Japanese Knotweed (Reynoutria Japonica) is a perennial herb in the Polygonaceae family with expert care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-9. This plant is safe for cats and dogs.
A robust, herbaceous perennial plant known for its bamboo-like stems and rapid growth.
Japanese Knotweed
Reynoutria Japonica
A robust, herbaceous perennial plant known for its bamboo-like stems and rapid growth.
Quick Facts
Safety
Growing Conditions
Care Calendar
Monthly care tasks for Japanese Knotweed
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
Group plants together to create...
Growth Hack
Rotate your plant every...
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