Van Zyverden Butter Cups Ranunculus are also know by their botanical name "Ranunculus". The multi-petaled type flowering blooms of these Van Zyverden garden bulbs are extremely vibrant in color and very showy. The red color of these garden plants has been identified to be special, and it makes for striking displays in the garden. Butter Cups are great as cut indoor flowers in bouquets, but are also deer resistant to protect the flowers if you are planting them outside. Easy to grow, these Ranunculus deer resistant plants come in a set of 25 flower bulbs for you to begin developing your garden.