Yellow Mexican Sunflower Seeds | Tithonia diversifolia | Perennial Flower Seeds

The Yellow Mexican Sunflower (Tithonia diversifolia) is a fast-growing, sun-loving perennial known for its bright yellow blooms and ability to attract bees, butterflies, and hummingbirds. This striking ornamental plant adds a vibrant touch to gardens, borders, patios, and landscapes while also serving as a natural pollinator magnet.

Product Details

• Scientific Name: Tithonia diversifolia
• Common Name: Yellow Mexican Sunflower, Tree Marigold
• Plant Type: Perennial in warm climates, annual in colder regions
• Flower Color: Bright yellow
• Blooming Season: Late summer to fall
• Mature Height: 6 to 10 feet
• Spread: 4 to 6 feet
• Sun Requirements: Full sun
• Soil Needs: Well-draining, fertile soil
• Watering Needs: Moderate; drought-tolerant once established
• Cold Hardiness: Zones 9 to 11

Why Grow Yellow Mexican Sunflowers

• Attracts bees, butterflies, and hummingbirds
• Fast-growing and reaches impressive heights in one season
• Low maintenance and drought-tolerant
• Useful for erosion control, mulch, and compost enrichment
• Extended bloom period from late summer to frost

How to Grow Yellow Mexican Sunflower from Seeds

1. Seed Preparation: No pre-treatment required
2. Planting Depth and Spacing:
   • Depth: ¼ inch deep
   • Spacing: 2 to 3 feet apart
3. Optimal Temperature: Germination occurs best at 70 to 85°F
4. Watering: Keep soil moist until germination; reduce watering once established
5. Light and Soil: Prefers full sun and well-draining soil; tolerates sandy and rocky conditions
6. Growth Time: Seeds germinate in 7 to 14 days, with flowers appearing in 60 to 90 days
7. Maintenance: Prune to encourage bushy growth and remove spent flowers for continuous blooming

Ideal For

• Butterfly and pollinator gardens
• Flower beds and ornamental landscaping
• Erosion control and soil improvement
• Cut flowers and decorative displays