The lemon tree is one of the most popular fruit trees, even when grown in small spaces. Having a potted lemon tree is not only a practical way to enjoy this citrus plant at home, but it also offers the opportunity to harvest fresh lemons directly from your terrace or balcony. But how big can a lemon tree really grow in a pot and what care does it need?
It is possible to enjoy a healthy lemon tree with good fruit production even in containers, as long as it receives proper care. From the Choosing the ideal pot From the most specific details of irrigation, substrate and fertilization, we will tell you everything so that your tree thrives to the fullest.
Choosing the perfect pot for your lemon tree
The size and material of the pot are crucial To ensure the good development of a potted lemon tree, this tree needs a container large enough to allow its roots to expand. A pot with a minimum diameter of 30-60 cm and a depth that also reaches at least 30 cm is recommended. The larger the pot, the more space there will be for it to grow, and the greater its capacity to bear fruit.
As for the material, terracotta pots are ideal because they improve soil aeration thanks to their porosity. However, plastic pots are easier to move and retain moisture better, which can be useful in warm climates. Regardless of the material, it is essential that the container has drainage holes to prevent waterlogging.
Prepare the appropriate substrate
The lemon tree needs a quality substrate that is Light, permeable and nutrient-rich. Therefore, it is ideal to use a mixture for citrus fruits that has a slightly acidic pH level (between 5.5 and 6.5). If you cannot find a specific substrate for citrus fruits, you can mix quality soil with compost and sand to ensure good drainage.
In addition, it is advisable to add a layer of gravel or small stones at the bottom of the pot to further improve drainage. During the initial transplant or planting, it is also advisable to include a little organic compost or specific fertilizer in the deeper areas of the substrate.
The ideal location: light and temperature
The lemon tree needs at least 6-8 hours of direct sunlight per day. to thrive. Therefore, the best location will be the corner of your terrace, balcony or garden that receives the most sunlight. Indoors, place it next to a south-facing window or use artificial lights to make up for the lack of natural light.
As for temperature, this citrus tree thrives in warm climates. It tolerates daytime temperatures between 21 and 27 °C, but it is important to protect it during the winter, as it does not withstand extreme cold. If you live in an area where temperatures drop below 10 °C, it is advisable to move it indoors during the coldest months or cover it with a thermal blanket.
Irrigation and fertilization: keys to healthy growth
Un potted lemon tree require constant but moderate watering. You should avoid both excess water and prolonged dryness. During the warm months, it is recommended to water it every two or three days, while in winter once a week may be enough.
To find out if your plant needs water, touch the top layer of the substrate. If it is dry at about 2-3 cm depth, it is time to water. It is also important to remove excess water from the saucer under the pot to avoid water problems. root rot.
As for fertilizer, this tree needs regular fertilization to grow healthy, to flourish and produce fruit. Choose a fertilizer rich in nitrogen, phosphorus, potassium and minerals such as iron, zinc and magnesium. Apply fertilizer every two weeks during spring and summer, reducing the frequency in fall and winter.
Pruning and transplanting your potted lemon tree
Pruning plays a key role Pruning is a key part of maintaining the health and shape of the tree. Pruning should be done once a year, preferably in late winter or early spring. Remove any dry, damaged or untidy branches. It is also a good idea to leave a clean trunk and balance the crown to facilitate air and light circulation.
In addition, repotting the lemon tree every 3-4 years is necessary to prevent the roots from being compressed. When you do so, make sure to move it to a larger pot and renew at least 50% of the substrate.
How to deal with pests and diseases
Potted lemon trees are prone to certain pests such as aphids, mealybugs or spider mites. To prevent these attacks, check the leaves and branches regularly, and clean the plant with soapy water if you detect insects.
They can also fall victim to fungal diseases such as anthracnose or mildew. Make sure not to flood the soil, as excess moisture encourages the growth of fungi. Use suitable fungicides if you notice spots on the leaves or fruits.
Growing a potted lemon tree is a rewarding experience that not only beautifies your space, but also allows you to enjoy fresh, organic fruit. With proper care, this tree can reach a considerable size and provide quality lemons all year round. You just need to choose the right pot, provide it with enough light and water, fertilize it regularly and protect it from pests and diseases. Dare to grow your own lemon tree and enjoy all its benefits!