How to Grow Saucer Magnolia - Plant Care & Tips

By NorwichGardener Team   /   2024

Saucer magnolia is a lovely plant that produces white or pink flowers. It is a deciduous tree that is native to parts of Asia and North America. This species is often grown as an ornamental tree in gardens and parks.

How to Grow Saucer Magnolia - Plant Care & Tips

Alternative name

  • Japanese magnolia
  • Tulip tree
  • Magnolia grandiflora
  • Saucer magnolia
  • Bigleaf magnolia

Common Knowledge

  • The saucer magnolia is a hybrid plant that was created by crossing two different species of magnolia.
  • The saucer magnolia is named for its saucer-shaped flowers which can be white, pink, or purple in color.
  • The saucer magnolia is a deciduous tree and will lose its leaves in the fall.
  • The saucer magnolia can reach a height of 30 feet and a width of 20 feet at maturity.
  • The saucer magnolia prefers to grow in moist, well-drained soil in full sun to partial shade.
  • The saucer magnolia is relatively slow-growing and can take 10-20 years to reach its full size.
  • The saucer magnolia is relatively tolerant of urban pollution and salt spray.
  • The saucer magnolia is susceptible to a number of pests and diseases, including aphids, scale insects, and root rot.
  • The saucer magnolia produces a large quantity of pollen which can be a problem for people with allergies.
  • The saucer magnolia is a popular ornamental plant and is often used in landscaping.

Growing Steps

  1. For saucer magnolia, first step is to purchase a young tree.
  2. Plant the tree in a location that has full sun to partial shade and well-drained soil.
  3. Water the tree regularly, especially during the first growing season.
  4. Fertilize the tree annually with a general-purpose fertilizer.
  5. Prune the tree as needed to maintain its shape.
  6. Watch for pests and diseases, and treat as needed.
  7. Enjoy the beautiful flowers that the saucer magnolia produces!

The Soil

About soil condition, the saucer magnolia prefers acidic to neutral soils with a pH of 6.0 to 7.0. It also thrives in average to moist conditions, and well-drained soils are essential. This tree is not drought tolerant.

About light

So, like the other magnolia trees, the saucer magnolia requires full sun to partial shade in order to thrive. It is important to plant the tree in an area that will receive at least six hours of sunlight each day. The tree will also need moist, well-drained soil in order to grow.

Ideal Temperature

The temperature condition that is best for the saucer magnolia tree is a cool climate. This tree is native to North America, and it prefers cooler temperatures. The ideal temperature range for the saucer magnolia tree is between 45 and 55 degrees Fahrenheit. The tree will not do well in climates that are too hot or too cold.

Humidity Level

Ideal humidity condition for this plant is 50-70%. At 50% humidity, the leaves will start to wilt and the flowers will start to wilt and the flowers will start to drop. If the humidity drops below 50%, the leaves will curl and the plant will go into dormancy.

Fertilizer Requirement

Discussing fertilizer, this type of plant prefers a low nitrogen fertilizer. When you are fertilizing other plants in your garden, simply avoid fertilizing around the base of the saucer magnolia. This will encourage the saucer magnolia to develop a strong root system.

Light requirement

Pruning Saucer Magnolias Although saucer magnolias (Magnolia x soulangeana) are generally low-maintenance, they may need occasional pruning to remove damaged, diseased or wayward branches. The best time to prune is in late winter or early spring, before new growth begins. With their large, showy flowers, saucer magnolias add dramatic interest to the landscape.

Plant Propagation

Propagation of saucer magnolia can be done either by seed or by cuttings. To propagate by seed, sow the seeds in a cool, moist location as soon as they are ripe. Seeds typically germinate within 3-4 weeks. To propagate by cuttings, take cuttings from new growth in late spring or early summer. Cuttings should be 4-6 inches long and taken from the tips of the branches. Stick the cuttings in moist soil and they should root within 4-6 weeks.

Growth Speed

Usually, the plant growth rate studies have been conducted in the southern United States, where the species is native. In general, these studies have found that saucer magnolias grow relatively slowly. For example, one study found that saucer magnolias in Louisiana grew an average of just over 13 centimeters (cm) per year. However, other studies have found that saucer magnolias can grow much faster in certain conditions. For instance, one study found that saucer magnolias in Mississippi grew an average of nearly 35 cm per year in wet conditions.

Common Problems

Common problems for this kind of plant are powdery mildew, rust, canker, and scale. Powdery mildew is a white powdery fungus that covers the leaves and stems of the plant. Rust is a red or orange fungus that appears on the leaves and stems. Canker is a sunken, dead area on the trunk or branches of the plant. Scale is a small, hard, armored insect that sucks the sap from the plant.

Basics of Growing

  • Do not forget to water your saucer magnolia regularly. The soil should be moist, but not soggy.
  • Place your saucer magnolia in an area with full sun to partial shade.
  • fertilize your saucer magnolia regularly. A slow-release fertilizer is best.
  • Prune your saucer magnolia in late winter or early spring.
  • The saucer magnolia is a relatively low-maintenance plant. However, it is important to watch for pests and diseases.
  • The saucer magnolia is a deciduous plant. This means that it will lose its leaves in the fall.
  • The saucer magnolia is a popular choice for landscaping. It can be used as a specimen plant or in mass plantings.
  • The saucer magnolia can be propagated by rooting stem cuttings.
  • The saucer magnolia is a relatively

Alternative Plants

  • saucer-magnolia (noun)
  • fothergilla (noun)
  • cucumber tree (noun)
  • loquat (noun)
  • umbrella pine (noun)
  • horse chestnut (noun)
  • magnolia (noun)
  • magnolia (noun)
  • magnolia (noun)

Source:
Saucer Magnolia | Oklahoma State University
Saucer Magnolia
Saucer Magnolia | Arboretum | Georgia Institute of Technology - gatech.edu

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Trees Category