May be invasive in some regions. Click to learn more →
Photo: Brian Oakes Haiti Hunter, CC BY
Siam weed
Chromolaena odorata
shrub☀️ full sun💧💧 moderate water❄ Hardy: Zone 10a – Zone 12b
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A fast-growing tropical shrub with aromatic foliage and clusters of small white or pale blue flowers. Highly invasive in many regions outside its native range.
A fast-growing tropical shrub with aromatic foliage and clusters of small white or pale blue flowers. Highly invasive in many regions outside its native range.
Climate Match for your location
See how well Siam weed grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
