Sunflower care: Upon receiving your sunflowers, inspect all flowers, take them out of the box and remove all packaging. It is normal for them to look tired after their long journey. Hold the ends of the stems underwater and trim them diagonally at least ¼ inch from the ends using a sharp knife. Place the sunflowers immediately in clean vases or containers with lots of fresh water (they are very thirsty!). Keep the flowers away from direct sunlight, heat and drafts. To maximize vase life, re-cut the stems and change the water in the vases every day using the above steps. TIP: Sunflowers are shipped in partial bud form. Petals will open up to light and warmth. Sunflowers have naturally arched necks so they look best in tall vase arrangements.