50-70 Days to maturity. Zinnia elegans. Canary Bird Zinnia Seeds. Non-GMO, organic, annual. Farmer John's favorite yellow zinnia hands down! Produces copious amounts of large 3-4 inch canary yellow blooms. 3-4 foot stalks. This variety stood out in our 2014 trials of zinnias. These bright yellow flowers are breathtaking and will fit into any landscape. ~3,000 seeds / oz.