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Pflanzenratgeber

Grass tree.

Xanthorrhoea preissii

Aussprache zan-thor-REE-uh PREE-see-eye

Auch bekannt als Balga

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Grass tree
Foto von Millie Brady (CC BY) über iNaturalist

This iconic Australian native is a slow growing plant that develops a thick, blackened trunk over many years. It produces a tall, dramatic flower spike that can reach several feet in height. You will love how it adds a unique, architectural look to your garden.

Ein weiteres Foto von Grass tree
Foto von Rob Beattie (CC BY) über gbif

Auf einen Blick

Pflegestufe
Mittel
Pflanzenart
Perennial shrub
Licht
Full sun
Licht im Innenraum
Direkte Sonne
Gießen
Alle 14 bis 30 Tage
Endgröße
3 to 5 meters
Wachstum
Langsam
Winterhärte
USDA 9 bis 11
Blütezeit
Winter to spring

Pflege

Ensure the soil drains exceptionally well to prevent root rot, as these plants are very sensitive to excess moisture. Watch for yellowing leaves or a soft trunk, which are clear signs of overwatering. They thrive best when left undisturbed in a sunny spot.

Gießen
Water sparingly, allowing the soil to dry out completely between sessions.
Düngen
Use a low phosphorus native plant fertilizer during the growing season.
Schneiden
Only remove dead, brown leaves from the base of the crown.
Umtopfen
These plants dislike root disturbance, so only repot when absolutely necessary.
Boden
Sandy, well draining soil
Boden-pH
Acidic to neutral
Temperatur
-5 bis 40°C
Luftfeuchtigkeit
20 bis 60%
Trockenheitstoleranz
Hoch
Lebensdauer
Perennial, can live for several hundred years.
Duft
Leicht
Wildverbiss-Resistenz
Hoch

Anzeichen fürs Umtopfen

  • Roots growing out of the drainage holes.
  • Water sitting on the surface for too long.
  • The plant appears stunted or stops growing.

Sicherheit

Menschen
The resin is generally considered non-toxic, but ingestion is not recommended.
Kinder
The stiff, needle-like leaves are sharp and pose a puncture risk to small children.
Kontaktallergene
The sharp, stiff leaf tips can cause mechanical skin irritation.
Allergene in der Luft
The pollen produced during flowering can trigger mild allergic reactions in sensitive individuals.
Essbarkeit
The plant is not considered edible and should not be consumed.

So erkennst du die Pflanze

  • Long, thin, grass like leaves
  • Thick, blackened, resinous trunk
  • Tall, cylindrical flower spikes
  • Dense, rounded foliage crown
Höhe
1,5 bis 3m
Breite
1 bis 2m
Blätter
green, blue-green, evergreen
Blüten
cream, white, 1 bis 2cm
Früchte
brown, Summer

Häufige Probleme

  • Root rot — Fungal decay caused by overly wet soil conditions.

Standort und Pflege

Vermehrung
seed
Pflanzzeit
spring, autumn
Überwinterung
Ensure the plant is kept in a frost-free environment if temperatures drop below freezing. Keep the soil very dry during the winter months to prevent rot.
Im Kübel
It can be grown in large, deep pots with excellent drainage, but prefers being planted in the ground.

Seed propagation

  1. 1. Collect mature seeds from the dry flower spike.
  2. 2. Sow seeds in a well-draining sandy potting mix.
  3. 3. Keep the soil lightly moist until germination occurs.
  4. 4. Transplant seedlings carefully once they are large enough to handle.

Group with other drought-tolerant Australian natives to ensure consistent water needs.

Gute Pflanzpartner

  • Banksia — They share similar requirements for well-draining, nutrient-poor soil.
  • Anigozanthos — They provide a striking textural contrast in dry, sunny gardens.

Ähnliche Arten

  • Xanthorrhoea australis — It is a closely related species with a similar growth habit and appearance.

Botanisches

Familie
Asphodelaceae
Gattung
Xanthorrhoea
Ordnung
Asparagales
Klasse
Liliopsida
Ursprüngliche Heimat
Southwestern Australia
Artenschutz
This species is protected in its native range and wild collection is strictly regulated.

It is a fire-adapted species that relies on periodic burning to clear competition and stimulate flowering.

Nutzen für Wildtiere
nectar source, habitat for insects
Bestäuber
Bienen, Schmetterlinge, Käfer
Verwendung
ornamental specimen, xeriscaping, coastal garden

Im Jahresverlauf

JFMAMJJASOND
Blüte
Fruchtbildung
Laub

Ökologische Zeigerwerte

Salzgehalt
4/9
Bodenreaktion
5/9
Licht
8/9
Temperatur
7/9
Feuchtigkeit
2/9
Nährstoffe
1/9

Taxonomie abgeglichen mit GBIF.

Häufige Fragen

How fast does it grow?
It is extremely slow, growing only 1 to 2 centimeters of trunk per year.
Does it need fertilizer?
It is adapted to nutrient-poor soils and generally does not require supplemental feeding.

Woher der Name kommt

The genus name comes from the Greek words for yellow and flow, referring to the resin. The specific epithet honors the German botanist Ludwig Preiss.

Gut zu wissen

  • It is commonly known as a grass tree.
  • The trunk is actually a dense accumulation of old leaf bases and resin.
  • It often flowers more prolifically following a bushfire.
  • The resin was historically used as a glue by Indigenous Australians.

Auch in

Probleme mit Grass tree?

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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.