Koenigia alpina
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Koenigia alpina

Alpine Knotweed · Mountain Knotweed

Tier 2 Difficulty: medium Water: low Light: full_sun
0
Soil pH
6–7
Hardiness
Zone 3–7
Click count
47
Observations
406

Description

Source: leafsnap

Koenigia alpina (synonym Aconogonon alpinum), commonly known as alpine knotweed, is similar to Koenigia alaskana, but differs in leaf size and achene characteristics. It is native to Europe and temperate Asia. It is one of the parents of the cultivated hybrid Koenigia × fennica, the other being Koenigia weyrichii.

Care Guide

💧 Water

Koenigia alpina thrives in moist environments and benefits from weekly watering, although it can withstand short periods of dryness. For indoor care, it's important to mist the plant periodically to simulate the humid conditions of its alpine origins. This helps maintain leaf health and supports its preference for cooler temperatures.

☀️ Light Full sun

alpine knotweed is a sun-loving perennial herbaceous plant native to open habitats, commonly found in meadows and grasslands. It prefers full sun but can also tolerate partial sun conditions.

Ideal: Full sun
🌡️ Temperature 0–32.2°C
Ideal temperature: 0–32.2°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

One application of fertilizer in spring is generally enough for alpine knotweed, although repeated feedings can maximize its growth. Apply fertilizer every month to every month and a half. Fertilization improves the leaves' appearance and function, helping maintain even color and a healthy texture. It also promotes root development and nutrient uptake for the plant's long-term health.

🪴 Pot & Repot
✂️ Pruning

Koenigia alpina showcases vibrant foliage and beautiful blooms. To maintain the plant's health and appearance, it is important to prune it from early to late spring. During pruning, remove any dead branches and thin out areas where the growth is too dense to improve airflow. Regular pruning not only enhances flowering but also helps prevent disease. Make sure to use clean, sharp tools to minimize stress on the plant, leading to a healthier and more attractive appearance.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Koenigia
Family
Polygonaceae
Hardiness Zone
3-7
Mature Height
0.91 m to 2.13 m
Mature Spread
1.52 m
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
White
Flower Size
2.54 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Early fall
Native Area
Turkey, India, Austria, Romania, Montenegro, Bulgaria, Pakistan, Armenia, Greece, Croatia, Ukraine, Serbia, Russia, China, Afghanistan, Kyrgyzstan, Kazakhstan, Italy, Spain, Switzerland, Mongolia, Koppen, Iran, Albania, Azerbaijan, South Korea, France

Tags (6)

Common Names (2)

en Alpine Knotweed
en Mountain Knotweed