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Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i
Oyama magnolia (Magnolia sieboldii)-i

Oyama magnolia

Scientific name
Magnolia sieboldii

Basic Information

Magnoliaceae Family Magnolia Genus Oyama magnolia Species
Magnoliaceae > Magnolia > Magnolia sieboldii
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  • Broad-leaved tree
  • Perennial
  • Shrub
  • Tree
Height
300cm ~ 1000cm
Flower Color
Leaf Color
Anthesis
summer
Sunlight Exposure
Partial Shade
Hardiness Zones
4-8
Cold resistance
Good
Heat resistance
Fair
Habitat of origin
Japan, China, Korea
Growth Rate
Slow

What is Oyama magnolia (Magnolia sieboldii)?

What is Oyama magnolia (Magnolia sieboldii)

Oyama magnolia, also known as Magnolia sieboldii, is a deciduous shrub native to Japan and Korea. A large, white flower with a natural scent and blush at the base blooms yearly in the spring to early summer. The blossoms show a one-of-a-kind look with big, decorative petals and a bright cluster of red center parts. This decorative plant is treasured for its aesthetic beauty and is frequently utilized in landscapes and gardens. Magnolia sieboldii grows relatively simply, prefering damp, well-drained earth and partial shade. It can reach 10-20 feet high and 10-15 feet wide, making it a medium-sized hedge. The fruit of the Oyama magnolia is a cone-like form containing red seeds when ripe.

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Flower meaning

The flower words often used in the United States referring to Oyama magnolia are: Beauty Dignity Nobility One representative example is

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Calendar of Oyama magnolia (Magnolia sieboldii)

Calendar

Oyama magnolia blooms in late spring to early summer in the U.S., peaking in May. The flowers last 2-3 weeks. Proper care including adequate watering, sunlight, and post-bloom pruning can extend the flowering period. Regular maintenance and monitoring help ensure a longer blooming season. Check plant guides for details on when Oyama magnolias flower in your area.

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How to grow Oyama magnolia (Magnolia sieboldii)

Watering

For Oyama magnolia, watering frequency should be adjusted based on the season. During spring and summer, water deeply once a week. In winter, reduce watering frequency to once every 2 weeks to prevent waterlogging. Confirm the soil is well-draining to avoid root rot. Insert a finger into the soil to check soil humidity; if it feels dry up to 2.5 cm deep, it's time to water. Adapt the quantity of water based on the size of the plant and pot. Manage watering according to the plant's size and the environmental conditions as it may cause yellowing leaves or wilting.

Laura
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Soil and Fertilizer

Oyama magnolia grows well in acidic, well-drained dirt with a pH of 5.0 to 6.5. It thrives in nutrient-rich, organic ground that holds wetness but does not get waterlogged. Apply fertilizer in early spring with a balanced slow-release plant food to help healthy increase and flowering. Reapply fertilizer in late spring or early summer to keep continued growth, but avoid fertilizing in late summer or fall to stop new growth that could be damaged by winter frost. Use a fertilizer made for acid-loving greenery, following the maker's instructions for the correct amount based on the size and age of the plant. Regularly check soil value and pH to ensure optimal conditions for Oyama magnolia's growth.

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Sunlight and Place

Oyama magnolia thrives in full sun to partial shade, preferring at least 6 hours of direct sunlight daily. It exhibits moderate cold tolerance, able to withstand temperatures as low as -10°C. The plant also has good heat tolerance, but protection from intense afternoon sun in hotter climates is favorable. Ideal growing temperatures are 18-24°C. During summer, it profits from regular watering to maintain soil moisture. In winter, covering around the base helps protect the roots from freezing temperatures. Ensure the plant is situated in well-draining soil and receives adequate sunlight for vigorous growth.

Laura
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Advanced Information of Oyama magnolia (Magnolia sieboldii)

Pruning

Pruning Oyama magnolia helps maintain its shape, remove dead or damaged branches, and promote new growth. The best time for pruning is late winter or early spring before new growth emerges. It is essential to use sharp, clean tools to make precise cuts to avoid damaging the plant. Cut back any crossing or crowded branches to improve air circulation and sunlight exposure. After pruning, apply a balanced fertilizer to encourage healthy regrowth. Remove any plant debris from around the plant to prevent problems and insect pests.

Laura
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Planting and Harvest

Oyama magnolia is well-suited for container growth due to its modest size and adaptability. To grow Oyama magnolia in a pot, select a container with drainage holes. Fill the pot with a well-draining soil mixture. Plant the magnolia at the same depth it was originally growing. After planting, water thoroughly. Position the potted plant in an area receiving bright but indirect sunlight. Every 2-3 years, repot the Oyama magnolia into a slightly larger container. This prevents the roots from becoming crowded. Monitor the plant for signs of stress such as yellow leaves or stunted growth, and check for root rot or inadequate light.

Laura
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Propagation

Oyama magnolia can be propagated through seeds, cuttings, and division. A well-draining soil mix is required, kept moist, and placed in a warm, bright location for sowing seeds. Take stem cuttings in spring or summer, treat with rooting hormone, and plant in a soilless mix. For division, separate the plant’s root ball into sections, ensuring each has roots and shoots. Utilize a combination of these methods to enhance propagation success. Harvest seeds when mature and dry, and store in a cool, dry place until sowing.

Laura
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Pests and Diseases

Oyama magnolia is susceptible to various pests and diseases, including scale insects, aphids, and powdery mildew. Scale insects can cause yellowing of leaves and stunted growth, while aphids can lead to distorted leaves and reduced plant vigor. Powdery mildew appears as a white powdery substance on the leaves, affecting photosynthesis. Regular inspections and treatments with insecticidal soap help manage these pests. Proper spacing between plants can help reduce the spread of powdery mildew. Withering in Oyama magnolia can be caused by root rot, often due to overwatering or poorly drained soil. Ensuring well-draining soil and avoiding excessive watering can help prevent root rot and subsequent withering. Regularly monitoring the plant's health and addressing any issues promptly can help maintain the vitality of Oyama magnolia.

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Habitat of Oyama magnolia (Magnolia sieboldii)

Habitat

Toxicity of Oyama magnolia (Magnolia sieboldii)

Health Benefits

edible
Inedible
Toxic
No toxicity

NO DATA

Toxic for dogs and cats

NO DATA

Q&A of Oyama magnolia (Magnolia sieboldii)

  • What are the ornamental qualities and care requirements of the Oyama magnolia tree?

  • Is there a recommended way to choose?