How to Grow Magnolia Virginiana - Plant Care & Tips

By NorwichGardener Team   /   2024

Magnolia virginiana is a plant that is native to the eastern United States. It is a deciduous tree that can grow to be 60 feet tall. The leaves of the magnolia virginiana are 6-8 inches long and are dark green in color. The flowers of the magnolia virginiana are white and have 8-12 petals. The magnolia virginiana blooms in the spring and the flowers are fragrant.

How to Grow Magnolia Virginiana - Plant Care & Tips

Alternative name

  • swamp magnolia
  • bull bay
  • evergreen magnolia
  • big-leaf magnolia
  • umbrella magnolia

Common Knowledge

  • Magnolia virginiana is a flowering tree in the magnolia family.
  • It is native to the southeastern United States, from coastal North Carolina to central Florida and Louisiana.
  • The tree is also known as sweet bay magnolia, swamp magnolia, whitebay magnolia, or beaver tree.
  • Magnolia virginiana can grow to be 30–40 m (98–131 ft) tall.
  • The leaves are evergreen, simple, and 10–20 cm (4–8 in) long.
  • The fragrant flowers are white, 8–12 cm (3–5 in) wide, and appear in late spring or early summer.
  • The fruit is a cone-like cluster of hard, red-orange seeds.
  • Magnolia virginiana is often used as an ornamental tree in landscaping.
  • The tree is also used in traditional medicine.
  • Magnolia virginiana is listed as a threatened species in Louisiana and Mississippi.

Related plant:
Magnolia Figo

Planting Process

  1. For magnolia virginiana, first step is to find a sunny spot in your garden that has well-drained soil.
  2. Then, dig a hole that is twice the width and depth of the plant’s root ball.
  3. Next, mix some compost into the hole.
  4. Now, place the plant in the hole and backfill with soil.
  5. Tamp down the soil gently.
  6. Water the plant deeply.
  7. Add a layer of mulch around the plant, but not touching the stem.
  8. Lastly, fertilize the plant once per year in the springtime.

Related plant:
Sweet Bay Magnolia Tree

Soil Requirement

About soil condition, magnolia virginiana prefer well-drained soil, but also tolerate average to wet soils, including heavy clay. In fact, it will grow in just about any soil type as long as it is not too dry. The only time it may have some problems is if the soil is too alkaline.

Light requirement

So, like the other magnolia trees, the magnolia virginiana requires full sun in order to flourish. In fact, it needs at least six hours of direct sunlight each day in order to produce the beautiful flowers for which it is known. Without adequate sunlight, the tree will not bloom as profusely, and the flowers it does produce will be smaller and less vibrant. So if you want to grow a healthy and beautiful magnolia virginiana, make sure to plant it in a spot that gets plenty of sun!

Good Temperature

The temperature condition that is most ideal for the growth of the magnolia virginiana is between 75 and 80 degrees Fahrenheit. This plant is native to the southeastern United States and can be found growing in Mississippi, Louisiana, and Alabama. The magnolia virginiana prefers a humid environment and is often found near bodies of water.

Humidity Requirement

Ideal humidity condition for this plant is around 50%. If the air is too dry, the leaves will start to drop and the plant will become stressed. If the air is too humid, the leaves will start to yellow and the plant will become susceptible to fungal diseases.

Fertilizer Requirement

The fertilizer, this type of plant prefers, is 0-10-10. This blend provides an equal balance of nitrogen, phosphorus, and potassium which is essential to the growth of the plant. The roots of the magnolia virginiana are relatively shallow, so care must be taken not to overwater the plant.

Plant Pruning

Pruning is an important part of keeping your magnolia virginiana healthy and vigorous. Depending on the type of pruning you are doing, you will want to use different techniques. For example, if you are doing heading back pruning, you will want to use a sharp pair of pruning shears to make clean cuts. If you are doing thinning out pruning, you will want to use a sharp pair of pruning loppers to remove whole branches.

The Propagation

Propagation of the Magnolia Virginiana, or Sweetbay Magnolia, is typically done through rooting of softwood cuttings taken from the tips of the branches. The cuttings should be taken from a healthy plant in late spring or early summer. After taking the cuttings, remove the leaves from the bottom half of the cutting and dip the cut end in rooting hormone. Plant the cuttings in a well-drained potting mix and keep the soil moist. Place the pot in a bright location but out of direct sunlight. Cuttings should root within 3-4 weeks.

Growth Rate

Usually, the plant growth rate is between 13 and 24 inches (33-61 cm) per year. However, some young trees have been known to grow as much as 3 feet (91 cm) in a single growing season. Magnolia virginiana is a slow to moderate grower. When young, they may Put on 3-6 feet (91-183 cm) of growth per year, however, once they reach maturity, they may only grow 1-2 feet (30-61 cm) per year.

Basic Problems

Common problems for this kind of plant are scale, sooty mold, powdery mildew, and root rot. Scale can be controlled with horticultural oil, while sooty mold and powdery mildew can be controlled with fungicide. Root rot can be controlled with fungicide and by increasing drainage in the area around the plant.

List to Know

  • Make sure to plant your magnolia in an area that gets plenty of sunlight.
  • Magnolias require well-drained soil, so make sure your planting area is not too wet or too dry.
  • When you first plant your magnolia, water it well and mulch around the base of the plant to help retain moisture.
  • Fertilize your magnolia every few months with a high-quality fertilizer to help it grow strong and healthy.
  • Prune your magnolia regularly to encourage new growth and remove any dead or damaged branches.
  • Keep an eye out for pests and diseases and treat them promptly if you notice any problems.
  • Harvest the leaves and flowers of your magnolia regularly to use in arrangements or other crafts.
  • Once your magnolia reaches maturity, you can propagate new plants from cuttings or seed.
  • Enjoy the beautiful blooms of your magnolia

Similar Plants

  • Magnolia liliifera
  • Magnolia dealbata
  • Magnolia macrophylla
  • Magnolia salicifolia
  • Magnolia stellata
  • Magnolia tripetala
  • Magnolia campbellii
  • Magnolia kobus
  • Magnolia virginiana var. australis
  • Magnolia virginiana var. tripetala

Source:
Magnolia virginiana : Ephemeral courting for millions of years
Sweetbay Magnolia (Magnolia virginiana)
Magnolia virginiana - Species Page - ISB: Atlas of Florida Plants

Richelle Author Photo
Reviewed & Published by Richelle
Submitted by our contributor
Trees Category