Mexican Sunflower Seeds – Bright Blooming Ornamental Garden Variety

Overview

Mexican Sunflower Seeds produce stunning, tall plants with fiery orange-red blooms that light up summer gardens. Known botanically as Tithonia rotundifolia, this hardy annual thrives in heat and drought, attracting butterflies, bees, and hummingbirds with its long-lasting blooms.

Perfect for borders, pollinator gardens, and cut-flower arrangements, Mexican Sunflowers provide vibrant color and height throughout the warm season. Their fast growth and tolerance to poor soils make them one of the most rewarding flowers for new gardeners.

Features

• Premium non-GMO Mexican Sunflower seeds
• Produces bright orange-red blooms with daisy-like petals
• Excellent for borders, wildlife gardens, and cut flowers
• Attracts butterflies, bees, and hummingbirds
• Tolerates drought and poor soil conditions
• Easy to grow, fast-maturing, and heat-tolerant

Specifications

• Common Name (US): Mexican Sunflower (Tithonia rotundifolia)
• Seed Type: Annual flowering plant, open-pollinated, non-GMO
• Planting Season: Spring after frost or early summer
• USDA Hardiness Zones: 2–11 (annual everywhere)
• Sunlight Requirements: Full sun (6–8 hours daily)
• Soil Type: Well-drained, moderately fertile soil; pH 6.0–7.5
• Sowing Method: Direct sow ¼ inch deep; thin after germination
• Germination Time: 7–14 days at 70–80°F
• Days to Maturity: 85–100 days from sowing
• Spacing: 12–18 inches apart
• Plant Height: 3–6 feet tall (variety-dependent)
• Watering Needs: Low to moderate; drought-tolerant once established
• Bloom Season: Summer through early fall
• Yield: Continuous blooms with minimal maintenance
• Storage: Seeds viable for up to 2 years if stored cool and dry