Alnus pendula
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Alnus pendula

Rhombie leaf alder · White alder

Tier 1 Difficulty: easy Water: low Light: full_sun
0
Soil pH
6–8
Hardiness
Zone 3–7
0
Observations
1

Description

Source: wikipedia (CC BY-SA)

Alnus pendula is a species of flowering plant in the alder genus Alnus, native to Honshu and Hokkaido islands of Japan. An "exceptionally attractive" and "extremely elegant" large shrub or small tree, sources differ on whether it is introduced or native to Korea.

Care Guide

💧 Water
☀️ Light Full sun

The Drooping Alder originates from open habitats like sunny fields and the margins of forests which offer plenty of sunlight. It flourishes in areas with Full Sun, but can also withstand Partial Sun, showcasing its adaptability to different light circumstances.

Ideal: Full sun
FAQ
What are the sunlight requirements for Alnus pendula?

Alnus pendula requires specific sunlight conditions to thrive. For full sun exposure, it needs more than 6 hours of sunlight daily. If the plant is in a location with partial sun, it should receive about 3-6 hours of sunlight per day. It's important to observe the way sunlight moves through your garden to find spots that offer a perfect balance of light and shade. This careful placement ensures your Alnus pendula's health and happiness.

🌡️ Temperature 0–32.2°C

The Drooping Alder is highly adaptable to different weather conditions, be it blistering summers or freezing winters. Nonetheless, there is an ideal temperature range for its growth. The plant may become susceptible to heat and humidity stress when temperatures rise exceedingly high, potentially leading to its death. In areas where temperatures near the bottom limit of its cold tolerance, it becomes crucial to take steps to insulate the plant for its protection.

Ideal temperature: 0–32.2°C
💨 Humidity
Humidity:
🪴 Soil 6-8
Soil pH: 6-8
🌱 Fertilizer

Encourage robust growth in your Drooping Alder by fertilizing it at the beginning of spring. Consistent nourishment bolsters its general health, leading to strong growth, increased toughness under harsh conditions, and enhanced resistance to diseases and pests. Uphold a specific nourishment timetable for your Drooping Alder to guarantee lively leaves of deep hue and a dense appearance.

🪴 Pot & Repot
✂️ Pruning

Alnus pendula, known for its elegant, drooping branches, benefits from regular pruning. To encourage healthy growth and maintain its shape, it is best to prune in early spring. During this time, remove any dead branches by cutting at an angle, which helps prevent water accumulation. Using clean, sharp tools will ensure optimal results and promote vigorous growth.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree
Life Cycle
Perennial
Genus
Alnus
Family
Betulaceae
Hardiness Zone
3-7
Mature Height
14.94 m to 20.12 m
Mature Spread
10.06 m to 14.94 m
Leaf Color
Lime Green, Dark Green
Leaf Type
Deciduous
Flower Color
Green, Brown
Flower Size
2.03 cm to 4.06 cm
Bloom Time
Late winter, Early spring
Planting Time
Spring, Autumn
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Japan

Tags (7)

Common Names (2)

en Rhombie leaf alder
en White alder