How To Grow A Bonsai Lemon Tree From Seed

Growing a lemon bonsai is a rewarding and challenge. It takes flexible practice, but with the right guidance, you can easily bring a citrusy scent and flavor to your yard. Our step-by-step guide will get you started on the journey to bonsai greatness!

First, you’ll need to gather seeds from a lemon. Carefully cut open the lemon and scoop out the small, roundish seeds inside. Place your seeds on a paper towel and let them dry for a few days. Once they’re completely dry, they’re ready to be planted.

Next, fill a small pot with well-draining soil. Plant the seeds about an inch deep in the pot, then water it thoroughly and cover the top with plastic wrap. Place the pot in a sunny window, or under a grow light if you don’t have enough sunlight.

Keep the soil moist and warm by watering it daily. Check the soil regularly and remove any weeds that start to grow. It can take up to three weeks for the seedlings to emerge.

When transplanting your new seedlings to larger pots, you’ll need to give them some space to grow. Select pots with separation of at least twice the width of the seedling. Fill the pots with a light, well-draining potting mix.

If your seedlings are still young, be gentle when you transplant them – carefully remove them from the pot and gently place them in the new one. Water your new seedlings and place the trays in a location that gets a lot of sunlight.

Lastly, take care not to over-water your little lemon trees. Make sure the soil is slightly dry before re-watering. As your seedlings start to actively grow, it’s time to start training them into the way you want them to look. You can use wiring and proper pruning to shape each bonsai into the perfect specimen.

Fertilizing your Lemon Bonsai

Your lemon bonsai needs the right nutrition to grow and thrive. To help support your plant’s growth, use a balanced bonsai fertilizer that is designed for citrus trees. Dilute the fertilizer according to the instructions on the container and apply it to your bonsai’s soil every other week, or as recommended.

You should also consider adding organic compost to your bonsai’s soil. This can help to improve the soil’s structure, enrich its nutrients, and strengthen its growth overall.

Whenever watering your lemon bonsai, make sure to use lukewarm water to reduce potential shock to the roots. Lemon bonsais should also be protected from temperatures that are too cold or too hot. This type of tree can tolerate temperatures as low as 25°F, but you may want to consider bringing them inside during very cold seasons.

Pruning and Shaping your Lemon Bonsai

Regular pruning and shaping can help you achieve the desired look for your bonsai. As your tree grows, trim it carefully, making sure to remove any branches or stems that are not part of the overall design. When it comes to pruning, you want to aim for balanced individual branches – especially the main ones.

When pruning, keep in mind to not take too much of the tree’s canopy away. You should also use sharp, sterilized shears to make consistent, clean cuts. Cuts that are too deep can damage the tree’s bark, so make sure to always trim lightly.

In addition to regular pruning, you can use wiring and shaping techniques to help bring your bonsai to life. Twisting, bending, and tying branches into the desired shapes may give the tree the perfect look.

However, be sure not to leave the wire too long or too tight, as this can damage the branch and hurt the tree. You will want to re-wiring your bonsai every couple of weeks to ensure that the branches remain in their desired shape.

Protection from Disease and Pests

Unfortunately, your lemon bonsai is susceptible to pests, diseases, and other challenges. To prevent any potential infestations or damages, make sure to inspect your bonsai for signs of these issues regularly.

If you notice signs of pests or diseases – such as holes in the leaves or yellowing – take action right away. Depending on the issue, you may need to use a pesticide or fungicide to help get rid of the problem.

The best way to prevent pests and diseases is to ensure that your bonsai is healthy overall. This includes providing your plant with appropriate amounts of sunlight, water, and nutrients. You should also make sure to clean up any fallen leaves and petals that collect in its pot.

Tools and Supplies for Growing a Bonsai Lemon Tree

To get started, you will need the right supplies. This includes a small pot, trays, well-draining soil, scissors, a fertilizer, and some pruning equipment.

You should also consider investing in a humidity tray and a bonsai bonsai fertilizer mix. As your tree grows, you may need to buy additional tools to help with maintenance and shaping. Examples include bonsai wires and a professional bonsai pot.

Lastly, make sure to keep your tools and supplies organized and easily accessible. This will make your bonsai journey smooth and successful. With these tips, you will soon have your very own lemon bonsai flourishing in no time.


Growing a bonsai lemon tree from seed requires patience and practice. However, with the right guidance and technique, you can create your own mini citrus tree at home. Whether you’re a beginner or a professional, follow our steps and tips for successful lemon bonsai growth. Best of luck in your bonsai journey!

Gordon Wesson is an environmentalist and author who lives in the Pacific Northwest. He has been writing for many years about topics related to trees, the environment, and sustainability. In particular, he is passionate about educating people on the importance of living in harmony with the environment and preserving natural spaces. He often speaks at conferences and events around the country to share his knowledge with others. His dedication to protecting our planet makes him one of the leading voices in his field today.

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