60-70 days.  Annual. Zinnia flower seeds are a small, adorable, compact, short, and vibrant addition to grow in any home or garden. Thumbelina Mix flower seeds are durable and easy to grow, ideal for indoor containers and planters or for a charming border around your flower bed. Thumbelina Zinnia Mix flower garden seeds are a dwarf variety, as well as one of the smallest and most unique varieties of zinnias, perfect to decorate indoors, give as a potted gift, or to keep the butterflies fluttering around the garden. Thumbelina Zinnia Mix seeds promise short, neat, small, and tolerant zinnias ideal for gardens prone to heat and drought.