90-95 days. Tithonia Goldfinger seeds grow some of the most stunning, radiant, and eye-catching blooms of the season. Goldfinger tithonia seeds promise magnificent, sun-inspired 3-4 inch blood orange petals with brilliant yellow pistils. Goldfinger tithonias are durable, easy to grow from seed, and known for thriving in heat, drought, and poor soil. Goldfinger seeds are an ideal grow for decorative planters, hedges, borders, or as a centerpiece to any fresh cut basket, bouquet, or arrangement.