Kozy Coats? will add 8 weeks to the start of your growing season. Kozy Coats? will protect your plants through the worst spring weather. Fill the tubes of these self-standing plant protectors with water, and they provide additional heat for plants, so you can plant earlier than ever and get a jump on the season. Ideal for tomatoes, peppers, eggplants and more. Protects plants down to 16 degrees F. 3/pack