If you want your succulent garden to thrive, it's essential that you take care of them. "Bunny Ears" will produce small offsets as it branches out. A succulent wreath won't need much trimming and should last for the entire summer. All sempervivum species can survive in full sun. However, not all can thrive in partial shade. The leaves are usually thick and fleshy. However, certain species and genus sempervivum have thicker leaves. While they need water to survive they can also rely on the stored water in their leaves for nutrients and water.