How To Grow An Orange Tree Indoors?

What is the reason that gives you the interest to learn how to grow an orange tree indoors?

An orange tree belongs to a citrus family that is a little bit different because orange fruits taste sweeter than other citruses.

Growing an orange tree indoors is doable because you can find many small varieties that you can grow in containers. What are some orange tree varieties you can grow?

What Kind Of Orange Tree To Grow Indoors?

If you are just starting you need to look first for the best orange tree to grow indoors. There are many types of oranges that are great and surely you will love them.

An orange tree you need must be small in size. You can’t grow big trees that are growing 20 to 30 feet (6 to 9 meters) indoors.

Most dwarf orange tree varieties are just growing 6 to 12 feet (1.8-3.6 meters). If you already have an idea of which orange tree variety to choose then you can now start growing that tree.

Usually, we grow a tree when it gives delicious fruits that we like the taste.

But if you are still looking for some best trees to grow here are some examples: Navel oranges, Tangerine, Clementine, Satsuma oranges, Blood orange, Mandarin orange, Valencia orange, and Hamlin orange.

Should You Grow An Orange Tree From Seed Or Just Buy A Tree?

Growing an orange tree from a seed is challenging and a little bit difficult. Oranges that you will buy from groceries will not give you true-to-type seeds.

When you buy oranges and use their seeds, the seeds will germinate and become a tree after a few years but the tree will not give you fruits the same as the parent tree.

The fruits it will bear will have a different taste and appearance. Sometimes the tree may also not bloom or even produce fruits at all. Growing an orange from seeds also takes seven to 15 years to fruit.

To grow an orange tree successfully from seed, you need to look for true-to-type seeds which you can find in nurseries or specialized citrus gardens or nurseries.

If you can’t find those kinds of seeds, you can do an experiment growing an orange tree from oranges bought from the grocery.

How To Grow Orange Tree Indoors From Seed?

To grow an orange tree from seed first is to extract all the seeds from the fruit and wash them until all the pulps and flesh are removed.

Next, get a bowl with water inside and soaked the seeds for 24 hours. Get a container filled with soil and plant the seeds ½ inch deep.

Then, place the container near the sun but slightly in direct sunlight. The seeds will germinate in about a few weeks.

Once the seedlings have enough size, you can now start transferring them to bigger containers.

Finally, in about seven to 15 years the tree may give you fruits. When the tree is getting consistent water, sunlight, and nutrients even if they are growing indoors, it will thrive and maybe give you lots of oranges.

Buying An Already Grown Orange Tree

If you are going to grow an orange tree for the first time, it is better if you are going to buy an already grown one from nurseries. You can buy high-quality trees from nurseries or garden centers which you can grow indoors.

You can also try to find sweet orange trees online or try to find stores near your location. You can find lots of trees which will give you fruits in the long run.

You can grow dwarf orange trees indoors as long as they are receiving their needs regularly. These trees will give you fruits in three to four years. Sometimes it can produce fruits much earlier.

You need to take care of the orange tree so that it will give you lots of oranges.

How To Care For An Orange Tree Indoors?

Sunlight Requirement

Make sure that the orange tree is getting enough sunlight. At least six to eight hours of sunlight is good enough for the tree to thrive.

You need to find a perfect spot where your orange tree will receive sunlight daily. One of the best spots is near the window.

During the winter when the weather is cold, you can use LED grow light to help your orange tree get more light to thrive. It will help them become more healthy.

Soil Type

Use well-draining soil. You can use vermiculite, peat, or peat as soil mix because it will make drainage better and will not clog water for too long which is good for your orange tree.

When you have good soil, water logging will be avoided, and root rot and other problems will be prevented making your orange tree grow better.


For your indoor orange tree to thrive well, you need also to give them enough water. When the weather becomes hotter you can water the tree once or twice a week especially when the soil dries fast.

Don’t overwater the tree because it can cause root rot and make sure that the containers have good drainage which makes the water able to go up to the very bottom. The orange tree likes the soil moist but not too soggy.

Applying Fertilizer

Nutrients will help orange trees to grow faster. Nutrients help many parts of the tree. The leaves are going to grow healthy and stay green when they are getting enough nitrogen and iron.

Nitrogen deficiency causes yellow leaves on most plants and trees that is why you need to make sure that there is enough nitrogen in the soil. Apply fertilizer with a ratio of 2-1-1.

When the soil is also rich in nutrients, orange trees can produce more flowers and fruits.

Pollination And Orange Fruit Production

The orange trees can produce flowers three to four years or earlier. They are colored white and have a fragrant smell.

Orange trees are self-fertile but when they are grown outdoors, wind and pollinators help the tree pollinate flowers which leads to more oranges.

Since you are growing orange trees indoors, there will be no wind, and pollinators like bees will pollinate flowers. You need to bring your orange tree outside during summer to increase the production of fruits.

Or you can do hand pollination by getting a small brush and brushing each flower to be pollinated or by getting a flower and brushing them to other flowers. In that way, you can have more oranges in your tree.


The orange tree needs a little pruning. You can prune those too-long branches to make your tree smaller.

It will take time for the tree to grow big and pruning will be just a little. Trim those unhealthy branches to keep the orange tree in good shape.


Why Indoor Orange Tree Losing Leaves?

An indoor orange tree may lose leaves when it is lacking water. The soil in the container or pot dries quickly and you need to regularly check the soil moisture to know when you need to water your orange tree. The hot weather can cause stress to the tree which can lead to losing its leaves.

Why Indoor Orange Tree Leaves Turn Yellow?

Overwatering, lacking sunlight, and nutrient deficiencies can cause yellow leaves on orange trees. The tree must just receive the right amount of water to prevent the yellowing of leaves. Also, the tree must receive 6 to 8 hours of sunlight regularly. You also need to apply fertilizer rich in nitrogen and iron to keep the leaves healthy and green.

Why Indoor Orange Tree Leaves Curling?

Water stress, weather, pests, and diseases can affect the orange tree which causes leaves to curl. By providing excellent care for your tree this and other problems can be prevented.

Can You Grow An Orange Tree Indoors?

Yes, you can grow an orange tree indoors. You can turn this tree into a houseplant especially if you are going to grow dwarf orange trees. With enough water, sunlight, and nutrients this tree will thrive well indoors.