Finally, I could convince myself to get some pistachio seeds on Ebay. One might ask – why don’t you just buy them at the supermarket? – Easy: because those are always roasted and half of them even salted, so they won’t germinate. They were offered as “Persian Pistachios”, which basically means that they’re from Iran. Iran is the largest exporter of pistachios, as far as I know.
So, those are not actually Mediterranean, but pistachios are grown in Sicily, and that’s my excuse.
So I ordered 10, but actually got 12, which is always nice. I read about how to get them to germinate and just followed the instruction: Soak them in water of room temperature for 16 hours. I might have soaked them for 20 hours and the colour of their shell did actually change, as you might be able to see in the pictures:
As you can see, I used an empty ice cream container. They are very useful and it gives me yet another reason to buy ice cream.
After they had soaked, I put them in the remaining vermiculite and covered them up. I only used five of the seeds so far, in case they all germinate (they probably won’t), I won’t get too many.
There’s only as much water in the box as the pistachios had on them.
I also got new plant labels, of which I taped one to the box. Because I have other projects in other ice cream boxes and I will have forgotten which is which after a couple of weeks.
In the article about pistachio germination, I found the information that soaking the seeds in solution of 1 percent potassium nitrate might help the germination rate. I want to try that with cheaper seeds first. I still have seven pistachio seeds left for later trials.