Impressive Plant Height
Can reach approximately 10–14 feet under favorable growing conditions, creating a dramatic vertical feature in sunny gardens.
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Gigantic Titan Sunflower is an impressive annual flowering plant known for its towering stems, large golden-yellow flower heads, and substantial edible seeds. Botanically known as Helianthus annuus, this giant sunflower variety is ideal for sunny gardens, backyard displays, wildlife-friendly spaces, and ornamental borders. With adequate sunlight, fertile soil, regular watering, and enough room to develop, Titan sunflowers can create a spectacular garden display while providing seeds that attract birds.
Can reach approximately 10–14 feet under favorable growing conditions, creating a dramatic vertical feature in sunny gardens.
Produces prominent yellow flower heads with contrasting central discs that add bright seasonal color to outdoor spaces.
Mature flower heads can produce substantial sunflower seeds suitable for food use or bird feeding when properly harvested and prepared.
Flowering heads provide a food source for visiting pollinators, while mature seeds can attract birds to the garden.
| Botanical Name | Helianthus annuus |
| Common Name | Gigantic Titan Sunflower; Giant Titan Sunflower |
| Plant Family | Asteraceae |
| Plant Type | Annual flowering plant |
| Seed Type | Sunflower planting seeds; verify the cultivar and seed type with the supplier |
| Flower Color | Golden yellow with a dark central disc |
| Growth Habit | Tall, upright stem with a large flower head |
| Approximate Mature Height | 10–14 feet under favorable conditions |
| Flower Head Diameter | May reach approximately 18–24 inches, depending on growing conditions and seed strain |
| Days to Germination | Approximately 7–14 days under suitable conditions |
| Days to Maturity | Approximately 75–110 days, depending on the variety and climate |
| Planting Season | Spring to early summer in temperate climates; warm-season sowing in tropical regions |
| Sowing Method | Direct sowing is recommended; indoor starting is also possible |
| Planting Depth | Approximately 1–2 inches, depending on seed size and supplier instructions |
| Plant Spacing | Approximately 18–24 inches for giant-growing plants |
| Sunlight | Full sun, ideally 6–8 hours or more daily |
| Soil Requirements | Fertile, well-drained soil enriched with organic matter |
| Watering | Regular watering, especially during establishment and flower development |
| Uses | Ornamental gardening, edible seed production, and bird feeding |
Gigantic Titan Sunflower Seeds offer the opportunity to grow towering plants with brilliant yellow flowers and substantial seed heads. They are an excellent choice for gardeners looking to add height, seasonal color, and wildlife interest to outdoor spaces. Provide full sunlight, fertile soil, consistent moisture, and adequate growing room to help your sunflowers reach their potential.
Learn about the growth potential, planting conditions, and seed harvesting of Gigantic Titan Sunflowers.
Gigantic Titan Sunflowers can reach approximately 10–14 feet tall under favorable conditions. Their flower heads may grow 18–24 inches across, depending on the seed strain, soil fertility, sunlight, and watering. Give plants enough space and protect tall stems from strong winds.
Sunflower seeds commonly germinate within 7–14 days in warm, suitable soil. Plants may begin flowering within several weeks to a few months, while mature seed heads generally develop over approximately 75–110 days from sowing, depending on the variety and growing conditions.
Allow the flower head to mature until the back turns yellow or brown and the seeds develop fully. Protect the head from birds if needed, then cut it and allow it to dry in a well-ventilated area. Remove the seeds and store fully dried seeds in a cool, dark, dry place. Saved seeds may vary if the original plants were hybrids or cross-pollinated with other sunflower varieties.