16032~FLOATING ROW COVER. Get your garden off to an early start with row covers, which provide frost protection down to 28 degrees F! An essential for organic gardeners! Floating row covers protect plants from frost, while letting in sunlight, water and air. Extend early and late growing seasons by providing frost protection down to about 28 degrees F Covers transmit 85% of sunlight, allowing strong plant growth. Soft polypropylene fibers are less abrasive to tender plants than polyester covers. Last about 20 weeks (e.g., 5-week periods for four seasons). Cut to fit; hoops not required. Remove when daytime temps are consistently above 80 degrees F.