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Description
Magnolia Loebneri Merrill, also known as Loebner magnolia, is a deciduous tree that belongs to the Magnoliaceae family. It is a hybrid plant that was created by crossing Magnolia kobus and Magnolia stellata. The tree can reach a height of 20 to 30 feet and has a spread of 15 to 20 feet. It blooms in early spring before the leaves emerge, producing fragrant, white or pinkish-white flowers that can be up to 3 inches in diameter. The flowers are followed by cone-shaped fruits that contain red seeds. Magnolia Loebneri Merrill is a popular ornamental tree that is often used in landscaping.
Taxonomic Information
| Domain: | Eukaryota |
| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Magnoliopsida |
| Order: | Magnoliales |
| Family: | Magnoliaceae |
| Genus: | Magnolia |
Appearance
Magnolia Loebneri Merrill has a rounded shape with a dense crown of branches. The tree has smooth, gray bark and dark green leaves that are 3 to 6 inches long and 2 to 4 inches wide. The leaves are obovate in shape and have a glossy finish. In the fall, the leaves turn yellow before dropping off. The flowers of Magnolia Loebneri Merrill are among the most striking features of the plant. They are large, showy, and fragrant, with a star-like shape and 12 to 24 petals. The flowers are typically white, but some cultivars have pinkish-white blooms.
Care Guide
Magnolia Loebneri Merrill requires moderate care and attention to thrive. Here are some tips for caring for this plant:
Water: The tree prefers moist, well-drained soil. Water it regularly, especially during dry spells or when it is newly planted. Do not let the soil become waterlogged, as this can cause root rot.
Fertilization: Apply a balanced fertilizer in the spring and summer to encourage healthy growth and blooming. Do not fertilize in the fall or winter.
Soil: Magnolia Loebneri Merrill prefers a slightly acidic soil with a pH between 5.5 and 6.5. Amend the soil with organic matter, such as compost, to improve its drainage and fertility.
Sunlight: The tree prefers full sun to partial shade. Plant it in a location that receives at least 6 hours of direct sunlight per day.
Hardiness Zones: Magnolia Loebneri Merrill is hardy in USDA Zones 4 to 8.
Common Pests & Diseases
Magnolia Loebneri Merrill is susceptible to various pests and diseases, including:
Pests: Scale insects, spider mites, and aphids can infest the tree and cause damage to its leaves and branches. Treat infestations with insecticidal soap or horticultural oil.
Diseases: Magnolia Loebneri Merrill is prone to fungal diseases, such as powdery mildew and leaf spot. These diseases can cause yellowing, browning, or dropping of leaves. Treat infections with fungicides or remove infected leaves and branches.
Habitat
Magnolia Loebneri Merrill is native to Japan and was introduced to the United States in the early 1900s. The tree grows best in temperate regions with cool, moist summers and mild winters. It prefers well-drained soil and can tolerate partial shade.
Question and Answer
Q: How fast does Magnolia Loebneri Merrill grow?
A: Magnolia Loebneri Merrill grows at a moderate rate of 1 to 2 feet per year.
Q: When is the best time to plant Magnolia Loebneri Merrill?
A: The best time to plant Magnolia Loebneri Merrill is in the fall or early spring, when the soil is moist and cool.
Q: Can Magnolia Loebneri Merrill be grown in a container?
A: Yes, Magnolia Loebneri Merrill can be grown in a container as long as it is provided with adequate soil, water, and light.
Q: How long do the flowers of Magnolia Loebneri Merrill last?
A: The flowers of Magnolia Loebneri Merrill typically last for 2 to 3 weeks.
Related Plants
- Magnolia acuminata
- Magnolia grandiflora
- Magnolia liliiflora
- Magnolia stellata
- Magnolia virginiana
References
- “Magnolia loebneri ‘Merrill’.” Missouri Botanical Garden. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=l310
- “Magnolia loebneri.” Royal Horticultural Society. Retrieved from https://www.rhs.org.uk/plants/29578/magnolia-loebneri/details
- “Loebner Magnolia.” The Morton Arboretum. Retrieved from https://www.mortonarb.org/trees-plants/tree-plant-descriptions/loebner-magnolia
