How to Plant a Southern Magnolia Tree

Southern magnolia, also known as Magnolia grandiflora, is a beautiful evergreen tree that produces large, fragrant blooms in summer. If you live in a warm, humid climate, this tree is an excellent choice for your landscape. In this article, we'll guide you through the steps of planting a southern magnolia tree.

Step 1: Choose the Right Location

Southern magnolia trees thrive in full sun to partial shade and prefer well-draining, acidic soils. These trees can grow up to 80 feet tall and 40 feet wide, so make sure to plant them in a spacious area. Keep in mind that southern magnolias have a shallow root system. Avoid planting them near sidewalk, roadways, or buildings, as the roots can damage the infrastructure.

Step 2: Prepare the Soil

Growing a healthy southern magnolia tree requires the right soil. Before planting, make sure to test your soil pH levels. These trees prefer soil with a pH of 5.0 to 6.5. Prepare the planting site by digging a hole that's twice as wide as the root ball and as deep as the container. Mix in well-aged compost and a slow-release fertilizer to improve the soil's structure and provide the necessary nutrients for the tree.

Step 3: Plant the Tree

Remove the southern magnolia tree from its container and examine the roots. Cut any damaged or broken roots. Place the root ball in the center of the hole and backfill with soil. Water thoroughly to settle the soil and eliminate air pockets. Mulch around the tree, leaving a 2-inch clearance from the trunk, to conserve moisture and prevent weed growth.

Step 4: Water and Fertilize

Newly planted southern magnolia trees need consistent moisture during their first year. Water the tree deeply once a week, allowing the water to soak in around the root zone. Fertilize the tree with a slow-release, balanced fertilizer in early spring and midsummer. Be careful not to over-fertilize, as excess nitrogen can damage the tree.

Step 5: Prune the Tree

Southern magnolia trees require minimal pruning. Remove any dead, diseased, or broken branches as they occur. You can also prune to shape the tree or eliminate low-hanging branches. Avoid heavy pruning, as it can damage the tree's growth and flowering.

Conclusion

Planting and caring for a southern magnolia tree requires some effort, but the rewards are worth it. With proper care, this tree will provide years of beauty and enjoyment in your landscape.