Tithonia Red Torch Seeds — How to Grow Mexican Sunflowers

Tithonia Red Torch Seeds — How to Grow Mexican Sunflowers

Bold, fiery annual

Tithonia ‘Red Torch’ is a bold, fiery annual loved for its tall stems, bright orange-red blooms, and incredible pollinator appeal. Perfect for UK gardens needing height, colour, and long-lasting summer display. Easy to grow from seed, brilliant for cut flowers, and a favourite of butterflies.

Tall Tithonia Red Torch plants reaching full height in sunny UK garden

What Is Tithonia Red Torch?

Tithonia rotundifolia ‘Red Torch’ is commonly known as the Mexican sunflower.

Key traits:

• Bright orange-red daisy-like blooms

• Reaches 1.2–1.8m tall in UK summers

• Heat-loving, loves full sun

• Excellent for cut flowers

• Attracts bees, butterflies, hoverflies

• Blooms July–October

Tithonia Red Torch Mexican sunflower with bright orange-red blooms in summer garden

How to Grow Tithonia Red Torch from Seed

Sowing Tithonia Seeds

• Start seeds indoors in April–May

• Sow into modules and lightly cover

• Keep warm (18–21°C) until germination

• Harden off before planting out

• Plant 40–50cm apart in full sun

Growing On

• Needs a warm, sunny position

• Tall stems may need staking in windy gardens

• Avoid overwatering — prefers dryish soil

• Pinch out early tips for bushier plants (optional)

Aftercare

• Remove spent flowers to encourage continuous blooms

• Feed lightly every 2–3 weeks in summer

• Water deeply in prolonged dry spells

• Protect young plants from slugs when planting out

Tithonia Red Torch flower in pollinator garden

FAQ — Tithonia Red Torch