Giant Sumpweed (Cyclachaena Xanthiifolia) is a annual herb in the Asteraceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 3-9. This plant is toxic to cats and dogs — keep it out of reach of pets.
Cyclachaena xanthiifolia is a North American annual herbaceous plant in the sunflower family, known for its erect stems and coarse foliage.

Giant Sumpweed
Cyclachaena Xanthiifolia
Cyclachaena xanthiifolia is a North American annual herbaceous plant in the sunflower family, known for its erect stems and coarse foliage.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Giant Sumpweed
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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