How to Grow Acer Ginnala - Plant Care & Tips

By NorwichGardener Team   /   2024

Acer ginnala is a deciduous shrub or small tree native to northeastern asia. it is also known as the amur maple or the shademaster maple. the ginnala has a dense, rounded habit and can grow up to 15 feet tall. its leaves are 3 to 5 inches wide and have three to five lobes. the ginnala's flowers are small and yellow-green, and its fruit is a two-seeded samara. the ginnala is tolerant of a range of soils and climates, and is often used as an ornamental plant in landscaping.

How to Grow Acer Ginnala - Plant Care & Tips

Also known as

  • Amur maple
  • Ginnala maple
  • Scarlet maple
  • Snakebark maple
  • Flame maple

Common Knowledge

  • Acer ginnala is a deciduous tree that is native to northern China, Korea, and Japan.
  • It grows to a height of 15-25 m (49-82 ft) and has a trunk diameter of up to 60 cm (24 in).
  • The leaves are opposite, simple, and lobed with 5-7 lobes. The leaf margins are toothed.
  • The flowers are small and reddish-purple in color. They are borne in clusters of 3-5 flowers.
  • The fruit is a two-seeded samara that is green in color when young and turns brown when ripe.
  • Acer ginnala is cultivated as an ornamental tree.
  • It is also used in bonsai.
  • The tree is susceptible to a number of diseases and pests, including aphids, scale insects, and powdery mildew.
  • Acer ginnala is considered to be an invasive species in some parts of North America.
  • The specific epithet ginnala is derived from the Latin word for "scarlet" or "red", referring to the color of the flowers.

Related plant:
Acer Shrub

Planting Process

  1. For acer ginnala, first step is to find a spot where the tree will get partial sun to full sun.
  2. Then, dig a hole that is twice the width and depth of the tree’s root ball.
  3. Next, place the tree in the hole and backfill it with the soil that was removed.
  4. After that, water the tree deeply and mulch around the base of the tree.
  5. Acer ginnala will need to be watered weekly for the first year.
  6. Fertilize the tree in early spring and again in mid-summer with a tree and shrub fertilizer.
  7. Prune the tree as needed to shape it and remove any dead or damaged branches.
  8. Acer ginnala is generally a low-maintenance tree and does not require much pruning.
  9. The tree will produce red fruits which can be used to make preserves or eaten fresh.
  10. Enjoy your beautiful acer ginnala tree!

Related plant:
Acer Buergerianum

The Soil

About soil condition, Acer ginnala prefers well-drained soil but can adapt to a range of soil conditions including clay. It is important to ensure that the planting site has good drainage to avoid waterlogging and possible root rot.

About light

Not too different with other maples, the dwarf maple does best in full sun but can tolerate partial shade, particularly in hot summer climates. Ideal soil conditions are moist but well-drained. The dwarf maple is a good choice for gardens with limited space as it only grows to a height of around 15 feet.

Ideal Temperature

The temperature condition of the Acer ginnala is important to consider when growing this tree. The leaves of the Acer ginnala are very sensitive to frost and will burn easily. It is important to choose a location for this tree that has good drainage and is not prone to flooding. The roots of the Acer ginnala are also sensitive to frost and will rot easily. Choose a location for this tree that has well-drained soil and is not prone to waterlogging.

Humidity Aspect

Ideal humidity condition for this plant is around 60%-70%. The plant does not like to be too wet or too dry. If the plant is too wet, the leaves will start to yellow and drop off. If the plant is too dry, the leaves will start to turn brown and drop off.

The Fertilizer

Mentioning fertilizer, this plant prefers a 1-1-1 fertilizer with a little more nitrogen during the growing season. Be sure to use a fertilizer that is not high in phosphorus as too much phosphorus can result in fewer flowers. An organic fertilizer such as compost or manure can also be used. It is important to fertilize regularly as this plant is a heavy feeder.

Light requirement

Pruning Acer ginnala Acer ginnala is a deciduous shrub or small tree that is native to China and Japan. It is often grown as an ornamental plant in gardens and parks. Acer ginnala can be pruned to maintain a desired shape or size. It is best to prune Acer ginnala in late winter or early spring before new growth begins. Pruning in late summer or fall can damage the plant. When pruning Acer ginnala, it is important to make sure that all cuts are clean and sharp. This will help to prevent disease and encourage new growth.

Plant Propagation

Propagation is typically done through softwood cuttings taken from the plant in late spring or early summer. Cuttings should be taken from new growth that is about 6-8 inches long. Cuttings should be taken from the tips of the stems, and each cutting should have 2-3 sets of leaves. The bottom leaves should be removed, and the cuttings should be placed in a potting mix that is moist but not wet. The cuttings should be placed in a warm, sunny location and misted regularly to keep the soil moist. After a few weeks, the cuttings should take root and can be transplanted to their own pots.

Growth Rate

Usually, the plant growth rate is quite slow, however, conditions such as elevation, wind, and sunlight exposure can cause the rate to vary. The average growth rate is approximately one foot per year. unless the plant is stressed, in which case the growth rate may be significantly slower.

Basic Problems

Common problems for this kind of plant are leaf scorch, aphids, and tar spot. Leaf scorch can be caused by drought, over- watering, or too much sun. Aphids are small, sap-sucking insects that can cause stunted growth and distorted leaves. Tar spot is a fungal disease that appears as black spots on the leaves.

List to Know

  • If you live in a colder climate, it is best to grow your Acer ginnala in a pot so that you can bring it indoors during the winter months.
  • Acer ginnala prefers a sunny spot in the garden, but will tolerates some shade.
  • This plant is drought tolerant once established, but will benefit from regular watering during the first growing season.
  • To encourage bushier growth, pinch back the tips of the stems in early summer.
  • Fertilize your Acer ginnala with a balanced fertilizer once a month during the growing season.
  • To prevent the spread of diseases, it is important to keep your plant free of dead leaves and debris.
  • Be sure to regularly check for pests such as aphids and scale, and take action if necessary.
  • In late fall, prune your Acer ginnala to shape it and remove any damaged or diseased branches

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