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European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i
European alder (Alnus glutinosa)-i

European alder

Common name
European Alder,Black Alder
Scientific name
Alnus glutinosa

Basic Information

Betulaceae Family Alnus Genus European alder Species
Betulaceae > Alnus > Alnus glutinosa
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  • Broad-leaved tree
  • Indeciduous tree
  • Tree
Height
2000cm ~
Flower Color
Leaf Color
Anthesis
spring
Sunlight Exposure
Full Sun
Hardiness Zones
3-7
Cold resistance
Excellent
Heat resistance
Fair
Habitat of origin
Europe
Growth Rate
Fast

What is European alder (Alnus glutinosa)?

What is European alder (Alnus glutinosa)

European alder. scientifically known as Alnus glutinosa. is a deciduous tree that belongs to the Betulaceae family. It is native to Europe. where it is commonly found in wetland areas such as riverbanks and marshes. The tree can reach a height of up to 30 meters and has a shape with a crown. The flowers of Alnus glutinosa are small and inconspicuous. appearing in the form of catkins. The male catkins are in color. while the female catkins are green. The tree blooms in early spring. usually from February to April. The leaves of European alder are and oval-shaped with edges. They are sticky to the touch due to the presence of glandular hairs. The bark of the tree is when young. but becomes with age. The fruit of Alnus glutinosa is a small. cone-like structure called a strobile. Each strobile contains numerous tiny seeds that are dispersed by wind. European alder is relatively easy to grow and adapts well to various soil types. including wet and poorly drained soils. It is often used in projects due to its ability to tolerate wet conditions. In terms of symbolism. the alder tree is associated with protection. courage. and strength. It is also considered a symbol of balance and harmony in mythology. Overall. Alnus glutinosa is a versatile and resilient tree that plays an important ecological role in wetland ecosystems.

Jake
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Flower meaning

The plant language popularly utilized in America for the botanic European alder is thus: - European alder signifies safety. It links with safeguarding dear ones. - A different denotation for European alder is grit. It represents enduring tests. - Furthermore, European alder connects with poise. It signals the relevance of locating stillness in existence. - In flora vernacular, European alder also associates with instinct. It represents trusting gut feelings for resolutions. - Natal flower: European alder has no exact month. A typical illustration of floral tongue is European alder as safety. This connotation can be relayed by bestowing European alder posies to someone as caring. It indicates the wish to give a secure milieu for the recipient, highlighting their prosperity's importance. The European alder's link with safety can meaningfully voice affection and concern for someone's felicity and security.

Jake
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Calendar of European alder (Alnus glutinosa)

Calendar

European alder (Alnus glutinosa) often planted in America. Blooms early spring in March April. Flowers small and hang branches. Blooms 2-3 weeks. Plant sun, drain soil for long bloom. Water and fertilize also helps. Note alder valued for foliage not flowers. Focus on growth not blooming time.

Jake
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How to grow European alder (Alnus glutinosa)

Watering

The ideal frequency and technique for watering the European alder plant relies on diverse elements, counting seasonal differences, ground dampness, and the phase of development. During the growing period from autumn to early fall, the European alder needs regular hydration to conserve soil moisture. Experts vouchsafe deeply irrigating the organism once or two times per week, securing the ground is equally moist however not waterlogged. The quantity of fluid required can differ relying on the dimensions of the specimen and the climatic conditions, but a general standard is to furnish approximately 25 millimeters of aqueous per week. In wintertime, when the specimen is dormant, watering must be attenuated to impede waterlogging and root decay. It is consequential to examine the ground moisture levels and calibrate the watering frequency accordingly.

Jake
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Soil and Fertilizer

European alder, scientifically known as Alnus glutinosa, requires moist and well-drained soil. It prefers loam or sandy soils with a pH scope of 5.0 of 7.5. Root system is poor as the soil should have good water capability. To supply optimal growth, fertilization is important for European alder. Equal amounts of nitrogen (N), phosphorus (P), and potassium (K) is good. Apply fertilizer in early seasons and late periods. For young trees, give 1/4 of 1/2 pound of per tree, gradually upping the quantity as it develops. Evenly disperse the fertilizer around base avoiding direct contact with trunk. For developed trees, give 1 to 2 pounds of fertilizer by inch of diameter. Separate into multiple programs throughout season, ensuring amount is even. Seasonal testing of soil is key to monitor levels and change applications. Its imperative to pursue manufacturers guidance for the fertilizer.

Jake
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Sunlight and Place

The European alder, scientifically known as Alnus glutinosa, is a plant tolerant of various sun exposure. Moist, well-drained soil preferred, though adaptable. Withstands cold down to -20C. Survives heat to 30C. Requires minimum 6 hours direct sun daily. Versatile, tolerating both full sun and partial shade.

Jake
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Advanced Information of European alder (Alnus glutinosa)

Pruning

European alder, scientifically Alnus glutinosa, deciduous tree benefits regular pruning cutting maintain health shape tree well remove dead damaged diseased branches helps promote growth improve air inside. Best prune late winter early spring before starts grow. Pruning important use clean sharp tools make cuts minimize risk infection. Start removing dead diseased branches cutting healthy wood. Next thin crowded crossing branches improve structure. Avoid removing 25% tree's in single prevent stress potential harm. After apply sealant cut surfaces protect disease. Additionally regular every years help keep good shape prevent need more drastic.

Jake
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Planting and Harvest

European alder, scientifically known as Alnus glutinosa, is a deciduous tree that can also be grown in pots. Planting in container appropriate for folks having area limitation or desiring restrict enlargement of arbor. For embed European alder, select receptacle at minimum 18 inches profound and extensive, with proper spill points. Charge container with well-emptying potting combination, exiting adequate interval for root lump. Meticulously eradicate arbor from plant nursery holder, be cautious not impair beginnings. Situate root clump in inside of pot and occupy outstanding space with potting blend, delicately firming it around roots. Drench arbor completely in the wake of planting. Replacing ought to be finished like clockwork, or when tree outgrows flow holder. Cautiously eliminate arbor from pot, trim any encircling roots, and replant it in bigger holder with new potting blend.

Jake
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Propagation

European alder requires various methods such as sowing seeds, for division, to propagate, leaf cuttings. Collect mature seeds from the tree, sow them in well-draining soil mix. Keep the soil moist, place the container in a cool location. Germination occurs within weeks. Select a healthy, mature plant, divide the root ball into smaller sections. Each section should roots and shoots. Plant the divided sections in containers or ground, ensuring they are well-watered. Take semi-hardwood cuttings from current season's growth. Remove lower leaves, dip the cut end in rooting hormone. Plant the cuttings in well-draining soil mix, keep them warm, humid environment. Mist the cuttings to maintain moisture. Take healthy leaves, cut them into smaller sections with a vein. Plant the leaf sections in well-draining soil mix, keeping them moist, warm environment. Roots will develop from the veins, new plants will form. Harvesting can be done when the propagated plants have developed strong root systems, are ready for transplantation permanent locations.

Jake
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Pests and Diseases

European alder that Alnus glutinosa is likely to get sick from some dangerous organisms and illness. A general sickness is a sort of Phytophthora alni disease, making the roots decay and possibly killing the alder. The illness comes from a water mold moving through polluted land and water. Also, there is a sort of alder rust causing yellow and orange marks on the leaves. It makes the leaves drop off. A fungus spreads the rust through spores in the wind. The alder might also get attacked by some bugs. One is the alder leaf beetle Agelastica alni. It feeds on the leaves and can remove all the leaves. Another is the alder sawfly called Eriocampa ovata. It eats the leaves too and can eat away just the tissue between the veins. To prevent these, give the alder good care like water and fertilizer on a schedule. Watch the alder closely for any signs of bugs or disease. Remove and destroy any diseased plant parts. Use insect killer if needed. Also, plant types of alder that resist illness and pests.

Jake
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Habitat of European alder (Alnus glutinosa)

Habitat

Toxicity of European alder (Alnus glutinosa)

Health Benefits

edible
Inedible
Toxic
No toxicity

NO DATA

Toxic for dogs and cats

NO DATA

Q&A of European alder (Alnus glutinosa)

  • Is there a recommended way to choose European alder?