Grow guide
How to grow Mexican Sunflower (Tithonia)
Tithonia rotundifolia
- Type
- Sunflower
- Zones
- USDA zones 3–11
- Sun
- Full
- Time to harvest
- 60–75 days
- Spacing
- 24″ apart
- Density
- 0.11 per sq ft
- Habit
- Upright
- Frost tolerance
- Tender
- Sowing
- Start indoors, then transplant
- Start indoors
- 6 weeks before last frost
Care
- Water Weekly
- Deadhead As needed
- Fertilize Biweekly
Notes
Tithonia's orange daisy-like blooms reach 5–6 ft tall and are magnets for butterflies and hummingbirds; avoid rich soil or the plant runs to foliage.
More sunflower varieties
Grows well nearby
Track Mexican Sunflower (Tithonia) from seed to harvest with Evengrow.
Request access