Tree Peony leaf buds Buds in botanical terms are embryonic tissues that are made up of new and actively growing cells. Simply put, buds are undeveloped plant parts that are in a resting stage when conditions aren't favorable. They are in a dormant stage and are waiting to start developing as soon as conditions being to be suitable for growth. When you see buds next time, you might see them in a different light, they are embryonic tissues in a resting stage, packed with plant