Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to preserve christmas roses [title] Select suitable flowers. [step] The flowers should be in full bloom, in good condition and without flaws. [title] Choose a desiccant method for drying the flowers.

Ending1: [step] Suitable desiccants include silica gel, sand or borax. Silica gel is probably the simplest, so it's the method used here. Ending2: [step] A dry flower pot is better because it will yield more potassium crystals for harvesting. A plumed flower pot is ideal, as the length of the roots is less common for flowers which are larger. Ending3: [step] There are several factors to consider when selecting flowers for christmas flowers. [substeps] Flowers that dry year round should be planted in a pot, positioned in a slightly deeper pot for dry spots. Ending4: [step] Birds' nests attract bees when they feed, and fighting cockroaches can re-treat winter roses. [substeps] Select a pose where bees are low to the ground and you are hovering above the ground.

Answer format: ending1/ending2/ending3/ending4