Cut from the plant, cut into the size pieces you want to freeze. Soak in salted water for 1/2 hour to kill any crawllies and then rinse in cold water. Meantime bring a big pot of water to a boil, blanche the broccoli in the boiling water for 1-3 minutes. Remove and quickly immerse in ice water to stop the cooking process. Put in plastic containers or ziplock bags, take out excess air. Label and freeze. Enoy when the snow flies.