Water
Maintain consistent soil moisture, particularly during the growing season. Avoid prolonged drought, which can stress the plant. Water thoroughly when the top inch of soil is dry.
Reynoutria x bohemica, also known as Bohemian knotweed, is a vigorous hybrid perennial recognized for its invasive potential and dense, upright growth.
At-a-glance light, water, soil, and growing conditions from plant data
Prefers full sun to partial shade.
100% intensity
Tolerates a wide range of light conditions.
Keep soil consistently moist, especially during dry spells.
100% intensity
Water deeply when the top soil is dry.
Adaptable to most soil types, including poor or disturbed soils. Prefers well-drained, fertile loam but tolerates clay and sandy conditions.
50% intensity
Thrives in moderate temperatures.
100% intensity
Ideal growing range is 15-25 °C.
Outdoor
50% intensity
Generally not needed; it grows well in poor soil.
100% intensity
Avoid over-fertilizing to prevent increased invasiveness.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Maintain consistent soil moisture, particularly during the growing season. Avoid prolonged drought, which can stress the plant. Water thoroughly when the top inch of soil is dry.
Pruning is primarily for containment or removal due to its invasive nature. Cut back stems in late winter or early spring before new growth begins. For removal, repeated cutting and digging are necessary.
Primarily spreads vegetatively through rhizomes and stem fragments. Seeds are rarely produced or viable. Manual division of rhizomes is the main method of propagation, though this is discouraged due to invasiveness.
Not applicable for this species as it is typically grown outdoors and is highly invasive. If grown in a container for containment purposes, repotting would be necessary every 2-3 years into a larger pot with fresh soil.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Reynoutria Bohemica (Reynoutria × bohemica)
Where Reynoutria Bohemica (Reynoutria × bohemica) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Species | Reynoutria × bohemica |
Similar in genus Reynoutria
Answers based on plant encyclopedia data
