10+
Tithonia is a warm-season flowering plant with an upright, branching growth habit and broad foliage. It is well adapted to hot and sunny climates and performs best in full sun with well-drained soil. This plant establishes quickly from seed and is suitable for garden beds, borders, and naturalized planting areas. It tolerates heat and moderate drought once established, supporting steady growth throughout the growing season.
Features
- Upright, branching flowering plant
- Suitable for beds, borders, and naturalized areas
- Performs well in full sun environments
- Adapted to hot and sunny climates
- Tolerates moderate drought once established
Specifications
- Scientific Name: Tithonia rotundifolia
- Common Name (US): Mexican Sunflower
- Seed Type / Variety: Standard Variety
- Growth Habit: Upright, branching plant
- USDA Zones: 2-11 (grown as annual)
- Planting Season: Spring after last frost
- Growing Season: Warm season
- Sowing Season: February to April
- Germination Time and Conditions: 5-10 days at 20-25°C
- Sunlight Requirements: Full sun
- Soil Requirements: Well-drained, moderately fertile soil
- Watering Needs: Low to moderate; avoid overwatering
- Mature Plant Size: 120-180 cm height, 60-90 cm spread
- Plant Spacing: 45-60 cm between plants
