Tithonia rotundifolia Seeds (Mexican Sunflower)

The Mexican Sunflower (Tithonia rotundifolia) is a vibrant and heat-tolerant plant species native to Mexico. It is also known as the Golden Flower of the Aztecs due to its bright orange and yellow flowers resembling a sunflower. This fast-growing annual reaches a height of 4-6 feet and spreads 2-3 feet wide. It can be easily grown from Tithonia rotundifolia seeds and thrives in full sun with well-drained soil. This plant is suitable for USDA hardiness zones 9 to 11 and attracts butterflies, bees, and birds with its abundant nectar-rich flowers.

Growing Tithonia rotundifolia from Seed

• Growth cycle: Perennial
• Watering: Medium
• Sunlight: Full Sun
• Suitable climates: Arid, Humid Subtropical, Mediterranean, Semiarid, Tropical Wet, Tropical Wet & Dry
• Where to grow: Outdoors
• Flower color: Red

Germinating Mexican Sunflower Flower Seeds

To germinate Tithonia rotundifolia, start by sowing the seeds directly in well-drained soil, 1/4 inch deep. Keep the soil moist and provide consistent warmth and sunlight. Germination usually occurs within 7-14 days.

We source all of our Tithonia rotundifolia seeds from a small greenhouse facility based in southeastern Maine and store them in a dark, temperature-controlled environment before shipment. You’ll find that our fresh Mexican Sunflower seeds are much easier to germinate than the mass-produced packets of flower seeds found in stores! If you have any trouble growing Mexican Sunflower seeds, we’re happy to send you additional gardening tips. In the (unlikely) event that your Tithonia rotundifolia seeds do not germinate at all, we’ll give you a full refund, no questions asked.

We offer this variety on Etsy, eBay, and Amazon, as well!

Shipping & returns

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