So coming to Step 6: Take a container with a lid or you can even use a polythene bag or a zip lock bag. Place the seeds on a layer of toilet paper and sprinkle some water to make it moist and then place another layer of tissue paper and cover the lid. This is to keep it warm and also moist and this speeds up the germination process. Check every 2 or 3 days for root development and also to see if its moist.
Having said that, now we will look into the step by step process you can follow for successful pistachio seed germination :
We are just doing this for gardening fun and experimenting and to have the feeling of possessing a pistachio tree in your collection. Because, similar to other fruit trees like for example citrus and apple, a pistachio tree grown from seed may not bear fruits for the whole of its lifetime. The main reason is you need at least one male and one female pistachio trees for pollination and fruit production.
Step 1: The first and most important step is Seed Selection. Most of the pistachios with shell or without shell what we consume are roasted and salted and these will never germinate. Please do not waste your time on these pistachios. You need Raw and unprocessed pistachios which should be easily available in your local grocery store or you can even purchase online. I have given the link to purchase this in description of the video.
Results: First result at 4 th day and then after 8 days and then 15 days.
Yes we can germinate pistachios available in your kitchen and grow plants out of these.
Step 5: Cold Stratification: This is optional if your climate is too hot. Stratification is a process of treating seeds to simulate natural conditions that the seeds must experience before germination can occur. Many seed species have an embryonic dormancy phase, and generally will not sprout until this dormancy is broken. So, to increase the chances of germination, you can keep the seeds in refrigerator for about 4 weeks and then sow them at room temperature. I have tried with and without stratification and the results were almost same for me. But this process is compulsory for Almond seed germination, I have even experimented this on almond seeds and the almond seeds succeed only after this stratification process in refrigerator for about 50 to 60 days and then bringing them to room temperature for successful germination. You can watch the entire process of how to grow an almond tree from home almonds in my previous video.
Step 3: Soaking these seeds in water for 24 hours. Many receommend 48 hours. I have tried 48 hours too but they split open with too much soaking. So, We need them to just swell up a bit before keeping for the sprouting process.
Step 4: You can take the soaked seeds and use two methods. Toilet paper method or coco peat method. In coco peat or dirt method. You place the soaked seeds on a layer of cocopeat and cover the seeds with cocopeat and place it inside a polythene zip lock bag for germination.
I found better results with the toilet paper method. We will look into this in step 6.
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The first thing we have to do is search for natural fresh harvested pistachios. This may be more difficult than it sounds, because nearly all newly harvested pistachios are transferred to the processing units in less than 20 hours. Keep in mind that most of pistachios we can find in the market are roasted, so these seeds will definitely not sprout. In all cases, we need to find seeds that have not been processed in any way. They must be untreated, unroasted, unheated, and unsalted seeds.
Once we find the natural seeds, we have to select at least 10 of them. All things done correctly, only 50% of the seeds or less will germinate, and only a fraction of those will make it to a small seedling and young tree. We break carefully the shell and we collect the seeds. Then, we place them upon a wet towel and we put the towel in a transparent plastic bag (see image). They key from now on is to place the bag at a room temperature, but next to a window with access to direct sunlight. We have to check once in a week if the towel is wet, and add a small volume of water if needed.
(When done professionally and at a large scale, the plastic bag with seeds is first stored in the fridge for 6 weeks, before returning at a room temperature. However, at small scale, someone can skip this step. Your germination rate will definitely be smaller than a pro (90%), but 3-4 seeds out of 10 will finally germinate, without waiting for 6 more weeks).
Wikifarmer Editorial Team
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As it happens in many fruit trees (citrus, apple etc.) a pistachio tree grown from seed may not bear fruits for the whole of its lifetime for various reasons. Besides, in order to harvest pistachios, we have to plant at the same yard at least one male and one female pistachio tree, so that the pollen can travel through the wind from the male tree to the female tree. But since you want to feel the joy of growing your own tree from seed, let’s get started.
2.) How to grow Pistachio Tree from nut
You can enrich this article by leaving a comment or photo of your pistachio tree growing from seed methods and experiences.
About 3-5 weeks later, some seeds will have normally sprouted. We plant them in individual small pots containing special soil mix (soil with river sand and compost etc.). We have to plant the seeds superficially, at a depth of 1,2 inches (3 cm) and cover lightly with soil. Then, we place the pots at a room temperature, close to a wide window, so that the seedlings will have again access to plenty of sunlight. The most important thing from now on is to keep the pots moist but not soggy. When the seedlings have reached a height of 6 inches (15 cm), we can transplant them at a bigger container.