Yam.

Auf einen Blick

Pflegestufe

Mittel

Pflanzenart

Tuberous perennial vine

Licht

Full sun to partial shade

Licht im Innenraum

Hell, indirekt

Gießen

Alle 2 bis 4 Tage

Endgröße

3 to 10 meters

Wachstum

Schnell

Winterhärte

USDA 9 bis 12

Blütezeit

Mid to late summer

Pflege

Provide a sturdy trellis for the vines to climb as they grow rapidly during the season. Keep the soil consistently moist but not waterlogged to prevent tuber rot. Watch for yellowing leaves which can indicate poor drainage or nutrient issues.

Gießen

Keep the soil evenly moist throughout the growing season.

Düngen

Apply a balanced fertilizer monthly during the active growing phase.

Schneiden

Trim back dead or damaged vines to encourage healthy growth.

Umtopfen

Repot or replant tubers annually at the start of the new growing season.

Boden

Well draining, fertile, loamy soil

Boden-pH

5.5 to 6.5

Temperatur

15 bis 35°C

Luftfeuchtigkeit

60 bis 90%

Trockenheitstoleranz

Gering

Lebensdauer

Perennial, typically grown as an annual crop

Wildverbiss-Resistenz

Mittel

Sicherheit

Menschen

Raw tubers contain substances that can cause irritation and are considered toxic if not properly prepared.

Kinder

Keep tubers out of reach of children, as raw ingestion can cause severe mouth and throat irritation.

Kontaktallergene

Handling raw tubers can cause skin irritation due to the presence of calcium oxalate raphides.

Allergene in der Luft

There are no significant reports of respiratory allergies associated with this plant.

Essbarkeit

The tubers must be cooked thoroughly before consumption to neutralize calcium oxalate crystals and other compounds.

So erkennst du die Pflanze

• Heart shaped, opposite leaves
• Square, winged stems
• Large, underground starchy tubers
• Small, inconspicuous flowers
• Vining growth habit

Höhe

3 bis 10m

Breite

0,5 bis 2m

Blätter

green, deciduous

Blüten

white, yellow, 0,5 bis 1cm

Früchte

brown, Late autumn to winter

Häufige Probleme

• Yam mosaic virus — Causes leaf mottling and stunted growth.
• Scale insects — Sucking insects that weaken the vine.

Standort und Pflege

Vermehrung

tuber division, bulbils

Pflanzzeit

Spring

Überwinterung

In cooler climates, dig up the tubers after the first frost and store them in a cool, dry, dark place until spring.

Im Kübel

It can be grown in large containers of at least 20 liters, provided you have a tall trellis for the vines.

Use tall, sturdy plants as living trellises to save space and provide support for the vigorous vines.

Gute Pflanzpartner

• Mais — Provides a natural trellis for the yam vines to climb.
• Gartenbohne — Fixes nitrogen in the soil to support the heavy feeding yam.

Ähnliche Arten

• Dioscorea rotundata — A closely related species also grown for its edible tubers.

Botanisches

Familie

Dioscoreaceae

Gattung

Dioscorea

Ordnung

Dioscoreales

Klasse

Liliopsida

Ursprüngliche Heimat

Tropical Southeast Asia

Artenschutz

This species is widely cultivated and not currently of conservation concern.

It thrives in warm, humid tropical environments and climbs using twining stems to reach sunlight.

Nutzen für Wildtiere

nectar source

Bestäuber

Bienen, Käfer

Verwendung

food crop, ornamental vine

Taxonomie abgeglichen mit GBIF.

Häufige Fragen

Can I grow this in a pot?

Yes, but you need a very large container to accommodate the large tuber growth.

When do I harvest?

Harvest when the foliage begins to yellow and die back in late autumn.

Woher der Name kommt

The genus name honors the ancient Greek physician Dioscorides, while the species name alata refers to the winged stems.

Gut zu wissen

• It is also known as the greater yam or purple yam.
• The plant produces aerial tubers called bulbils that can also be used for propagation.
• It is a significant crop in the Philippines where it is called ube.
• The vines can grow quite long, often requiring sturdy trellising.