Pine trees are a common sight in the state of Michigan, with several species thriving in the region’s diverse climate and soil conditions. Understanding the growth rates of these majestic trees is crucial for homeowners, landscapers, and forestry professionals alike. In this comprehensive blog post, we’ll explore the growth patterns of three prominent pine species found in Michigan: the Eastern White Pine, Loblolly Pine, and Mondell Pine.
What is the Growth Rate of Eastern White Pine (Pinus strobus) in Michigan?
The Eastern White Pine is a native species to Michigan and is known for its rapid growth, particularly in its early years. According to the data gathered, an Eastern White Pine can reach the following growth milestones:
- Early Growth: At 3 years old, the tree can reach a height of 5 inches (13 cm), and by 5 years old, it can grow up to 12 inches (30 cm) in height.
- Periodic Height Growth: Between the ages of 10 and 15 years, the tree can experience a growth increment of 1 meter (3 ft) per year on a site index of 80 (base 50 years).
- Maximum Growth: The Eastern White Pine can achieve a maximum growth rate of 1.0 meter (3.4 ft) per year at age 14 on a site index of 36.6 meters (120 ft), and 0.5 meters (1.5 ft) per year at age 23 on a site index of 18.3 meters (60 ft).
- Annual Growth Rate at Age 55: At 55 years old, the Eastern White Pine can still maintain an annual growth rate of about 0.3 meters (1.0 ft) per year.
To thrive, the Eastern White Pine prefers moist, slightly acidic, and well-drained soils, and it requires at least partial sun exposure, with a minimum of 4 hours of direct sunlight per day.
What is the Growth Rate of Loblolly Pine (Pinus taeda) in Michigan?
The Loblolly Pine is not native to Michigan, but it has been successfully introduced and grown in the state. This species is known for its rapid growth, particularly in ideal conditions. According to the data gathered, the Loblolly Pine can achieve the following growth rates in Michigan:
- Average Annual Height Growth: 3-5 feet (0.9-1.5 meters) per year.
- Maximum Growth: 4-6 feet (1.2-1.8 meters) per year in ideal conditions.
The Loblolly Pine thrives in well-drained, acidic soils with a pH range of 5.5-6.5 and requires full sun to partial shade, with at least 6 hours of direct sunlight per day.
What is the Growth Rate of Mondell Pine (Pinus eldarica) in Michigan?
The Mondell Pine, also known as the Afghan Pine, is another non-native species that has been successfully grown in Michigan. While not as fast-growing as the Eastern White Pine or Loblolly Pine, the Mondell Pine can still achieve respectable growth rates in the state. According to the data gathered, the Mondell Pine can reach the following growth milestones in Michigan:
- Average Annual Height Growth: 2-3 feet (0.6-0.9 meters) per year.
- Maximum Growth: 3-4 feet (0.9-1.2 meters) per year in ideal conditions.
The Mondell Pine prefers well-drained, alkaline soils with a pH range of 7.0-8.0 and requires full sun to partial shade, with at least 6 hours of direct sunlight per day.
In summary, the growth rates of pine trees in Michigan can vary significantly depending on the species, soil conditions, and sunlight exposure. The Eastern White Pine is the fastest-growing of the three, capable of reaching impressive heights in a relatively short period. The Loblolly Pine and Mondell Pine, while not native to the state, can also thrive and achieve respectable growth rates when planted in the appropriate conditions.
By understanding the specific growth characteristics of these pine species, homeowners, landscapers, and forestry professionals can make informed decisions when selecting and managing pine trees in Michigan.
References:
- https://srs.fs.usda.gov/pubs/misc/ag_654/volume_1/pinus/strobus.htm
- https://www.michigan.gov/dnr/education/michigan-species/plants-trees/whitepine
- https://www.a2gov.org/departments/sustainability/Sustainability%20Natural%20Resources/PublishingImages/Pages/10,000-Trees/Eastern%20White%20Pine.pdf