If you’ve been trying to root avocado seeds by suspending them over a glass of water with toothpicks, there is an easier way. I’ll show you a no-fuss way to root avocado pits to create new houseplants.
I recommend this method because it takes little effort and shows you exactly which seeds will germinate before planting them in pots.
Different Ways to Grow Avocado from Seed
Forget the toothpicks and water! And don’t bother with the plastic gizmo on Amazon or avocado buoy that suspends the seed over water. This method (below) works better. You will need good potting mix but not much else.
I have tested this easy method on a lot of grocery store avocados, and the germination rate is quite good.
I don’t like the toothpick method because it’s fussy, requires more effort, can rot the seed, and is not as reliable.
You can also try sprouting avocado seeds directly in moist potting mix, but that too can be hit and miss. I’d rather know the plant is going to succeed before going to the bother of planting it.
Before You Start
A little reality check.
No need to rush out and buy chips for your homegrown guacamole.
Odds are, your avocado plant is not going to produce fruit, or, if it does, it will take many years and may not produce good fruit.
Growing an avocado from seed is the slowest and least reliable way to get true (same as the parent) fruit.
Commercial growers use grafting methods to ensure fruit quality and quantity that are not really possible for home growers.
But, starting a plant from the seed/pit is an easy way to grow a free houseplant. If it does fruit, it could take as long as 8-20 years. Grafted avocados produce fruit in 2-3 years.
The actual pollination process in rather unusual and intriguing and worth further reading if you are interested.
So, start saving those pits and get growing.
You can also use this same method for growing mango plants from grocery store fruit.
Save The Instructions
Easy Method to Grow an Avocado Plant from Seed
It takes 4-6 weeks for avocado seeds to be rooted and ready for planting.
- Remove the seed (pit) from a fresh, ripe avocado. Avoid using a knife so there is no damage to the seed.
- Gently clean the seed under warm, running water using a soft brush or cloth ensuring all flesh is removed.
- Wrap the seed in a sheet of damp (not dripping wet) paper towel or tea towel.
- Place in a plastic food bag (do not zip shut) and store in a dark cupboard.
- Check on it every 4 days or so. I put a reminder in my phone calendar so I don’t forget.
At first you just need to ensure the paper towel stays damp. After a few weeks you’ll start to notice signs of germination.
When the seed is germinating, it will gradually crack open, revealing a deep split, and, eventually a root (or roots) will grow from deep inside the seed.
Do not break the seed apart: the seed body feeds the root growth, and the roots are delicate, so handle with care and do not break them. - When the root is 3-inches long, your seed is ready for planting in a flower pot.
- If your root (or roots) are longer than 3-inches and they won’t fit in your pot, you can cut them back to 3-inches in length with sharp scissors cleaned with rubbing alcohol or bleach solution (1-part bleach: 9-parts water). I have read this can help produce a bushy rather than a tall, leggy plant but have not tested it myself.
Related: Are Avocado Seeds Safe to Eat? No!
How to Plant a Sprouted Avocado Seed
Supplies
- 8-inch flower pot with drainage holes (for a 2-inch avocado seed)
- Indoor potting mix for houseplants
Avocados like good drainage so you can also amend the potting mix with perlite or sand if you like.
How to Tell Top From Bottom
Can you tell the top of your seed from the bottom? The top is (usually) tapered or pointy. The bottom is often broader and flat with a round, scaly marking. The roots will (usually) grow out the bottom). We plant the sprouted seed with the bottom and roots aiming down into the pot.
After One Month
The next photo shows the same seeds after a month in the damp paper towel.
Notice how they germinate at different rates.
Some are just getting started. Two are doing well. One is refusing to budge.
I will give these ones another few weeks and then plant the strongest ones:
Plant The Sprouted Seed
To plant, fill the pot half way with potting mix and gently place the seed in the pot.
Handle with care so the roots do not break.
While steadying the seed, gently press down the potting mix and add more as needed, leaving the top inch of the seed above soil level. The plant stem will grow from there.
Water (room temperature distilled water) until moist, not damp. Top up the potting mix as needed.
Place in warm, draft-free location with strong, indirect light. Or that’s the ideal.
Related: How to Grow Mango From the Grocery Store
Caring for Your Avocado Plant
Avocado plants are grown as tropical indoor houseplants.
- Full, indirect sun
- Moderate to high humidity
- Never allow soil to dry out
- Pinch off top leaves plant becomes leggy
- Mist with water occasionally
- Use a 7-9-5 houseplant fertilizer as directed
Read More: includes tips for planting, soil, containers, pruning, repotting, flowering, and more.
Dropping Leaves or Leaves Turning Brown?
This is common with seasonal changes indoors. Change of light and humidity can make the plant sulk: leaves may turn brown and drop. Don’t give up: mine rebound when winter is done and we have the central heating off once again.
Avocado Trivia
- The word ‘avocado’ originates from a word meaning ‘testicle’. Yes, that’s the first time that word has come up in my garden writing.
- The fruit of an avocado (the part we eat), is actually a large berry and the pit is a seed.
- Avocados are considered a healthy food choice, providing (primarily) monounsaturated fat, vitamins B6, C, E, and potassium, magnesium, and folate.
- Avocados are much richer in potassium than bananas (which are always heralded as potassium-rich).
- Bananas have 358 mg per 100 grams. Avocados have 485 mg per 100 grams.
- Avocados must be left to mature on the tree, but then ripen after harvesting. The hard, green fruit can take two weeks to ripen, although this is faster if exposed to ethylene gas.
- Grafted avocado plants produce fruit with a few years compared to germinated seeds (8-20 years).
- The pollination process for avocados is interesting: on day one female flowers open; on day two they are male and shed their pollen.
- There are three species of avocados and many varieties. Fruit sizes and tastes vary.
- 1. Guatemalan (Persea nubigena var. guatamalensis L. Wms.)
- 2. Mexican (P. americana var. drymifolia Blake)
- 3. West Indian (P. americana Mill. var. americana)
- If you do not live in a growing area, the avocados in your grocery store probably always come from the same few sources (depending on import/export laws).
~Melissa the Empress of Dirt ♛
How to Grow Avocado From Seed
Supplies & Materials
- 1 Avocado ripe
- 1 Tea towel or paper towels
- 1 Food container or plastic food bag
- 1 8-inch Flower pot with saucer
- 1 bag Potting Mix
Equipment
Instructions
Prepare Avocado
- Remove seed (pit) from a ripe avocado. Do not let knife touch seed to prevent damage.
- Gently wash seed under warm running water removing any avocado flesh.
- Take a before photo.
Start Rooting Process
- Wrap seed in damp (but not soaking wet) tea towel or paper towel.
- Place wrapped seed in food storage container or plastic food bag in dark kitchen cupboard. Do not seal bag/cover container or seed may get moldy.
Check Seed
- Check seed every 4 days or so by carefully unwrapping cover.
- Look for any visible changes and take more photos.
- Ensure towel is still moist and return to container.
- At first the seed will start to crack open (this is good) and one or more roots will grow from inside.
Plant Rooted Seed
- After approximately 4-6 weeks, the root should be around 3-inches long and ready to plant.
- Plant in 8-inch flower pot with roots facing down (or sideways if they grew that way).
- Cover in potting mix with top half-inch of seed above soil level.
- If roots are too big for pot, trim away excess, then plant and water.
Avocado Plant Care
- Grow your plant in a draft-free location with strong, indirect light.
- Avocado plants enjoy moderate to high humidity: never allow your plant to dry out.
- Use 7:9:5 fertilizer as directed.
- Keep taking photos to monitor growth.
Notes
- For more tips on avocado plant care see How to Grow an Avocado Tree.
- To grow a mango plants see How to Grow Mango From Seed.
- For ginger, pineapple, and more see The Kitchen Propagation Handbook.
Valeria says
Thank you for this!! Question: have you gotten any avocados from this?
Melissa J. Will says
Nope! The longest I have grown one is about 8 years and conditions were nowhere near optimum for flowering or fruiting. I gave it away after that but I would be very surprised if it ever fruited.
Brenda says
I just put it in compost. Grows great!
Melissa J. Will says
Hi Brenda, It’s great when that happens. However, it works for you because the growing conditions happen to be right without you having to think about them. Another gardener somewhere else may toss it in the compost and nothing happens because their growing conditions are different. So keep doing what you’re doing and I’ll keep helping those who don’t have lucky growing conditions!
Linda chase says
I have been trying to root avocados for years in water and it has never worked. 1St time I tried i a paper towel and left in a closet for 2 months, and the roots were amazing in growth and the sprout came from the side of the seed. No worries…I planted in on it’s side with the roots down and the sprout up….Plant is doing well and is on its 2nd set of leaves Thanks for the info !!!
Melissa J. Will says
Well done, Linda! Glad to hear it worked so nicely.
Mary E Nichols says
Why are the leaves dying and falling off? I pinched the first ones off then the next ones died and fell off and now the last four or five are dying!
Melissa J. Will says
Hi Mary,
This is very common especially in the winter with both diminished light and much drier conditions indoors. The lack of humidity, drafts, and indoor heating is really hard on them.
During the leaf-drop phase I let my avocado plants rest, away from windows and drafts, and keep them hydrated (mist spray, lighter watering).
Despite the loss of leaves, the plants continue growing (new leaves appear up top). By spring and summer the plant will improve.
It’s not pretty but it gets better!
Deanna everest says
I always grow avocado trees. They get about 2 to 3 feet tall then start dying at the top working down to root. What am I doing wrong
Melissa J. Will says
Hi Deanna,
There are many possible factors which are impossible to guess from here – light, humidity levels, watering, soil, nutrition, and more could all play a role.
Where I am in Canada, the change of seasons can really affect an avocado plant even when growing indoors. After weeks or month of forced air heat, the air is so much drier and the plant responds with dry leaves that eventually drop off. These guys would much rather have consistent growing conditions.
With only so much in my control, I let the plant have a rest for the winter, knowing it will perk up again in spring.
Mira Carroll says
This looks like something I can handle. Thank you! I’m going to try it!
Melissa J. Will says
This method is fool proof because you can see if the seed will root before planting it. Much easier than using toothpicks and water.