60-70 Days to maturity. Zinnia elegans. Thumbelina Mix Zinnia Seeds. Non-GMO, organic, annual. These All-American Selections winner Thumbelina Mix Zinnia flower seeds are a small, adorable, compact, short, and vibrant addition to grow in any home or garden. Thumbelina Zinnia Mix flower garden seeds are a dwarf variety - one of the smallest. They are perfect to decorate indoors, give as a potted gift, or to keep the butterflies fluttering around the garden. Approx. 3,900 Seeds/oz.