How to Grow Acacia - Planting & Caring

By Sharon & Team   /   Bush Category   /   2023

Acacia, also known as mimosa, wattle or thorntree, is a large, sprawling shrub or small tree with a heavy canopy of small, bright green leaves. The acacia plant is native to Africa, Australia and South America, but it can be grown in any temperate climate. Acacia is a fast-growing plant that can reach up to 30 feet in height and 15 feet in width. It is an evergreen plant that produces small, yellow or white flowers. The acacia plant is used in landscaping and as a source of timber and firewood.

How to Grow Acacia - Planting & Caring

Growing Easiness

Is it easy to grow Acacia plant? The Acacia plant is one of the easiest plants to take care of. They are small and do not require a lot of water or sunlight to survive. The only difficulty that may be encountered is keeping them from getting too much sun or water, as this can cause them to wilt and die.

Plant Size

How big can it be? known as "wattle", "mimosa" or "mimosa tree", is a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae, first described in 1753 by Linnaeus. They are native to tropical and subtropical regions of Africa, Australia, New Guinea, Asia and the Americas, with the majority of species native to Australia.

Growth Rate

How fast is the growth? Unless otherwise specified, the average expected growth for an Acacia plant is 12 to 24 inches per year. The average size for an Acacia plant is 6 to 12 feet tall and wide.

Acacia Basic Knowledge

Plant Form Bush
Family Legumes – Fabaceae
Origin o.Tasmania

Lifespan, Perennial or Annuals

How long is the lifespan? When it comes to the lifespan of an Acacia plant, it is actually quite long. They can live for hundreds, even thousands of years in some cases. This is due to their deep taproots that help them to withstand drought conditions and also because they are able to store water in their trunk and branches.

Ideal Temperature

What is the ideal temperature? The average temperatures in the summertime can get up to 68 degrees Fahrenheit. However, in the wintertime, the average temperatures can drop down to 41 to 53.6 degrees Fahrenheit.


What about the humidity? The average room has a humidity of 30-50%. If the room is cool, the humidity will be lower. If you spray the plant with water, the humidity will go up.

Light Requirement

What amount of light this plant needed? Eventually, the acacia plant will require extra light during the winter months for it to flower normally. The best place to provide this supplementary lighting is in an illuminated room.

Soil Composition

What is good soil for Acacia? Although it is possible to find many types of soil in the market, not all of them are good for the growth of an Acacia tree. The best soil for an Acacia tree is a well-drained one. This type of soil can be found in areas that have a lot of sun and not much rain. The best way to get this type of soil is to mix it yourself. To do this, you will need two parts of garden soil, one part peat, and one part coarse-grained sand or perlite.

Watering Time

How much I must water Acacia? The plant grows in arid and semi-arid regions. It is a drought-tolerant plant that can grow in sandy, loamy, and clay soils. The plant does not like waterlogged soils. It can tolerate salt and alkali soils. The plant has deep taproots that can reach up to 20 m. The plant has a high water-use efficiency. The plant can store large amounts of water in its stems and leaves. The leaves of the plant are used as fodder for animals. The plant is also used for making furniture, flooring, and fuelwood.

Fertilizing and Nutritient

About fertilizer. Sometimes, people forget that plants need nutrients too! Just like us, they need food to grow. The best way to give them the nutrients they need is through fertilizer. Fertilizer comes in many different forms, but for our purposes, we will be talking about liquid fertilizer. The best time to fertilize your Acacia plant is from spring to autumn, and you should do it every two weeks. If you have recently transplanted your Acacia plant, do not fertilize it for the first four months.


How to reproduce Acacia? When taking apical cuttings in July-August, be sure to cover them with polyethylene. It's also possible to reproduce the plant by layering - bend a branch and sprinkle the ground with it, then wait until it takes root.


Why Acacia won't bloom? Common ly, this plant blooms in winter and spring. The flowers are usually yellow in color.

Transfer or Repotting

How much I must water Acacia? Although it is possible to propagate Acacia plants from seed, it is generally quicker to propagate them from cuttings. In the spring, after the plant has flowered, take cuttings from large specimens that are 2-3 years old.

Caring The Acacia

How to care the plant? Because it is a legume, it can actually help to improve the quality of your soil as it grows. It is a hardy plant that can tolerate different types of soil and conditions, but it prefer well-drained soil in full sun. If you live in an area with a lot of rainfall, it is a good idea to take your plant in the garden during the summer to help it drain properly. It is also useful to use rainwater for irrigation. After flowering, the plant can be pruned.

Pests & Challenges

What is the challenge when caring Acacia plant? While it is possible to grow an Acacia plant indoors, it is more difficult to maintain than other houseplants. Acacia is affected by spider mites, aphids, and chervets. In winter, the roots can rot in a warm and humid atmosphere.

Toxic & Poisonous Type

Are Acacia poisonous? known as blackwood, mulga, or wattle, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. It contains more than 1,600 species in about 170 genera, and is distributed throughout much of the world, especially in dry tropical regions. Acacias are also native to tropical and subtropical regions of South America.