Mexican Sunflower is a tall, warm-season annual with bright orange-red daisy-like flowers. It is grown for bold late-season color and pollinator-friendly planting.
Key Features
- Approximately 350 seeds
- Tall warm-season annual
- Bright orange-red flowers
- Strong choice for pollinator gardens
What's in the Pack
One packet containing approximately 350 Mexican Sunflower seeds. Seeds only; plants and cut flowers are not included.
Planting Instructions
When to Sow
Direct sow after frost danger has passed and soil is warm. In short seasons, start indoors 4–6 weeks before planting out.
Sowing and Germination
Plant about 1/4 inch deep and keep evenly moist. Germination commonly takes 7–14 days in warm conditions.
Spacing and Care
Space plants 18–24 inches apart in full sun. Taller plants may need support in windy sites. Avoid overly rich soil, which can encourage weak, leafy growth.
Growing Information
| Botanical name |
Tithonia rotundifolia |
| Life cycle |
Annual |
| Sun |
Full sun |
| Typical germination |
7–14 days |
| Typical bloom |
About 75–95 days |
| Height |
Often 4–6 feet, depending on conditions |
Bloom and Display
Deadhead to keep plants tidy; leave some seed heads late in the season if you want to observe natural reseeding where appropriate.
Frequently Asked Questions
Will Mexican Sunflower return next year?
It is an annual, though it may self-seed in suitable sites.
Does it need rich soil?
No. Moderate soil is usually better than heavy feeding.
Will every bloom be identical?
Flower shade, height and bloom time vary with conditions.
Please note: Seed count, height, color intensity, bloom timing and reseeding are approximate.