Siam Weed (Chromolaena Odorata) is a perennial shrub in the Asteraceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 9-12. This plant is toxic to cats and dogs — keep it out of reach of pets.
Chromolaena odorata is a fast-growing perennial shrub native to the Americas, widely invasive in tropical regions.

Siam Weed
Chromolaena Odorata
Chromolaena odorata is a fast-growing perennial shrub native to the Americas, widely invasive in tropical regions.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Siam Weed
Expert Care Tips
Pro tips from botanists and plant experts
Watering Tip
Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.
Humidity Trick
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Growth Hack
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