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Common reed.

Phragmites australis

Aussprache frag-MY-teez oss-TRAH-liss

Auch bekannt als Common Reed, Ditch Reed, Giant Reed, Phragmites, Reed Grass

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Common reed
Foto von Douglas Goldman (CC BY-SA) über iNaturalist

This is a tall, perennial grass that thrives in wetlands and along shorelines. It spreads aggressively through underground rhizomes, often forming dense stands. It is considered an invasive species in many parts of North America.

Auf einen Blick

Pflegestufe
Einfach
Pflanzenart
Perennial grass
Licht
Full sun
Licht im Innenraum
Direkte Sonne
Gießen
Alle 1 bis 3 Tage
Endgröße
15 feet
Wachstum
Schnell
Winterhärte
USDA 4 bis 10
Blütezeit
Late summer to early autumn

Pflege

This plant requires consistently moist or saturated soil to thrive. Keep an eye on its spread, as it can quickly overtake native vegetation in a garden setting. It is best suited for large, contained wetland areas rather than typical garden beds.

Gießen
Keep the soil constantly wet or submerged in shallow water.
Düngen
Usually does not require supplemental fertilizer in natural wetland settings.
Schneiden
Cut back dead stalks in late winter or early spring to encourage fresh growth.
Umtopfen
If grown in a container, divide the plant every year or two to prevent it from becoming root bound.
Boden
Wet, boggy, or marshy soil
Boden-pH
6.0 to 8.0
Temperatur
-30 bis 40°C
Luftfeuchtigkeit
60 bis 100%
Trockenheitstoleranz
Gering
Lebensdauer
Perennial, can live for many decades through rhizomatous spread.
Wildverbiss-Resistenz
Hoch

Anzeichen fürs Umtopfen

  • Roots growing out of the drainage holes.
  • The plant becomes stunted due to lack of space.
  • The soil dries out too quickly.

Sicherheit

Menschen
It is not considered toxic to humans.
Kinder
The sharp, serrated edges of the leaves can easily cut a child's skin if they run through the stalks.
Kontaktallergene
The sharp leaf edges can cause minor skin abrasions if handled without gloves.
Allergene in der Luft
The windborne pollen can trigger seasonal allergies in sensitive individuals.
Essbarkeit
The young shoots are sometimes consumed, but they must be properly identified and prepared to avoid potential contamination from polluted water sources.

So erkennst du die Pflanze

  • Tall, rigid, hollow stems
  • Large, feathery, plume-like flower heads
  • Long, flat, lance-shaped leaves
  • Spreads via extensive underground rhizomes
Höhe
2 bis 4m
Breite
1 bis 5m
Blätter
green, blue-green, deciduous
Blüten
purple, brown, tan, 15 bis 40cm
Früchte
brown, Autumn

Häufige Probleme

  • Aphids — Small insects that feed on the sap of the leaves.

Standort und Pflege

Vermehrung
division, seed, rhizome cuttings
Pflanzzeit
spring, autumn
Überwinterung
The stalks turn brown and die back in winter, but the rhizomes remain dormant underground. You can cut the dead stalks to the ground in late winter to tidy the area.
Im Kübel
It is not recommended for containers due to its massive root system and need for constant moisture.

Rhizome Division

  1. 1. Dig up a section of the rhizome in early spring.
  2. 2. Cut the rhizome into segments that include at least one node.
  3. 3. Plant the segments in moist soil at a depth of 5 cm.

Because this plant is so aggressive, it is best kept away from other garden plants that it might quickly smother.

Gute Pflanzpartner

  • Typha latifolia — They share similar wetland habitat requirements.
  • Common rush — It thrives in the same moist conditions as this grass.

Ähnliche Arten

  • Common reed — It is the primary species in the genus.

Botanisches

Familie
Poaceae
Gattung
Phragmites
Ordnung
Poales
Klasse
Liliopsida
Ursprüngliche Heimat
Cosmopolitan, found on every continent except Antarctica.
Artenschutz
While native in some regions, it is considered highly invasive in North America and is often subject to eradication programs.

It thrives in wet, nutrient rich soils and is highly effective at filtering water and stabilizing shorelines.

Nutzen für Wildtiere
nesting material for birds, larval host plant, cover for wetland wildlife
Bestäuber
Bienen, Schmetterlinge, Nachtfalter
Verwendung
erosion control, wetland restoration, thatching material

Im Jahresverlauf

JFMAMJJASOND
Blüte
Fruchtbildung
Laub

Ökologische Zeigerwerte

Salzgehalt
4/9
Bodenreaktion
6/9
Licht
8/9
Temperatur
5/9
Feuchtigkeit
9/9
Nährstoffe
7/9

Taxonomie abgeglichen mit GBIF.

Häufige Fragen

Is Phragmites australis invasive?
In many parts of North America, it is considered a highly invasive species that disrupts local wetland habitats.
Can I plant it in my garden?
It is strongly discouraged due to its aggressive spreading habit and potential to escape into local waterways.

Woher der Name kommt

The name Phragmites comes from the Greek word phragma, meaning fence or hedge, referring to its dense growth habit. The specific epithet australis means southern.

Gut zu wissen

  • It is one of the most widely distributed plants on the planet.
  • The rhizomes can grow up to 2 meters deep in the soil.
  • It has been used for centuries as a traditional material for roofing and baskets.

Auch in

Probleme mit Common reed?

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Dieser Ratgeber wurde mit KI erstellt und mit der GBIF-Taxonomie abgeglichen. Er dient zur allgemeinen Information und ersetzt keine gärtnerische oder tierärztliche Beratung. Hier erfährst du, wie wir diese Ratgeber erstellen.