How to Grow a Lemon Tree from a Lemon Seed

On this page (9 sections)

1. How do you prepare lemon seeds for planting?
2. What supplies do you need to grow a lemon tree from seed?
3. How do you plant lemon seeds?
4. How warm and wet should the pot stay?
5. What should you do when lemon seedlings emerge?
6. When should you move a lemon seedling to a larger pot?
7. How do you care for a young indoor lemon tree?
8. Can a lemon tree grown from seed produce fruit?
9. What is the simplest way to grow a lemon tree from a lemon?

To grow a lemon tree from a lemon, plant fresh seeds in moist, well-draining potting mix, keep them warm, and give the seedlings strong light. A seed-grown tree may take years to flower and fruit, and its fruit may not match the lemon you started with.

Use several seeds from a fresh lemon to improve your chances of getting a sprout. The main supplies are a small pot with drainage, seed-starting mix, water, and a warm spot with bright light.

How do you prepare lemon seeds for planting?

Rinse fresh lemon seeds and plant them before they dry out. Pulp left on the seed can grow mold, so wash it off gently with water.

Cut the lemon open carefully and pick out several plump seeds. Avoid nicking them with a knife, then rinse away any remaining pulp.

Some growers peel off the seed's outer coat to encourage faster sprouting, but it isn't required. If you try it, handle the seed gently so you don't damage the inner seed.

What supplies do you need to grow a lemon tree from seed?

A small pot with drainage and a light, well-draining potting mix are enough to get started. A clear cover can help hold moisture until seeds sprout, but remove it once seedlings emerge.

Choose a clean pot with drainage holes so extra water can escape. Fill it with seed-starting mix or a light potting mix that holds some moisture without staying soggy.

If you want a dedicated seed-starting setup, compare Best Grow Lights For Seed Starting for options that can give new seedlings steady light. You can also reuse a small clean nursery pot if it drains well.

Are microgreens supplies useful for lemon seeds?

Microgreens kits are made for edible greens, not lemon seedlings, so they aren't needed to start a citrus tree. They can still suit you if you want to grow a separate crop of quick greens while waiting for a lemon seedling.

The ZESTIGREENS Microgreens Growing Kit includes a reusable tray, a hydroponic insert, a blackout felt lid, hemp mats, and microgreens seeds. Its tray is for microgreens rather than a growing lemon tree.

How do you plant lemon seeds?

Plant each fresh seed about half an inch deep in moist mix. Starting several seeds in one pot is fine, but give each seed enough space to avoid crowding as it grows.

Moisten the mix first, then make small holes and cover the seeds lightly. Water gently so the seeds stay in place.

Set the pot somewhere warm and bright, but keep it out of harsh direct sun while it's covered. A loose clear cover can help retain moisture; lift it briefly to check the mix and let air circulate.

For a different edible indoor project, our guide to How to Grow Tomatoes Hydroponically Indoors from Seed? explains how an indoor seed-starting setup can differ when you grow without potting mix.

How warm and wet should the pot stay?

Keep the mix evenly moist, not waterlogged, and the pot warm. Check the surface regularly and add a little water when it starts to dry.

A warm indoor location helps seeds germinate. Avoid placing the pot on a cold windowsill or next to a drafty door.

Too much water can leave seeds without enough air and encourage rot. If the pot sits in a saucer, empty any standing water after it drains.

What should you do when lemon seedlings emerge?

Remove the cover as soon as seedlings appear and give them strong light. A bright window can work, but rotate the pot every few days if growth leans toward the light.

If natural light is weak, a grow light can help keep new stems from stretching. Place it according to its instructions and keep a regular daily light schedule.

Once seedlings have several leaves, keep the strongest one or two and remove crowded or weak sprouts. Handle the remaining seedlings gently to avoid disturbing their roots.

When should you move a lemon seedling to a larger pot?

Move a seedling when roots begin filling the starter pot or growing through its drainage holes. Choose a pot only a little larger, with drainage holes and fresh potting mix.

Water the seedling before moving it so the root ball holds together. Set it at the same depth it was growing before, then water lightly to settle the mix.

For more on container choice and planting depth, see How to Plant Lemon Trees in Pots. Avoid moving a small seedling into a very large pot, where excess mix can stay wet for too long.

Are sprouting seeds a good substitute for lemon seeds?

Sprouting seeds are for sprouts and greens, not citrus trees. Keep them separate from your lemon project, since their growing method and harvest are different.

Organo Republic Broccoli Sprouting & Microgreens Seeds are intended for broccoli sprouts and microgreens. They may be grown in soil or in some hydroponic systems, but they won't grow into a lemon tree.

The Kitmiido Organic Seed Sprouting Jar Kit includes jars, sprouting lids, a stand, a drip tray, and blackout sleeves, with seeds sold separately. It's designed for sprouting seeds and beans, not growing potted citrus.

How do you care for a young indoor lemon tree?

Give a young lemon tree strong light, a draining pot, and careful watering. Let the surface of the mix begin to dry before watering again, and don't leave the pot standing in water.

Keep the plant away from cold drafts and sudden temperature changes. Turn the pot now and then so the plant grows more evenly toward its light source.

Lemon trees can become large for indoor spaces, so plan for a bright location with room for the plant as it matures. Read How to Grow a Lemon Tree Indoors for ongoing care and indoor growing conditions.

Can a lemon tree grown from seed produce fruit?

A seed-grown tree may eventually fruit, but it can take several years and the result is uncertain. A seedling's fruit may differ in size, taste, or quality from the lemon that supplied its seed.

Some citrus seeds can also produce seedlings that aren't true to the parent plant. If your main goal is predictable fruit, a grafted lemon tree is generally a more reliable starting point than a seed.

For a closer look at indoor citrus expectations, read Can You Grow Citrus Trees Indoors Year Round?. If you're growing other edible plants inside, Can You Grow Strawberries Indoors All Year? covers another fruit crop.

What is the simplest way to grow a lemon tree from a lemon?

For how to grow a lemon tree from lemon seeds, start with several fresh seeds, moist mix, warmth, and strong light after sprouting. Keep the pot draining freely and move seedlings up only when roots need more room.

Choose seed growing if you enjoy raising a plant and can wait for uncertain fruiting. Choose a grafted tree if getting fruit sooner and keeping its variety predictable matter more.

Frequently asked questions

Can you grow a lemon tree from a grocery store lemon?

Yes, you can try seeds from a grocery store lemon if they are fresh and haven't dried out. Rinse them, plant several in moist potting mix, and keep the pot warm.

Germination and fruiting aren't guaranteed, and a seedling may not produce fruit identical to its parent.

How long does a lemon seed take to sprout?

A lemon seed may sprout in a few weeks when it stays warm and evenly moist, though timing varies. Plant several seeds because some may not germinate.

Once seedlings emerge, uncover them and provide strong light so the stems don't grow weak and leggy.

Do lemon seeds need to dry before planting?

No. Plant lemon seeds while they're fresh; drying can reduce the chance that they germinate.

Rinse away pulp, then place the seeds in moist potting mix.

If you can't plant right away, keep them from drying out and plant them as soon as you can.

Will a lemon tree grown from seed produce fruit?

It may, but a seed-grown lemon tree can take several years to flower and fruit, and some seedlings may not fruit well indoors. The fruit can also differ from the parent lemon.

Give the tree strong light and steady care, and treat fruiting as a possibility rather than a promise.