Specific Plant Hormones: Some plant hormones, like gibberellins, can stimulate flowering in certain plants. However, these are typically used in controlled agricultural settings.
Important Note: It’s crucial to remember that plant growth is influenced by many factors, including sunlight, water, soil type, and the specific plant species.

If you’d like to share more context or clues about this “ingredient,” I might be able to give you a more precise answer!