Reynoutria compacta
Japanese Knotweed

Previously known as: Fallopia japonica var. compacta, Polygonum japonicum var. compactum

This plant is considered invasive.

Fallopia japonica var. compacta - Groundcover Habit

Family:

Polygonaceae (Buckwheat Family) 2

Genus:

Reynoutria (Japanese Knotweed) 1

Plant Type:

Liana (Climbing Vine) 43

Hardiness:

USDA Zone 4 520

Deciduous / Evergreen:

Deciduous 839

Flower Notes:

White (Fuzzy flowers July through September)

Foliage Notes:

Green (Bright green summer foliage)

Fruit Notes:

Red (Small and borne profusely; attractive)

Ultimate Height:

2 feet

Ultimate Spread:

8-12 feet

Fruiting Times:

September 164

Light Requirements:

Soil Notes:

Adaptable to poor, dry soils

Range:

Japan

Diagnostic Characteristics:

Alternate, simple, 3-6" long leaves are round to ovate, end in an abrupt point, and have crimped margins. Greenish-white flowers and small reddish-pink fruit together in pyramidal panicles in summer and fall.

Purdue Plant Doctor

Parts and Problems of Japanese Fleeceflower

Special Characteristics:

Fast Growth Rate 229

Notable Texture 282

Indiana Prohibited Sale 19

Midwest Invasive 42

Pest and/or Disease Resistant 96

Tolerant of Poor Site Conditions 187

Additional Information

Handsome groundcover with summer color. Adaptable to poor, dry soils. Just a root cutting stuck in poor soil will lead to an aggressive spreading groundcover. Spreads by underground stems; can be very invasive. Fall color not attractive (best to mow it down in the fall).

Plant Photo Gallery

Fallopia japonica var. compacta - Groundcover Habit

Groundcover Habit

Fallopia japonica var. compacta - Leaves

Leaves

Fallopia japonica var. compacta - Leaf

Leaf

Fallopia japonica var. compacta - Flowers

Flowers

Fallopia japonica var. compacta - Flowers and Fruits

Flowers and Fruits

Fallopia japonica var. compacta - Fruits

Fruits

Fallopia japonica var. compacta - Stem

Stem

Fallopia japonica var. compacta - Winter Habit

Winter Habit

Fallopia japonica var. compacta - Winter Stems

Winter Stems

When Reynoutria compacta has been observed flowering or fruiting at Purdue University

Flowering

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Fruiting

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

Week 1 fruiting not present	Week 2 fruiting not present	Week 3 fruiting not present	Week 4 fruiting not present	Week 5 fruiting not present	Week 6 fruiting not present	Week 7 fruiting not present	Week 8 fruiting not present	Week 9 fruiting not present	Week 10 fruiting not present	Week 11 fruiting not present	Week 12 fruiting not present	Week 13 fruiting not present	Week 14 fruiting not present	Week 15 fruiting not present	Week 16 fruiting not present	Week 17 fruiting not present	Week 18 fruiting not present	Week 19 fruiting not present	Week 20 fruiting not present	Week 21 fruiting not present	Week 22 fruiting not present	Week 23 fruiting not present	Week 24 fruiting not present	Week 25 fruiting not present	Week 26 fruiting not present	Week 27 fruiting not present	Week 28 fruiting not present	Week 29 fruiting not present	Week 30 fruiting not present	Week 31 fruiting not present	Week 32 fruiting not present	Week 33 fruiting not present	Week 34 fruiting not present	Week 35 fruiting not present	Week 36 fruiting not present	Week 37 fruiting not present	Week 38 fruiting present	Week 39 fruiting present	Week 40 fruiting not present	Week 41 fruiting not present	Week 42 fruiting not present	Week 43 fruiting not present	Week 44 fruiting not present	Week 45 fruiting not present	Week 46 fruiting not present	Week 47 fruiting not present	Week 48 fruiting not present	Week 49 fruiting not present	Week 50 fruiting not present	Week 51 fruiting not present	Week 52 fruiting not present

Other plants like this Reynoutria compacta (Japanese Knotweed)

Persicaria polymorpha [sold as Giant White Fleeceflower]
[Giant White Fleeceflower]

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