How to Plant a Lemon Seed

Lemons can be easily grown from seed and are a wonderful looking plant. You can propagate the seeds directly in soil, or in a plastic resealable bag with a damp paper towel. This article will show you how to plant lemon seeds using both methods. It will also give you tips on how to choose the best lemon seed, and how to take care of your seedling.

Method 1

Method 1 of 3:

Planting Seeds in Soil

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1
Prepare your potting soil in a separate bucket. Pour some soil into a large bucket and add water to it until it is damp. Mix the soil with your hand or a trowel until it is evenly damp. Do not allow the soil to become soggy, or the seeds will rot. You will need a well-draining soil. Lemon trees love water, but they hate to sit in it.
- Try to get a pasteurized soil mix. Pasteurization gets rid of any bacteria that can kill seeds.^{[1]XResearch source}
- Consider getting a soil that is a blend of peat, perlite, vermiculite, and organic fertilizer. This will give your seedling proper drainage and nutrients.^{[2]XResearch source}
2
Choose a small pot with drainage holes. The pot should be about 3 to 4 inches (7.62 to 10.16 centimeters) wide, and 5 to 6 inches (12.7 to 15.24 centimeters) deep.^{[3]XResearch source}^{[4]XResearch source}This pot will be enough for one seed. Some people like to plant several seeds in one pot at a time. If you want to do this too, choose a larger pot.
- Your pot must have drainage holes. If your pot does not have any, you will need to drill some.
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Stop when the top of the soil is about 1 inch (2.54 centimeters) from the rim.
You can do this using your finger or a pencil.
5
Choose a plump-looking seed from a lemon. It may be necessary to use an organic lemon because seeds from a non-organic lemon may not sprout. Also, avoid taking any seeds that look too tiny (like a grain of rice) or that look shriveled (like a raisin). These seeds either won't sprout or won't grow into healthy seedlings.
- Consider planting 5 to 10 lemon seeds at one time, in case some of the seeds don't sprout or don't make it past seedling-hood.
- Keep in mind that trees that come from seeds are not identical to the parent tree that they came from. Sometimes, the fruit that the new saplings produce is of a lesser quality. Other times, they do not produce edible fruit at all. This does not prevent the young tree from being visually pleasing. Keep this in mind when growing your tree.^{[5]XResearch source}
6
Wash the seed to get rid of the slimy coating. You can do this by washing the lemon seed or by sucking on it until the coating is gone. This is important. The gel-like coating contains sugars, which can cause the seed to rot.^{[6]XResearch source}
- Consider leaving the lemon seeds in a cup of warm water overnight. This will help them sprout faster.
Make sure that the pointy tip is pointing downward into the soil, and the rounded part is pointing upward towards you. The roots will come out of the pointy part.
Begin by placing a sheet of clear plastic cling wrap over the pot. Wrap a rubber band around the plastic wrap to secure it to the pot. Poke a few holes into the plastic wrap. You can use a pencil, a toothpick, or even a fork. These holes will allow the plant to breathe.
9
Place the pot in a warm location. You can place the pot in a sunny location too, but sunlight is not vital at this point. In fact, too much sunlight can "cook" the young, delicate seedlings. You should see a sprout emerge in about two weeks.
- The ideal temperature is between 68°F and 82.4°F (20°C and 28°C).^{[7]XResearch source}
The plastic wrap should trap the moisture, and the condensation should rain down onto the soil, making it damp again. In very dry environments, this may not happen. If you see the soil start to become dry, remove the plastic wrap and water the plant. Be sure to re-cover the pot with the plastic wrap when you are done watering.
Remember to keep the soil damp, but do not let it become soggy. Click here to learn how to take care of your seedling.

Method 2

Method 2 of 3:

Sprouting Seeds in a Plastic Bag

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1
Dampen a paper towel and smooth it out on a flat surface. Start by soaking a paper towel with water, then squeeze out the excess water. Place the damp paper towel on a flat surface and smooth out any wrinkles.^{[8]XResearch source}
- The paper towel should fit inside your plastic zippered or resealable bag. If the paper towel is too big, then fold it in half or into quarters.
2
Pick out 5 to 10 plump seeds from an organic lemon. Seeds from non-organic lemons will not always sprout, so it is a good idea to prepare at least 10 seeds to ensure you have a healthy selection. Look for seeds that are large and plump. Skip the ones that look shriveled or like tiny, white specks. These will either not sprout, or they won't grow into a healthy seedling.^{[9]XResearch source}
- Even if you only plan on growing one lemon tree, it is a good idea to start with several seeds. Not all seeds will sprout, and not all seedlings will survive.
- Take care to not crowd the seeds. They should be at least three inches apart, so that they have room for their roots as they germinate.
This will keep the seeds from drying out while you work. The seeds must stay moist. If they dry out, they will not sprout.
You can do this by rinsing the seeds in cool water, or by sucking on them. This gel is filled with sugars, which can encourage mold and bacteria growth.
Start peeling from the pointy end. You can use your finger nail or a craft knife to nick the tip, and then peel the outer shell down. This will make it easier for the seeds to sprout and speed up the process, but is not necessary for germination to occur.
You may notice that your seed is covered with a thin, brown film. Use your fingernail to scratch this coating off.
Try to spread the seeds out as evenly as you can, so that the roots don't become tangled when they sprout.
Once the seeds are on the paper towel, they should stay damp. If you notice them starting to get dry out, consider covering the paper towel with another damp paper towel, or folding the first one overtop of them.
Don't use a plastic grocery bag. You want the bag to be zippered or resealable; this will help trap the moisture and retain heat. Your seeds will need both in order to sprout.
^{[10]XResearch source} Keep the temperature between 68 and 72 degrees Fahrenheit. It will take one to two weeks. Some seedlings will need up to three weeks to sprout.
^{[11]XResearch source} Make a shallow hole (a half inch deep) in a pot of damp, well-drained soil, and tuck the seedling, tail-side-down into the hole. Gently pat the soil around the seedling.
Remember to water the plant and to keep the soil damp; do not allow the soil to become soggy or dry. Click here to learn how to take care of your seedling.

Method 3

Method 3 of 3:

Taking Care of Your Seedling

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When the seedling has 4 developed leaves, let the surface of the soil become dry before you water again. Don't let the soil dry out completely, however; it should be moist if you stick your finger into it.^{[12]XResearch source}
Lemon trees require at least eight hours of sunlight. Seedlings will require 10 to 14 hours.^{[13]XResearch source} You may have to place a grow light next to your tree to ensure that it gets enough sunlight. You can purchase grow lights from gardening shops and nurseries.
3
Know when to transplant your seedling. Eventually, your seedling will outgrow its pot. When the seedling reaches 1 year old, transfer it to a 6 inch (15.24 centimeter) wide pot. Eventually, you will need to move your plant to a pot that is 12 to 18 inches (30.48 to 45.72 centimeters) wide and 10 to 16 inches (25.4 to 40.64 centimeters) deep.^{[14]XResearch source}^{[15]XResearch source}
- A good rule of thumb to determine when it's time to transplant is to look under the pot. If you can see roots through the drainage holes, it is time for a new, bigger pot.
Lemon trees like soil that is slightly acidic. The pH should be between 5.7 and 6.5. You can measure this with a pH testing kit, which you can purchase from a gardening shop or a nursery. A good way to lower the acidity of the soil is by watering the plant once a month with some cold black coffee or tea (with no milk or sugar added).^{[16]XResearch source} However, make sure that you continue to monitor the pH until it has reached the ideal range.
5
Remember to provide your tree with proper nutrients so that it grows healthy and strong. You can either dig a trench around the tree and fill it with dry compost, or you can water it with a water soluble fertilizer. Here are some ways in which you can provide your tree with the nutrition it needs:
- Fertilize your lemon tree twice a year with an organic fertilizer, such as compost or vermicompost.^{[17]XResearch source}
- Water your plant every 2 to 4 weeks with a water soluble fertilizer. It should be high in potassium and magnesium.^{[18]XResearch source}
- If your tree is going to stay indoors, purchase a general indoor plant fertilizer. It should contain micronutrients.^{[19]XResearch source}
- Water your tree once a month with a solution made from 1 tablespoon of Epsom salts and ½ gallon (1.89 liters) of water.^{[20]XResearch source} If your tree is still very small, you might not need so much water. Instead, water the plant as much as you need to, then save the leftover water for the next month.
6
Understand that it will take some time before your tree can bear fruit. Some lemon trees will produce fruit in as little as five years. Others will requires as many as 15 years.
- If you have an indoor lemon tree, you'll also need to pollinate it by hand before it will bear fruit. Bees typically take care of this when your lemon tree is planted outside, though.

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Do lemon trees grow in California?
Andrew Carberry, MPH
Food Systems Expert
Andrew Carberry is a Food Systems Expert and the Senior Program Associate at the Wallace Center at Winrock International in Little Rock, Arkansas. He has worked in food systems since 2008 and has experience working on farm-to-school projects, food safety programs, and working with local and state coalitions in Arkansas. He is a graduate of the College of William and Mary and holds a Masters degree in public health and nutrition from the University of Tennessee.
Andrew Carberry, MPH
Food Systems Expert
Expert Answer
Yes, lemon trees grow in USDA hardiness Zones 9-11, where the winters don't get too cold.
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Which type of climate do they need?
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Citrus trees generally need a high humidity, ideally with a minimum of around 50-60%. Lemons are generally hardy down to 10°C. Mature trees can stand occasional, brief frosts but still need protection. In terms of moisture, citrus trees should not be over-watered as this can kill the plant. As for light, at least 5 to 6 hours is required for survival, but 8 to12 hours would be better.
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Should I be concerned that a wispy film of mold has formed on the surface of the soil around my lemon seedlings?
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This could be a sign of over-watering, which is a cause for concern. Let the soil dry out between waterings. If the mold gets worse, try moving the seedlings into individual pots that are only a little bit wider and deeper than their root balls.
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Tips

Consider keeping five seedlings in the same pot. This will give you a larger, fuller plant to look at. It will also help prevent over-watering.^{[21]XResearch source} When the seedlings get big enough, you can move them to separate pots.
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Lemon trees can take a few months before they are several inches tall and sprout enough leaves to look visually pleasing. If you are planning on giving a lemon tree as a gift, you might want to plant it up to nine months in advance.^{[22]XResearch source}
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Sometimes, a single seed will produce several seedlings. If you notice this happening, wait until each seedling has about four leaves. Then, pull the seedlings out of the soil and carefully pull them apart. Place each seedling into its own pot. In the case of two seedlings, one of them is likely to grow into the "true" plant, and will be identical to the parent plant. The other may be a special cross resulting in a unique fruit. ^{[23]XResearch source}
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The advice in this section is based on the lived experiences of How.com.vn readers like you. If you have a helpful tip you’d like to share on How.com.vn, please submit it in the field below.

If you're using the baggie-sprouting method, plant the seeds into plastic cups before transplanting them into big pots. Make sure to put drainage holes in these plastic cups!
You'll likely have more success growing a lemon tree if you live in a warm environment (or have a warm environment to grow your tree in, like a greenhouse).

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