Bristly lady's thumb.

Auf einen Blick

Pflegestufe

Einfach

Pflanzenart

Annual herb

Licht

Full sun to partial shade

Licht im Innenraum

Hell, indirekt

Gießen

Alle 2 bis 4 Tage

Endgröße

1 to 2 feet

Wachstum

Schnell

Winterhärte

USDA 5 bis 9

Blütezeit

Mid summer to late autumn

Pflege

Keep the soil consistently moist to mimic its natural damp habitat. Watch for wilting if the soil dries out too much. It is a vigorous grower so keep an eye on it to make sure it does not crowd out other plants.

Gießen

Keep the soil damp at all times.

Düngen

Use a balanced liquid fertilizer during the active growing season.

Schneiden

Trim back spent flower spikes to encourage more blooms.

Umtopfen

Since it is an annual, you will typically replace it each season.

Boden

Moist, fertile soil

Boden-pH

Neutral to slightly acidic

Temperatur

-10 bis 35°C

Luftfeuchtigkeit

40 bis 80%

Sicherheit

Menschen

There are no reports of significant toxicity to humans.

Kinder

The small seeds and stems pose a minor choking hazard if ingested by small children.

Kontaktallergene

The stems can cause mild skin irritation in sensitive individuals.

Allergene in der Luft

Pollen may cause mild reactions in those prone to seasonal allergies.

Essbarkeit

This plant is not considered edible and should not be consumed.

So erkennst du die Pflanze

• Pink flower spikes
• Bristly leaf sheaths
• Lance shaped green leaves
• Reddish stems
• Small dark seeds

Höhe

0,2 bis 0,6m

Breite

0,3 bis 0,9m

Blätter

green, deciduous

Blüten

pink, magenta, 0,5 bis 1cm

Früchte

black, Autumn

Häufige Probleme

• Aphids — Small insects that cluster on new growth and suck plant sap.

Standort und Pflege

Vermehrung

seed

Pflanzzeit

spring

Pair this plant with other moisture loving species to create a lush, low maintenance border.

Gute Pflanzpartner

• Eutrochium purpureum — They share similar moisture needs and provide a nice height contrast.
• Cardinal flower — Both thrive in the damp conditions this plant prefers.

Ähnliche Arten

• Persicaria maculosa — It has a similar growth habit but features a dark spot on its leaves.

Botanisches

Familie

Polygonaceae

Gattung

Persicaria

Ordnung

Caryophyllales

Klasse

Magnoliopsida

Ursprüngliche Heimat

Eastern Asia

Artenschutz

It is considered an invasive weed in many regions outside its native range.

It colonizes open, moist, and disturbed habitats by producing vast quantities of easily dispersed seeds.

Nutzen für Wildtiere

nectar source

Bestäuber

Bienen, Schmetterlinge

Verwendung

ground cover, pollinator garden, naturalized areas

Taxonomie abgeglichen mit GBIF.

Häufige Fragen

Is it invasive?

Yes, it spreads aggressively by seed and is considered invasive in parts of North America.

How do I control it?

Pull the plants before they set seed to prevent further spread.

Woher der Name kommt

The name Persicaria comes from the Latin word for peach, referring to the leaf shape, while longiseta refers to the long bristles on the stem sheaths.

Gut zu wissen

• It is often called bristly knotweed due to the stiff hairs on its stem sheaths.
• The plant thrives in damp, disturbed soil like riverbanks or garden beds.
• It can produce thousands of seeds in a single season.