Watercress.

Auf einen Blick

Pflegestufe

Einfach

Pflanzenart

Aquatic perennial

Licht

Partial shade to full sun

Licht im Innenraum

Hell, indirekt

Gießen

Jeden Tag

Endgröße

1 to 2 feet

Wachstum

Schnell

Winterhärte

USDA 4 bis 9

Blütezeit

Late spring to early autumn

Pflege

Keep the soil or growing medium constantly saturated to mimic its natural stream habitat. Watch for yellowing leaves, which often signal that the water is not fresh enough or the plant is too dry. Ensure the water remains cool and clean to prevent rot.

Gießen

The roots must remain submerged or in waterlogged soil at all times.

Düngen

Use a balanced liquid fertilizer sparingly if the plants appear stunted.

Schneiden

Regularly harvest the stems to encourage bushier growth and prevent flowering.

Umtopfen

Refresh the growing medium or move to a larger container if the roots become too crowded.

Boden

Aquatic or very moist soil

Boden-pH

6.5 to 7.5

Temperatur

0 bis 25°C

Luftfeuchtigkeit

60 bis 90%

Trockenheitstoleranz

Gering

Lebensdauer

Perennial, typically 2 to 3 years.

Wildverbiss-Resistenz

Mittel

Sicherheit

Menschen

It is generally safe to eat, but excessive consumption may cause stomach irritation.

Kinder

There are no specific safety concerns for children, though they should be supervised near water sources.

Kontaktallergene

The sap can occasionally cause mild skin irritation in sensitive individuals.

Allergene in der Luft

Pollen is not typically a significant airborne allergen.

Essbarkeit

Watercress must be harvested from clean, flowing water to avoid contamination by liver flukes or harmful bacteria.

So erkennst du die Pflanze

• Small, rounded, dark green leaves
• Hollow, succulent, branching stems
• Tiny, four petaled white flowers
• Peppery, mustard like flavor profile

Höhe

0,1 bis 0,3m

Breite

0,3 bis 1m

Blätter

green, semi-evergreen

Blüten

white, 0,5 bis 1cm

Früchte

green, Summer to autumn

Häufige Probleme

• Whitefly — Small white insects that feed on the undersides of leaves.
• Leaf spot — Fungal infection causing dark spots on foliage.

Standort und Pflege

Vermehrung

seed, cuttings

Pflanzzeit

spring, autumn

Überwinterung

In cold climates, move containers indoors to a bright, cool spot or ensure the water does not freeze solid.

Im Kübel

It grows well in containers if kept constantly wet in a deep saucer of water.

Group watercress with other moisture loving herbs to simplify your watering routine.

Gute Pflanzpartner

• Minze — Both plants enjoy consistent moisture and similar growing conditions.

Ähnliche Arten

• Cardamine hirsuta — It shares a similar peppery flavor and appearance but prefers drier soil.

Botanisches

Familie

Brassicaceae

Gattung

Nasturtium

Ordnung

Brassicales

Klasse

Magnoliopsida

Ursprüngliche Heimat

Europe and parts of Asia.

Artenschutz

It is a common plant and not of conservation concern.

It grows in shallow, cool, flowing water where it filters nutrients through its roots.

Nutzen für Wildtiere

larval host plant, nectar source

Bestäuber

Bienen, Schmetterlinge

Verwendung

culinary herb, garnish, salad green

Taxonomie abgeglichen mit GBIF.

Häufige Fragen

Can I grow it in a pot?

Yes, keep the pot sitting in a tray of water to mimic its natural habitat.

How do I harvest it?

Snip the stems just above the water line, leaving the roots to regrow.

Woher der Name kommt

The name Nasturtium comes from the Latin nasus tortus, meaning twisted nose, referring to the pungent reaction to its peppery leaves.

Gut zu wissen

• Watercress is a member of the mustard family.
• It was once used as a remedy for scurvy due to high vitamin C content.
• The plant grows best in cold, clear, running water.