Growing Avocado Plants From Seed by AlissaSueK
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avocadoseeds.jpg
I love avocados and I love growing things, and this was a fairly cheap and very easy project to satisfy both of those things.
There are two ways to start out your seeds:
1. Perched over a cup of water (like the photo demonstrates)
2. In dirt (which grows faster than the water method)

You'll need:
Avocado seeds
Toothpicks and jars for the water method
Dirt, gravel, and pots (or the ground)
 
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Step 1: The Seed - Water Planting

Seed.jpg
avocadoseeds.jpg
This particular seed had sprouted inside of the avocado before I had even eaten it. Be careful to not cut any deep gouges when removing the seed. Clean it very well so there are no more bits of avocado flesh left on them (like there happens to be in this photo).

If you are using the toothpick method, stick three toothpicks in the side of the seed about halfway down. You want half of the avocado to be under water. Set it on the rim of a glass or jar and fill it up. The "bottom" is the fat end. Easy enough, right? Refill the water as it evaporates and keep the avocados in a bright window or outside. They will begin to sprout anywhere from a few days to several months. One avocado seed took three months to get going, but I've never had a seed not sprout eventually. When roots begin to fill the glass, transplant the whole deal carefully in a pot.
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ella868 says: Apr 20, 2013. 2:08 PM
When planted in dirt, does the fat end go up?
joel.r.bradley says: Feb 4, 2013. 3:49 PM
Looking at those leaves, the pale yellow against green veins, is that normal? They look nitrogen deficient.
GrooveBass says: Aug 14, 2009. 7:19 AM
My mom has 3 of these plants in Iowa. Very cool. If anyone knows if you can do this with other fruit seeds, like peaches or mangoes, please message me and let me know. thanks :)
stormy0314 says: Jul 26, 2012. 11:50 AM
Just ran across this 'ible. I have successfully grown lemon trees and mango trees but I started the mango tree in dirt. Buried the concave side down, (mango), about half of the height of the seed. It sprouted a beautiful bronze set of leaves followed a few days later by another set in a cross or X shape. The leaves later turned green. My lemon seeds were started in moist paper towels in a plastic bag on a window sill till they sprouted. Both the mango tree and the lemon trees have beautiful shiney leaves. I am growing them outside here in the Pacific Northwest which has been having most mornings at about 9c or low 50 degrees f and seldom gets above 16c to 20c or mid to high 60f tho there were a few days in the 70s f. So far they have been doing ok. They make beautiful decoratives but they can be made to bear fruit if grown inside. As an aside, check out youtube for "Bob Duncan: growing lemons in Canada." For peaches, freeze the pits for a month or so, crack the pit slightly and bury it very shallowly in planting medium. Most trees grown in cold winter states need to be froozen for a certain # of hours. Check out that info on a botony web site or maybe on you tube. Good luck.
rich60 says: Mar 23, 2012. 9:02 AM
I have done this before a few times, however when they get to around 12 months (or soon after) they always seem to die on me.
I've always started them off in the water first.
masterochicken says: Jul 13, 2012. 5:58 PM
You should try cutting off the the first set of leaves that grow.
romaine says: Apr 21, 2011. 12:47 AM
It is really nice to encounter this here. I have a avocado tree (grown from seed) that's about 13 years old and has moved house with us 4 times now.
The tub it is getting now is the biggest ever, I hardly can lift it by myself.
The tree is about 2,5 meters high and has a perimeter at breast height of some 30 cm.
Thanks for the instructable.
greintsma says: Jun 18, 2012. 10:56 AM
Does it fruit??
neetz says: Apr 27, 2012. 9:05 AM
haha! love this! i did this before and it grew a lot, until it fell of my shelf and the stem broke!
astraley says: Apr 25, 2012. 8:09 PM
My sister in law makes guacamole fairly often and i got a seed from her so now i will try this and see if it works. Thanks for sharing this instructable!
jessyratfink says: Mar 21, 2012. 6:47 PM
I just started my first pits today! I put two in the kitchen window. Here's hoping for some sprouting soon!
Alberta Leong says: Feb 26, 2012. 11:54 PM
I'm still waiting for mine to sprout! Day 9 and no sign of life yet.
thos555 says: Jul 30, 2009. 6:09 AM
I'm not sure if this would work with Avocados, but it might be a neat experiment to try. My friend grows hops for home brewing beer and these have the same "problem" of not yielding anything for a few years. He was able to trick the plants into flowering by putting them in the refridgerator two different times for about two weeks long each time while they were still infants. This fooled the plant into thinking it had experienced two winters and he got a decent yield in his first year.
bajablue says: Jan 8, 2012. 10:15 AM
I've heard of forcing blooms this way, but a double-whammy is brilliant!
ngreen1 says: Jun 4, 2011. 1:04 PM
My dad actually does that with various plants. The last one I remember was the Christmas Cactus. He didn't get the bloom he wanted so he put it in the fridge for about 3 days, then set it outside. In about 4-5 days, little buds began to appear!
AlissaSueK (author) says: Jul 31, 2009. 7:36 AM
I'm definitely going to try this out, thanks!
Sam the Wizer says: Jul 30, 2009. 5:12 PM
Interesting concept. I don't think if it would work with avocados since they're native to tropical climates and really don't like the cold. Perhaps alternating between full light and 60 - 70% light every 2 weeks or months would achieve the same thing. I'll have to try that with my plants.
Foxtrot70 says: Jul 30, 2009. 9:35 AM
That's interesting! I have often wondered how one might go about speeding the maturation cycle of some plants. Have you sampled your friend's product? How is the taste with the locally grown hops vs commercially produced hops beer?
sunevesor says: Dec 8, 2011. 7:12 AM
how do you prune the top?
Alberta Leong says: Nov 3, 2011. 12:20 PM
I tried germinating 2 avocado seeds a few months back.. failed. :( Guess i'll need to try my luck again.
Fanny Fink says: Apr 14, 2011. 2:04 PM
I couldn't believe my eyes when I saw your tips on the home page of instructables because I have been just given an avacado seed from my mother. It is a good surprise. (Absolute serendipity actually!) But we already planted it under the ground in a pot. (Fat side is at the bottom. But the top of the seed is also under the ground a bit.) shall I take it from there and put in a water filled jar?
thanx in advance
kine michelle says: Feb 19, 2010. 5:07 PM
 To water my avocado plant, I simply take a plastic bottle, fill it with water and stick it with the opening down in the soil. That way the plants gets water and you don't have to think about watering it all the time. Just fill the bottle when emty. Works great for me, my plant has just past 1 meter:)
NaturalCrafter says: Apr 9, 2011. 11:59 AM
Thanks so much for this tip. I want to try growing one again.
jessithepoo says: Oct 3, 2010. 12:35 PM
That's a good idea
NaturalCrafter says: Apr 9, 2011. 11:46 AM
This is something that has been tricky for me. With several failures. The avacado usually rots via the water method. One time I found one that had some rootlets and a bud inside a ripe avacado, and I tried saving that but it also began to turn brown the very next day. Others tell me how easy to grow, so I know I must be doing something wrong, but learned sometimes you can't give up.
Totysheep says: Sep 20, 2010. 12:15 PM
Uhm, Avocados turn into huge tree's. I don't think you'll be able to get fruit unless you bought a dwarf tree or something from a grower. But it's always nice to have a tree around the house I guess.
Mekasia says: Mar 25, 2010. 12:34 PM
I have started several avocado pits with the "zip-loc" method. Clean the pit, fold it in a paper towel, lightly dampen the towel, place it in a zip-loc bag, seal it, and place it in a window sill. Check it every few days, and orient it properly when the sprout appears. Usually in less than 2 weeks you have a 3+ inch plant that is ready for potting. I generally have plants over 3 feet tall in about 6 months like this.
joeymmeezz says: Feb 26, 2010. 7:08 PM
 kool thanks
purpleman says: Jan 25, 2010. 11:05 PM
 I grew one about two and a half feet tall in a year.  I recently read though that you must graft to get any fruit, and even then it takes seven years to bear any fruit.  Either way I think they look cool.
Vulcanator says: Nov 1, 2009. 1:51 PM
my avocados are refrigerated, will they still sprout or do i have to purchase un-refrigerated avacados?









 
rockstar7600 says: Sep 7, 2009. 4:06 PM
*8 inches!
rockstar7600 says: Sep 7, 2009. 4:06 PM
I miss my californian baby avocado plant! I grew one too!! It took me like 6 months to get it to inches, but it was worth it. I took so much care of it, but since you cannot take plants on the plane, I had to leave it to my brother, god knows how its doing. But I will start the process again, this time with an Argentinian one.
Hair says: Aug 24, 2009. 8:20 PM
thank you for this! I will try this
gia says: Aug 22, 2009. 12:18 PM
I split a 0.5 litre (1 pint-ish) water bottle to half, and sticked the side with the neck inside it. That filled with water, and avocado on top of it = I never need to use the toothpicks to disturb the seed with this method. (once they have some root and some growth, proceed to plant).

So far tested on a bunch of avocados, two of which are now 3 feet tall and growing...
diydept says: Aug 16, 2009. 10:20 PM
5*
fegundez1 says: Jul 29, 2009. 4:45 AM
I am the johnny avocado seed of Florida,i have planted at least 2,000 of these lovelies here in the daytona beach area. the average time from seedling to fruit is 5 years,remember these will get very tall!! over 15 feet ! ! so give it room if you plant it too close to structures someone will cut it down and all is for nothing): these also are excellent shade trees and they will grow pretty fast so if you eat an avo,just find an empty spot and bury the seed point up...next thing you look and there's a tree!!
d1no says: Aug 9, 2009. 6:06 AM
WOW -all this time I have been believing the hype about the avacado seeds from grocery stores NOT producing fruit!! Are you using the haas avacado? Florida avacado? I live in Oxford Florida (Sumter CR 466 and SR 301)where we get more cold than you do in Daytona, but I can protect a tree, as we do the oranges. What do you think?
altomic says: Aug 9, 2009. 2:55 AM
avocado. nothing better. toasted cheese and avocado sandwich. yummmmmmmm. thanks for the instructable- clean and simple. i've done the toothpick method and sometimes I think "it's never going to sprout" but I stick with it and they always do. I have 8 pits sitting on the ledge above my sink that I am going to plant in dirt this time.
ceanderson says: Aug 2, 2009. 7:01 AM
I used to do this as a kid in SoCal. I live in Minnesota now, and with the price of avocados up here I wish I could do this again. But I doubt the tree would survive an MN winter :(
vonKaos says: Jul 31, 2009. 2:43 PM
I live in Brasilia - Brazil - and near my home there are a lot of avocado trees. So I dont care about grow it. I just go out and catch some of them. And they frutificate all the year. Brasilia has a many fruits trees all around you see. Mangos, Jaca, Jenipapo, Avocado and many others. It´s amazing.
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