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Mexican Sunflower growing in a garden

How to grow mexican sunflower

Tithonia rotundifolia

When to plant mexican sunflower

Direct sow
at your last spring frost to 2 weeks after your last spring frost
Get your exact dates by ZIP

The windows above are relative to your frost dates.

Growing conditions

Lifecycle
Annual
Sun
Full sun

Common problems

  • needs staking when tall
  • self seeding

Mexican Sunflower by hardiness zone

Planting dates for a typical location in each zone:

Sources

Last updated .