Updated: February 28, 2023

Eucalyptus plants are known for their fragrant leaves and fast-growing nature. These trees are native to Australia, but they have been introduced to other parts of the world, including the United States. Many gardeners and homeowners are interested in growing eucalyptus plants because of their aesthetic appeal and potential health benefits. However, before planting a eucalyptus tree or shrub, it’s important to understand how quickly they grow.

Factors Affecting Eucalyptus Growth

The growth rate of eucalyptus plants can vary depending on several factors. The following are some of the factors that can affect how quickly a eucalyptus plant grows:

  • Climate: Eucalyptus plants prefer warm climates with plenty of sunshine. They can tolerate some cold weather, but prolonged exposure to frost or freezing temperatures can damage or kill the plant.
  • Soil: Eucalyptus plants prefer well-draining soil that is rich in nutrients. They do not tolerate waterlogged soil, so good drainage is essential for healthy growth.
  • Water: Eucalyptus plants require regular watering, especially during the first few years of growth. However, they can also tolerate drought conditions once established.
  • Fertilizer: Eucalyptus plants benefit from regular fertilization, especially during the growing season. A balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium can promote healthy growth.
  • Pruning: Regular pruning can help control the size and shape of a eucalyptus plant. It can also promote new growth and increase the overall health of the plant.

How Fast Do Eucalyptus Plants Grow?

The growth rate of eucalyptus plants can vary depending on the species, climate, and other factors mentioned above. Generally, eucalyptus plants can grow up to 6 feet per year in ideal conditions. However, some species may grow slower or faster than others.

For example, Eucalyptus regnans, also known as the mountain ash or swamp gum, is the tallest flowering plant in the world and can grow up to 330 feet tall. This species is known for its rapid growth rate, with some trees growing up to 20 feet per year in their early years.

On the other hand, Eucalyptus gunnii, also known as the cider gum or silver dollar tree, is a smaller species that typically grows up to 40 feet tall. This species has a slower growth rate than some other eucalyptus species, but it can still grow up to 3 feet per year under ideal conditions.

Tips for Growing Eucalyptus Plants

If you’re interested in growing eucalyptus plants, here are some tips to help ensure healthy growth:

  • Choose a suitable location: Eucalyptus plants prefer sunny locations with well-draining soil. Avoid planting them in areas with standing water or heavy clay soil.
  • Water regularly: Eucalyptus plants require regular watering during their first few years of growth. Water deeply once or twice a week, depending on the weather and soil conditions.
  • Fertilize regularly: Apply a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium every spring and fall to promote healthy growth.
  • Prune as needed: Regular pruning can help control the size and shape of a eucalyptus plant. Prune back any damaged or dead branches as soon as possible to prevent disease.
  • Monitor for pests and diseases: Eucalyptus plants can be susceptible to pests and diseases. Monitor your plants regularly for signs of damage or illness and take action promptly.

FAQ

Can eucalyptus plants be grown indoors?

Yes, some eucalyptus species can be grown indoors in containers. However, they may not grow as tall or as quickly as outdoor plants.

Are eucalyptus plants easy to grow?

Eucalyptus plants can be relatively easy to grow if you provide them with the right conditions. However, they do require regular maintenance and care.

Do eucalyptus plants have any health benefits?

Eucalyptus plants are known for their potential health benefits, including respiratory support and pain relief. However, more research is needed to confirm these benefits.

Can eucalyptus plants be invasive?

Some eucalyptus species can be invasive in certain areas. Before planting a eucalyptus tree or shrub, check with your local extension office or plant nursery to ensure that it is not considered invasive in your area.