Van Zyverden Multicolor Buttercups Double Blooming Mixed Bulbs Bagged 25-Count in the Plant Bulbs department at Lowes.com
Amazon.com : 25 Pink Ranunculus Bulbs Spring Planting - Buttercup Flower Bulb Value Bag - Plant in Gardens, Containers & Flowerbeds - Easy to Grow Perennial Flowers Bulbs by Willard & May :