Botanists Develop New Way to ‘Freeze Pruf’ Plants

This non-toxic spray, called FreezePruf™, from The Liquid Fence® Company, lowers a plant’s freeze tolerance up to 9.4° Fahrenheit, depending on the species, and enhances its resistance to frost. The protection lasts up to 6 weeks and works on all plants, including annuals, fruit and vegetables, tropicals and trees. The nontoxic spray will be available at garden centers and home improvement stores in September. FreezePruf is an industry exclusive...