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Description
Magnolia Grandiflora Goliath is a beautiful evergreen tree that belongs to the Magnoliaceae family. It is a hybrid cultivar that was created by crossing Magnolia grandiflora and Magnolia virginiana. This tree is known for its large, fragrant, creamy-white flowers that bloom in the summer and fall. The flowers can reach up to 12 inches in diameter and are a popular choice for floral arrangements. Magnolia Grandiflora Goliath is a popular choice for landscaping due to its ornamental value and ability to grow in a variety of soil types.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Magnoliales |
| Family | Magnoliaceae |
| Genus | Magnolia |
Appearance
Magnolia Grandiflora Goliath can grow up to 50 feet tall and 30 feet wide. It has an upright, pyramidal shape with dense, glossy, dark green foliage. The leaves are leathery, elliptical, and can reach up to 8 inches long and 4 inches wide. The flowers are 12 inches in diameter and have a strong, sweet fragrance. The fruit is a cone-shaped aggregate that contains red seeds.
Care Guide
To care for Magnolia Grandiflora Goliath, it is important to provide it with regular watering, fertilization, and proper soil and sunlight conditions. The tree prefers well-draining soil that is rich in organic matter. It can tolerate some drought, but it is best to water it regularly during dry spells. Fertilize the tree in the spring and fall with a balanced, slow-release fertilizer. The tree prefers full sun to partial shade and can tolerate a range of hardiness zones from 7-10.
Common Pests and Diseases
Magnolia Grandiflora Goliath is susceptible to a few pests and diseases, including scale, mealybugs, and leaf spots. Scale and mealybugs can be controlled with insecticidal soap or horticultural oil. Leaf spots can be prevented by avoiding overhead watering and providing good air circulation around the tree.
Habitat
Magnolia Grandiflora Goliath is native to the southeastern United States and can be found growing in a variety of habitats, including forests, wetlands, and along riverbanks.
Questions and Answers
Q: What is the hardiness zone for Magnolia Grandiflora Goliath?
A: Magnolia Grandiflora Goliath can tolerate hardiness zones 7-10.
Q: What is the size of the flowers of Magnolia Grandiflora Goliath?
A: The flowers of Magnolia Grandiflora Goliath can reach up to 12 inches in diameter.
Q: What are some common pests of Magnolia Grandiflora Goliath?
A: Scale and mealybugs are common pests of Magnolia Grandiflora Goliath.
Q: What is the best time to fertilize Magnolia Grandiflora Goliath?
A: It is best to fertilize Magnolia Grandiflora Goliath in the spring and fall with a balanced, slow-release fertilizer.
Related Plants
- Magnolia grandiflora
- Magnolia virginiana
- Magnolia stellata
- Magnolia acuminata
References
- “Magnolia grandiflora ‘Goliath’.” Missouri Botanical Garden. Accessed September 15, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b564.
- “Magnolia grandiflora ‘Goliath’.” The Morton Arboretum. Accessed September 15, 2021. https://www.mortonarb.org/trees-plants/tree-plant-descriptions/magnolia-grandiflora-goliath.
- “Magnolia grandiflora Goliath.” Plant Finder. Accessed September 15, 2021. https://www.monrovia.com/plant-catalog/plants/398/magnolia-grandiflora-goliath/.
