Plant and Grow an Avocado Seed in Soil: A Step-by-Step Guide

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Who doesn’t love fresh guac or creamy avocado toast? If you’ve ever made anything with an avocado, you may have wondered just what you can do with the big pit in the center. Why not use it to grow your own avocado tree? They’re easy to care for, they make great-looking houseplants, and if you live in the right climate they can even produce delicious fruit that you can eat!

Part 1
Part 1 of 2:

Seed Germination

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  1. Cut a ripe avocado in half lengthwise and scoop out the pit, or seed. Run it under cool water and use your fingers to gently brush off and remove any residue from the surface. [1]
    • You can tell if an avocado is ripe by gently squeezing it. If it gives and feels slightly squishy, then it’s good to go. If it’s really hard, wait another day or so and check it again. You can also pull the stem part of the avocado. If it comes out easily, it is probably ready. Check out this Wikihow article for more info: https://www.wikihow.com/Tell-if-an-Avocado-Is-Ripe .
    • While you can grow an avocado tree from any pit, you have to live in a frost-free climate in order for the tree to produce fruit. [2]
  2. Take a clear jar, glass, or tumbler and rinse it out well so it’s nice and clean. Fill it up about ¾ of the way full with room-temperature water. [3]
    • A clear container allows you to see the root system forming, which can help tell you when the seed is ready to plant into soil.
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  3. An avocado seed has a flattened, broad end and a slightly narrower, rounded end. Hold the seed and push 3 toothpicks into the center between the two ends. Space the toothpicks out evenly in the pit. Then, gently rest the toothpicks on the rim of the glass with the broad end submerged just beneath the surface of the water. [4]
    • You don’t want the entire seed soaking in the water or it could rot.
    • You may need to add more water so the end of the avocado seed reaches it.
  4. Try to keep the seed between 60–85 °F (16–29 °C). If the water gets too hot or too cold, it won’t germinate. Put the glass somewhere like the top of a shelf or on a kitchen cabinet so it gets indirect light but the water won’t heat up too much. [5]
  5. Check the water in the glass often. If it gets so low that the end of the seed isn’t submerged just below the surface, top it off so the seed stays in contact with the water. Every couple of days, empty out the water and fill it back up again so it stays clean. [6]
    • If you ever see any slime or gunk in the water, swap it out immediately.
  6. After about 6-8 weeks, the avocado seed will split open and you’ll see a shoot form at the top and roots start to come out of the bottom. Wait until the top stem gets at least 6–7 inches (15–18 cm) and then use a pair of scissors to trim the stem back.
    • Trimming the stem encourages new growth.
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Part 2
Part 2 of 2:

Planting and Care

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  1. After you trim the stem back, allow it to grow back and develop leaves. Once the leaves grow and the root system is nice and thick, which can take up to 6 weeks, you can plant the seed whenever you’re ready. [7]
  2. Go with a plastic or ceramic pot with holes at the bottom to allow for good drainage. Fill it up with potting soil designed for growing fruits and vegetables to just before the rim. Gently pat it down so the surface is nice and even. [8]
    • Potting soil will help with drainage and give your avocado plant the nutrients it needs to thrive.
    • You can find potting soil at your local garden supply store, home improvement store, and department store.
  3. Use your fingers to create a divot and gently place the seed root-side down into it. Push the seed into the soil until it’s halfway buried. [9]
    • Don’t completely cover the seed with the soil or it could smother and kill it.
  4. Avocado trees love being in temperatures between 60–85 °F (16–29 °C). [10] Make sure your plant gets plenty of sunlight but isn’t directly exposed, which could dry it out or fry it. Find a sunny windowsill and place it on top or place it on a shelf near a window. [11]
    • You can also place the pot outside. Just choose a location where it isn’t constantly exposed to direct sunlight.
    • If you notice your plant isn’t doing well in one location, try moving it to another to see if that helps.
  5. Check the water level by sticking your finger into the soil to see if it’s moist. If it’s dry, add enough water to saturate the top 1 inch (2.5 cm) so your avocado plant has plenty of moisture but won’t get waterlogged. [12]
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      Tips

      • Keep in mind that it can take between 5-13 years for an avocado tree that was started from seed to bear fruit. But if you take care of it, and it doesn’t experience any frost, it can happen! [13]
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      • If your avocado plant turns yellow, you may be over-watering it. No big deal. Just let it dry out for a few days before you water it again. [14]
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      • If the leaves of your avocado plant turn brown or look dead at the tips, there may be too much salt in the soil. Pour water into the pot and let it flow freely through the soil and flush out the excess salt. Let it drain for a few minutes and you should be good to go!
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      Things You’ll Need

      • Avocado seed
      • Clean jar or tumbler
      • 3 toothpicks
      • 10.5 inches (27 cm) diameter pot
      • Potting soil designed for fruits and vegetables

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      Expert Interview

      Thanks for reading our article! If you’d like to learn more about gardening, check out our in-depth interview with Don Tipping .

      References

      1. ↑ https://www.garden.eco/plant-avocado-seed-soil
      2. ↑ https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=281661
      3. ↑ https://www.rhs.org.uk/plants/popular/avocado/growing-guide
      4. ↑ https://lancaster.unl.edu/avocado-seed
      5. ↑ https://lancaster.unl.edu/avocado-seed
      6. ↑ https://www.rhs.org.uk/plants/popular/avocado/growing-guide
      7. ↑ https://lancaster.unl.edu/avocado-seed
      8. ↑ https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/visual-guides/plants-from-kitchen-scraps.aspx
      9. ↑ https://www.rhs.org.uk/plants/popular/avocado/growing-guide
      1. ↑ https://lancaster.unl.edu/avocado-seed
      2. ↑ https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/visual-guides/plants-from-kitchen-scraps.aspx
      3. ↑ https://www.rhs.org.uk/plants/popular/avocado/growing-guide
      4. ↑ https://edis.ifas.ufl.edu/publication/MG213
      5. ↑ https://edis.ifas.ufl.edu/publication/MG213

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      • Sandra Olson

        Mar 28, 2023

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