It is surprisingly easy to grow your own avocado from its core, and it is a great educational project for home and classrooms. Consult our practical guide, with photos, to learn how to grow an avocado from seeds.
1- Eliminate and clean:
You will need to start by carefully removing the avocado pit (without cutting it), then wash it clean with all of the avocado fruit. Be careful not to remove the brown skin on the pit, that is, the seed cover.
2- Locate the top of the bottom:
Some avocado seeds are slightly oblong, while others are shaped like perfect spheres, but all have avocado a “bottom” (from which the roots grow), and a “top” (from which the germ will grow). The slightly pointed end at the top, and the flat end is at the bottom.
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In order to allow your seed to germinate, you will need to place the lower root in the water, so it is very important to determine which end is the “top” and which is the “bottom” before piercing the core with toothpick.
Take four toothpicks and stick them at a slight downward angle into the avocado seed, evenly spaced around the circumference of the avocado pit. These toothpicks are your avocado scaffolds, which will allow you to rest the bottom half of the avocado in the water, so the toothpicks should be stuck firmly.
4- Place the avocado for a few weeks in a glass of water:
Place it on the windowsill of a window slightly lit by the sun. It is useful to use a clear glass so that you can easily see when the roots are starting to grow, and also when the water needs to be changed. Many guides recommend changing the water every day, but it’s best to change the water every five days to a week or two. To make sure you prevent mold, bacteria and fungus growth, which can damage your little avocado germ.
5- Wait for germination:
Many online guides say that germination can take 2-4 weeks, but in our experience it took at least 8 weeks to get a germ, so be patient. In the meantime, do not allow your taproot to dry out without ever being coated – it will kill your plant.
6- Plant in the ground:
When the stem is between 12 and 16 cm long, cut it to about 3 inches, this will encourage new growth. When it strikes 12 to 16 cm again, put it in humus-rich soil in a pot 20 to 30 cm in diameter, leaving the top half of the seed exposed. Place it on a sunny window. Lawyers love the sun.
7- Water and watch:
Give it frequent watering with occasional deep soaking. The soil should always be moist, but not saturated. The yellowing leaves are a sign of over-watering; Let the plant dry for a few days.
8- Fixing step:
When the stem reaches 25 cm in height, prune the two sets of leaves. This will encourage the plant to grow side shoots and more leaves, making it bushy. Each time the plant grows 10 cm cut the 2 new sets of leaves on top.
Avocado trees can grow in summer, but if you live in a place where winter is very cold, you will need to bring them indoors during fall and winter, before temperatures drop and the harshness of time sets in.