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Alder
Alnus acuminata’s flowers are generally pollinated by the wind. It's an evergreen tree that can grow up to 30 m, and its maximum age can reach up to 60 years. Its timber preserves well and dries easily. It has odorless, brown-yellow wood used for broom handles, particle boards, and plywood cores.
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Perennial
Lifespan
Green
Leaf Color
12 cm
Flower Size
Green
Flower Color
Semi-evergreen, Deciduous
Leaf type
5 - 32 ℃
Ideal Temperature

Care Guide for Alder

Every 3 weeks
Water
Full sun
Sunlight
5 - 32 ℃
Ideal Temperature
Water: Alder thrives in moist environments, requiring watering every three weeks to support growth without over-saturation. Typically found in riparian zones, it benefits from periodic flooding, enhancing soil moisture crucial for its development.
Fertilize: For alder, fertilization is crucial for growth and health. Use balanced fertilizers during the growing season, switching to high-nitrogen formulas for leaf development, applying every 3-4 weeks in spring/summer. Incorporate one tablespoon per square foot, avoiding contact with the trunk, and reduce frequency as alder matures.
Pruning: Alder thrives with annual pruning in early spring to maintain health and shape. Techniques include removing dead branches, thinning crowds, and trimming overextended limbs. This practice enhances air circulation, reduces disease risk, and promotes growth. Use clean, sharp tools for best results.
Propagation: Alder propagation starts with seed collection and careful sowing in a fertile, well-draining medium for strong root development. Maintain proper moisture levels while avoiding water logging. Transplant seedlings carefully to protect their delicate roots, ensuring a successful growth start for alder.
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