Thawing plants

All of the plants that can thaw ice in Frostbite Caves, Modern Day, and Piñata Parties. Most of them thaw ice every 6 seconds, while a plant during Plant Food effect, a boosted Torchwood, Pyre Vine and Inferno thaw ice every 1.5 seconds. Snapdragon, Pepper-pult, Pyre Vine and Inferno's warming radius can be upgraded through levels, while Pyre Vine and Inferno's damage deals to ice also increases through levels.