Variegated Japanese Knotweed (Reynoutria japonica 'Variegata') - Garden.org

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General Plant Information (Edit)
Plant Habit:	Herb/Forb
Life cycle:	Perennial
Sun Requirements:	Full Sun to Partial Shade
Water Preferences:	Mesic
Soil pH Preferences:	Slightly acid (6.1 – 6.5) Neutral (6.6 – 7.3) Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness:	Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone:	Zone 8b
Plant Height:	24 inches to 36 inches
Plant Spread:	24 inches to 36 inches
Leaves:	Variegated
Flowers:	Fragrant
Flower Color:	White
Flower Time:	Late summer or early fall
Wildlife Attractant:	Bees Birds Butterflies
Conservation status:	Least Concern (LC)

Conservation status:

Common names

Variegated Japanese Knotweed
Speckled Mexican Bamboo

Botanical names

Accepted: Reynoutria japonica
Synonym: Fallopia japonica

Photo Gallery

Location: In my garden, Cottage-in-the-Meadow Gardens, South Amana, IA
Date: summer

Uploaded by larryr

Location: At a nursery
Date: Apr 25, 2008 4:35 PM

Uploaded by Calif_Sue

Location: Manitoba, Canada
Date: 2017-06-13

Uploaded by DebbieC

Location: Manitoba, Canada
Date: 2016-07-19

Uploaded by DebbieC

Location: Bogie Lake Greenhouse, White Lake, MI
Date: 2012-06-09

Uploaded by DaylilySLP

Courtesy Crownsville Nursery

Uploaded by vic

Courtesy Crownsville Nursery

Uploaded by vic

Location: Manitoba, Canada
Date: 2016-06-16

Uploaded by DebbieC

Location: My Garden
Date: 2013-07-18

Uploaded by 4susiesjoy

Location: My Garden
Date: 2013-05-27
The leaves are a bright red when they emerge.

Uploaded by 4susiesjoy

Location: English Gardens, Dearborn Hts, MI
Date: 2013-07-08

Uploaded by DaylilySLP

Location: English Gardens, Dearborn Hts, MI
Date: 2010-05-28

Uploaded by DaylilySLP

Location: English Gardens, Dearborn Hts, MI
Date: 2013-07-08

Uploaded by DaylilySLP

Location: English Gardens, Dearborn Hts, MI
Date: 2013-07-08

Uploaded by DaylilySLP

Courtesy Crownsville Nursery

Uploaded by vic

Location: Benton, Arkansas
Date: 2014-09-21
Close Up of foliage and blooms of Variegated Japanese Knotwood (F

Uploaded by denisew1027

Location: My garden in N E Pa.
Date: 2015-06-19
The straight species is a real "stinker". I watch this 5 year ol

Uploaded by treehugger

Location: Manitoba, Canada
Date: 2015-08-03

Uploaded by DebbieC

Location: My Garden
Date: 2013-07-17

Uploaded by 4susiesjoy

Photo by Vikjk

Uploaded by Vikjk

Date: 2012-04-29
Young foliage.

Uploaded by treehugger

Date: 2012-04-03
Emerging plant in spring.

Uploaded by treehugger

Location: Allentown, Pennsylvania
Date: 2015-08-15

Uploaded by plantrob

This plant is tagged in:

Plant Events from our members
denisew1027	On August 29, 2015	Obtained plant Purchased second plant at 2nd Annual Iris and Plant Sale held at Salem United Methodist Church in Benton, AR.
denisew1027	On September 20, 2014	Obtained plant Purchased at 1st Annual Iris Sale at Salem UMC.

» Post your own event for this plant

Discussion Threads about this plant

Thread Title	Last Reply	Replies
Now thats an interesting plant... by DavidofDeLand	Sep 2, 2013 4:03 PM	0
Could this be Fallopia japonica? by purpleinopp	Jun 11, 2017 3:03 PM	5

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