Brilliant Orange Flowers
Produces large, vibrant orange to reddish-orange flowers that create a beautiful display in sunny gardens.
Estimated Delivery:Nov 22 - Nov 26
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Heirloom Mexican Sunflower, scientifically known as Tithonia rotundifolia, is a vibrant flowering annual admired for its brilliant orange to reddish-orange daisy-like blooms and attractive green foliage. Native to Mexico and Central America, this sun-loving plant is a wonderful choice for cottage gardens, flower borders, and pollinator-friendly landscapes. Mexican Sunflowers attract butterflies, bees, and other beneficial pollinators while producing abundant colorful flowers throughout the warm growing season. These heirloom seeds are ideal for gardeners looking to grow bold, tropical-looking flowers in sunny outdoor spaces.
Produces large, vibrant orange to reddish-orange flowers that create a beautiful display in sunny gardens.
Nectar-rich flowers attract butterflies, bees, and other beneficial pollinators to the garden.
Develops strong upright stems with attractive foliage, making it an excellent background plant for flower beds.
Produces abundant blooms during warm weather and provides long-lasting seasonal color in suitable climates.
| Scientific Name | Tithonia rotundifolia |
| Common Name | Mexican Sunflower; Red Sunflower |
| Plant Family | Asteraceae |
| Seed Type | Heirloom Flower Seeds |
| Plant Type | Annual Flowering Plant |
| Growth Habit | Tall, upright, branching, and bushy |
| Flower Color | Bright orange to reddish-orange |
| Bloom Shape | Large daisy-like flowers |
| USDA Hardiness Zones | Generally grown as an annual; may persist in frost-free tropical climates |
| Planting Season | Spring to early summer after frost in temperate climates; warm-season sowing in suitable tropical climates |
| Seed Starting | Direct sow outdoors or start indoors approximately 4–6 weeks before the last frost |
| Germination Time | Approximately 7–14 days under suitable conditions |
| Germination Temperature | Approximately 21–29°C (70–85°F) |
| Sunlight | Full sun; ideally 6–8 hours of direct sunlight daily |
| Soil Requirements | Well-drained, moderately fertile soil |
| Watering | Regular watering during establishment; moderate watering once established |
| Mature Plant Height | Approximately 4–6 feet, depending on growing conditions |
| Mature Plant Spread | Approximately 2–3 feet |
| Plant Spacing | Approximately 18–24 inches |
| Days to Flowering | Approximately 75–100 days from sowing, depending on climate and growing conditions |
Transform your garden with the bold orange blooms of Heirloom Mexican Sunflowers. Their tall growth, attractive foliage, and butterfly-friendly flowers make them a wonderful addition to sunny borders, cottage gardens, and pollinator landscapes. Easy to grow in warm conditions, these beautiful annual flowers bring vibrant seasonal color and natural garden activity to your outdoor space. Start growing Mexican Sunflowers and enjoy a spectacular floral display throughout the warm season.
Discover helpful answers about growing, flowering, and collecting seeds from Heirloom Mexican Sunflowers.
Mexican Sunflowers generally begin flowering approximately 75–100 days after sowing under favorable growing conditions. Warm temperatures, full sunlight, well-drained soil, and proper watering help support healthy development and abundant flowering. Blooming time may vary depending on the climate and growing environment.
Yes. Mexican Sunflower flowers provide nectar that attracts many butterflies, including monarchs when they are present, as well as bees and other beneficial pollinators. Planting them in a sunny location can help create a welcoming environment for pollinator activity throughout the flowering season.
Yes. Allow selected Mexican Sunflower flower heads to mature and dry on the plant. Once the flower heads are dry and the seeds have developed, collect the mature seeds and remove any remaining plant debris. Store completely dry seeds in a cool, dark, and dry location until the next planting season. Save seeds from healthy, true-to-type plants for future growing.