Bohemian Knotweed

Fallopia x bohemica

Family: Polygonaceae
Genus: Fallopia (fal-OH-pee-uh) (Info)
Species: x bohemica



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Suitable for growing in containers

This plant is suitable for growing indoors


6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)

10-12 ft. (3-3.6 m)


10-12 ft. (3-3.6 m)


USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade

Partial to Full Shade



Bloom Color:

White/Near White

Bloom Time:

Mid Summer

Late Summer/Early Fall






This plant is resistant to deer

Other details:

May be a noxious weed or invasive

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:


Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From herbaceous stem cuttings

From softwood cuttings

From seed; direct sow after last frost

By simple layering

By air layering

By tip layering

By serpentine layering

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Properly cleaned, seed can be successfully stored

Gardeners' Notes:


On Apr 19, 2009, Invasive from Jamestown, KY wrote:

This plant Is so perfect In so many ways. For one if you do want privacy and you want privacy in a hurry, there Is no other plant on this planet that could do It any faster then this one. It makes such beautiful flowers, all nice and white and the bright green foliage and leaves will cheer you up in no time. This Is God's answer to privacy. What you need to do Is plant this and when It starts putting out new shoots, simply dig one of those shoots up and give to a family member or friend and let them enjoy the beauty and privacy that this plant can give. Before you know It you will have a bunch of this plant to give all family and friends.

Also have you ever took a substance called Resveratrol? If so guess where It comes from? Thats right It comes from this plant MANY herb co... read more


On Apr 17, 2009, giftgas from Everson, WA (Zone 7b) wrote:

A cross between Giant Knotweed, and Japanese Knotweed - It gains perfect flowers, which can produce seed, just like Giant Knotweed, and the speed and spreading ability of Japanese Knotweed.

Bohemian Knotweed will grow anywhere where the temperature is above freezing, and the plant is not fully submerged underwater. It will grow in any soil, and will spread via rhizomes up to 40' away from the parent plant.

There isn't a more aggressive, or invasive plant on earth.

Thus being said, there isn't a faster growing privacy screen than Bohemian Knotweed. Dig a trench, and fill it with me, it won't be able to punch through it.

Bohemian Knotweed has many other uses as well...

Do you have loud and disgusti... read more