The Basics Of Growing Acacia Plants

  • By: Succulents Plants
  • Date: February 13, 2023
  • Time to read: 9 min.

The Basics Of Growing Acacia Plants

Are you interested in adding some interesting and exotic plants to your home garden? If so, then you should definitely look into growing Acacia plants. The Acacia plant is a hardy evergreen tree native to both Australia and Africa that can add texture, height and structure to your outdoor space. In this article, we will explore the basics of growing Acacia plants, from types and propagation to caring for them in your garden. Let’s get started!

Types of Acacia Plants

Acacia plants, also known as wattles, are woody shrubs that are native to many parts of the world, including Africa, Asia, Australia, and the Americas. There are more than 1,000 species of acacias, making it one of the most diverse plant families. Acacia plants come in a variety of shapes and sizes, and many species are grown as ornamental plants or used for timber.

The most common type of acacia plant is the Acacia seyal, which can reach heights of up to 100 feet. This species is native to parts of Africa, the Middle East, and India, and it is commonly used in landscaping. It has a wide, spreading canopy and the bark is often used for medicinal purposes.

Another popular type of acacia is the Acacia senegal, which is native to the Sahara desert and is a very drought-tolerant species. This plant is often used for timber and for decorative purposes, as it has a beautiful, feathery foliage. The Acacia mearnsii is also a popular type of acacia, which is native to South Africa, and it is often used to make furniture and tools.

The Acacia greggii is an ornamental type of acacia that is native to the southwestern United States and northern Mexico. This species has attractive, yellow-orange flowers and produces a fragrant aroma. The Acacia melanoxylon is an Australian native species, and it is often used as a decorative tree in landscaping. It has beautiful, dark-green leaves and is drought-tolerant.

Propagation of Acacia Plants

The most common way to propagate acacia plants is through the use of cuttings. Cuttings are branches or stems that are cut off of the parent plant, and they are a great way to get more of the same plant. To take a cutting, use a sharp pair of scissors or a knife to cut off a branch that has at least one to two nodes, or growth points. Cut off the branch just below a node and make sure to disinfect the scissors or knife afterwards.

Once you have your cutting, you’ll need to prepare it for planting. Place the cutting in a jar or container with some water and allow it to sit for a few days until it develops root buds. Once you see the root buds, you can take the cutting out of the water and let it dry for a day before planting in a pot or directly in the ground.

When planting the cuttings, make sure to plant it in well-drained soil. You can also use a rooting hormone which will help promote faster root growth. Then, give the plant plenty of sunlight and water for best results.

Another method of propagating acacia plants is through seed. To do this, you’ll need to first collect seed from the flowerheads of mature plants. The seeds should be sown into seed trays and placed in a warm and bright area. Keep the soil moist and wait for the seeds to germinate. Once the seedlings have grown a few leaves, they can be transplanted into individual pots or into the garden.

Growing and Care for Acacia Plants

Gardening with acacia plants offers a myriad of benefits; they are relatively easy to care for and add a natural, tropical touch to any outdoor space. Acacia plants are versatile, hardy and fast-growing, making them ideal for both novice and experienced gardeners alike. Plus, they come in a variety of sizes and colors, so you can easily choose an acacia that best fits your needs. Before you start planting, however, there are a few basic things you should know about growing and caring for acacia plants.

Soil Requirements for Acacia Plants

Generally speaking, most acacia plants are best suited to soils that are somewhat sandy. This helps the soil to retain water and drainage but not become too soggy. Acacia plants also prefer soils that are nutrient-rich and slightly alkaline. If your soil does not have these qualities, it may be beneficial to add compost, fertilizer, or other soil amendments to help your plants thrive.

When planting acacia, take into consideration the soil pH as well. If the pH is too high or too low, the plant may struggle and not survive. Generally, the ideal pH range for acacia plants is between 6.0 and 8.0, but this can vary depending on the species of your acacia. If you’re unsure what level is best for your particular type of acacia, it’s best to contact a local professional for advice on the best soil type for your plants.

In addition to soil pH, acacia plants also need to have soil that is well draining. If the soil is too wet or soggy, the plant’s roots won’t be able to receive enough oxygen and the plant will become stressed. If you’re planting your acacia in a pot, be sure to use a potting mix that is designed for drainage to help the plant thrive.

Acacia plants need soil that is aerated, meaning that there are lots of air pockets within the soil. This helps to ensure that the plants’ roots receive the oxygen they need to survive. To help aerate the soil, you can add mulch or even compost before planting.

Water Requirements for Acacia Plants

Most acacia species are tough, drought-tolerant plants that do not require a lot of water. However, the amount of water they do need will depend on the type of acacia, the climate, and the soil conditions. In general, acacia plants prefer well-draining soil and should only require water once a week or so in normal conditions.

If you are growing acacia plants in hot, dry climates, they will need more frequent watering. In these climates, the soil should be kept moist, but not soggy, and the plants should be watered every two to three days. In this case, it is best to water your acacia plants early in the morning so the water has time to absorb into the soil before the sun can evaporate it. It is also a good idea to water deeply each time, allowing the water to reach the plant’s roots.

If you live in an area with high humidity, then you may need to water acacia plants less frequently. In this case, watering once a week should suffice, as long as the soil is still kept moist but not soaking wet.

Finally, it is important to remember that acacia plants need time to recover after they have been watered. It is best to allow the soil to partially dry out between waterings, as this will help encourage healthy root growth and prevent the roots from becoming waterlogged. If the leaves of your acacia plant begin to droop, this is a sign that the plant needs more water.

Light Requirements for Acacia Plants

Acacia plants are adapted to full sun, but this does not mean that you need to plant them in a spot that gets the most direct sunlight throughout the day. Instead, it is important to match the light intensity of their natural habitat. In the wild, many acacia species grow in semi-arid climates, meaning they require 6 to 8 hours of direct sunlight and 4 to 6 hours of partial shade per day.

When it comes to indoor acacia plants, aside from having access to direct sunlight, they should also be kept in bright, indirect light during the day. This means they should be placed in a spot that gets some direct morning or late-afternoon sun and bright light throughout the day, with protection from the mid-day sun.

When assessing the best light location for your acacia plants, it is important to take into account the type of soil you have and the type of container you are using. For example, if you have sandy soil and a light container, you may need to provide your plants with more shade than normal as the container will absorb heat more quickly.

Once you have found the perfect spot for your acacia plants, make sure to check the soil regularly to ensure it is not drying out too quickly – no matter the light exposure, acacia plants need good soil drainage and adequate amounts of nutrients. If you find the soil is starting to dry out, water your plants and move them to an area with less intense light.

Fertilizing Acacia Plants

When fertilizing Acacia plants, be sure to select a fertilizer with a balanced NPK rating. NPK stands for nitrogen, phosphorus, and potassium, and is the most important part of the fertilizer. The term NPK is used to help determine the ratio of the three macronutrients in the fertilizer. A fertilizer with an N-P-K ratio of 10-10-10 is ideal for Acacia plants.

A slow-release fertilizer is also highly recommended when fertilizing Acacia plants. This type of fertilizer breaks down slowly over a longer period of time and releases its nutrients gradually, which helps to promote healthy, sustained growth. Slow-release fertilizers are available in both organic and synthetic options and can be used on Acacia plants to provide them with the nutrients they need to thrive.

When applying the fertilizer to Acacia plants, be sure to use the recommended amount according to the instructions on the package. Too much fertilizer can cause damage to the plants, and too little fertilizer will not provide the nutrients the plants need for growth. It is best to apply the fertilizer to the soil around the base of the plants, being careful not to get it directly on the plant itself.

Pruning Acacia Plants

Pruning an acacia plant should be done at least once a year. Pruning should start in the spring and continue off and on throughout the summer until fall. When pruning acacia plants, the goal should be to maintain the desired size and shape of the plant. This usually means removing dead or unwanted branches or stems, as well as thinning or cutting back some branches to promote a full shape.

When pruning acacia plants, use sharp pruning shears or secateurs, and make sure to remove any branches that are dead, diseased, or damaged. You can also thin out the density of the plant by removing some of the branches to improve the overall shape of the plant. Make sure that you leave enough branches and stems so the plant does not become too sparse.

It is best to prune acacia plants during the plant’s dormant period in the winter. This will help protect the plant from stresses that can be caused by pruning in the summer. If you do prune the plant during the summer, make sure to water the plant more and be sure to protect it from too much sunlight.


Acacias are attractive, resilient plants with a wide range of species to choose from, so there is sure to be one to fit any purpose. Australian acacias are generally easy to find, propagate and care for, while African species present a more challenging yet rewarding experience. From seeds, cuttings, and even grafts, there are a few techniques to choose from to achieve successful propagation. Growing and caring for acacia plants requires just the right balance of soil, water, and light as well as periodic fertilizer and pruning, but when done correctly you can enjoy a beautiful piece of nature in your own garden or home. With a bit of patience and perseverance, you can easily have a thriving acacia of your own.


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