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How long can the cover be left on plants?
The Frost Protek cover may be left on for days or even 3 to 4 weeks at a time as long as the daytime temperature is not too hot. There is not a specific temperature which is too hot - just that the plant does not cook during a hot, sunny day. The cover may be left on during a cold spell without any harm to the plants. The fabric is lightweight and breathable so it does not harm the plants. Remove the cover once annuals die back or perennials lose their foliage.
Can the cover be left on plants during the day?
Yes. The fabric allows air and UV light to penetrate through to the plants. One of the great benefits of the cover is that it does not need to be taken off each morning and then replaced each evening. The cover may be left on for days at a time if desired and the daytime temperature is not too hot. There is not a specific temperature which is too hot - just that the plant does not cook during a hot, sunny day. The cover may be left on during a cold spell without any harm to the plants. Remove the cover once annuals die back or perennials lose their foliage.
Can the cover protect plants during the winter?
No, Frost Protek covers are designed for use during the growing season, or as long as there is live foliage on the plant. They can be used for periodic frost protection in climates with a year-round growing season, such as Florida. In most climates, perennials do not need protection from the elements while they are dormant. Be sure to remove covers once foliage has died back to ensure bare branches don't puncture your covers. You can use them again in the new growing season, once foliage starts to form, to insulate young leaves from a frost or cool nights.
Can the cover protect plants from wind?
Yes, during the growing season. The fabric will contain foliage and blossoms which helps prevent breakage during heavy wind. However, they are not designed for use against wind in colder climates over the winter. In most climates, perennials do not need protection from the elements while they are dormant.
Can the cover be washed?
Yes. The cover may be hand washed or washed in a washing machine. DO NOT put it in a dryer; let it air dry. The fabric dries quickly. DO NOT iron the cover.
How long will the cover last?
With normal use and care, the cover should last for several years. It is lightweight and folds small to store easily. Store out of direct sunlight or UV rays to prolong the life of the fabric.
What material is the cover made of?
The fabric for all models is the same except for the color. The fabric is 100% polypropylene, which is the same fabric used by commercial growers for frost and pest protection. The fabric is lightweight and doesn't crush plants. The fabric is breathable and enables the plant to receive the air it needs. Light penetrates through the fabric to the plant . The fabric weight is 0.9 oz. per square yard (metric 30 grams per square meter). The cover protects from 4 degrees to 6 degrees below freezing, or about 28 to 26 degrees Fahrenheit (-3.0 degrees Celsius).
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