Pink Knotweed (Persicaria capitata)

Common names:
Give a thumbs up Pink Knotweed
Give a thumbs up Japanese Knotweed
Give a thumbs up Pink Bubble Persicaria
Give a thumbs up Pinkhead Smartweed

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
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 7b -15 °C (5 °F) to -12.2 °C (10 °F)
Maximum recommended zone: Zone 10b
Plant Height: 2 to 3 inches
Plant Spread: Forms dense carpets 2 to 4 feet or more.
Leaves: Unusual foliage color
Deciduous
Malodorous
Other: Green, highlighted with reddish-brown chevron design.
Fruit: Other: Achene, reddish-brown in color.
Flowers: Showy
Flower Color: Pink
Bloom Size: Under 1"
Flower Time: Summer
Late summer or early fall
Underground structures: Taproot
Suitable Locations: Xeriscapic
Houseplant
Uses: Groundcover
Medicinal Herb
Will Naturalize
Suitable as Annual
Wildlife Attractant: Bees
Resistances: Humidity tolerant
Drought tolerant
Propagation: Seeds: Other info: Will readily self seed.
Propagation: Other methods: Cuttings: Stem
Containers: Suitable for hanging baskets
Needs excellent drainage in pots

Knotweed 001

This plant is tagged in:
Image

Plant Events from our members
lovesblooms On February 23, 2018 Seeds sown
wintersown
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
I see this ground cover everywhere lately. Anyone know its name? SF Bay Area. by SFBayAreaGardener May 11, 2020 2:33 PM 5
unknown plant by sboon Aug 13, 2017 6:00 AM 3
Photo ID #21 by ElJardineroGringo Jan 17, 2017 9:38 AM 2
Groundcover ID needed by toy747 Aug 27, 2016 9:13 AM 3
Is this a houseplant growing outside? by Natalie Jul 27, 2014 7:31 PM 26
Haves and wants by Joy Jul 23, 2015 4:24 PM 6

« Add a new plant to the database

« The Plants Database Front Page

Today's site banner is by evermorelawnless and is called "Approaching Lavender"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.