth is soft
- Dahlias, foliage blackens at first frost
Why a vegetable bed needs frost protection
Frost damage happens inside the plant. Water in the leaf and stem tissue freezes, the cells rupture, and the growth collapses into limp dark patches that do not recover. Young seedlings have the least reserve, so a single cold night can end them. On tomatoes and peppers, the same damage stops ripening for good. Cold, drying wind adds to it, pulling moisture from foliage the roots cannot replace while the ground is cold.
Key features
Breathable non-woven fabric
The 0.9 oz non-woven polypropylene lets rain and daylight pass through to the plants below. That means the bed can stay covered through a run of cold days and nights without you uncovering it to water, and without the seedlings underneath going pale from being shut in the dark.
Cut from the roll to fit the bed
The fabric comes as a roll you cut to length yourself, so one roll can cover a whole row, a raised bed, or several small patches. Cut generously for the beds you protect most often, and keep the offcuts for seedling trays and individual tender plants.
Weighted or clipped at the edges
There are no fixed closures, so you secure it the way the site allows. Clips hold it to hoops, ground pins hold it flat, and rocks or a scoop of soil along the edges seal it against the ground. Sealed edges keep the warmer air in and stop wind lifting the cloth off the bed.
Choosing the right size
Measure the length and the width of the bed or row you want to cover. Then add enough on every side for the fabric to reach the ground and be weighted down. Do not size it to the exact footprint of the bed. Fabric pulled tight to its limits lifts in the first gust and leaves the plants exposed.
How long it lasts and how to store it
A frost protection row cover in this weight typically gives two to three seasons in normal use, and longer if you only deploy it on cold nights and put it away dry. Prolonged sun exposure weakens the fibres, storing it damp encourages mildew, and dragging it over rough bark or wire tears it. At the end of the season, let it dry fully, fold it loosely rather than cramming it into a ball, and keep it somewhere dark and dry until the next frost is forecast.
Reusable season after season
Reusable season after season
