Po' Petroso Olive Oil

" We always try to do our best "


Frequently Asked Questions



As a matter of curiosity can you let me know what is live span of olive trees and how long they can produce olives ?
- Theoretically olive trees are immortal. There are many millenarian olive trees in Spain, North Africa (Tunisia, Libya, Lebanon, Syria) and South Italy planted by Romans. They are still alive. The situation is different in the rest of the world where the weather is colder. As you know, once or twice a century, we must register a weather disaster. In these circumstances olive trees look completely frozen but they grew as new scions from the roots which did not die at all. They are still producing fruits.



Glue

What then is the yield of oil per the weight of olives collected?
- When you consult books yield is generally estimated in 20/24 % but it very seldom happens


Glue

I saw in the Greek/Italian suburban gardens mature olive trees which had their trunks painted in what appeared to be a white lime wash, presumably as some pest management. I have also seen this in parts of Europe. Can you tell me what this mixture is and from what is it protecting the tree?
- Some farmers probably use lime to prevent bacterium


Glue

I would like to know if there is a fragrance to the olive groves, either of the olives themselves or of the leaves.

- I'm sorry but there is no fragrance to the olive groves, either of the olives themselves or of the the leaves or of the flowers. By the way, strange but true: many people never saw olive tree flowers. It happens on may and ...what a sight ! I got some pictures with my digital cam using macro.
Anyway at harvesting time (from November to January in Italy, from October in Egypt) the air becomes impregnated of the fragrance of the olive oil, a strong, pleasint, sweet and acrid smell. To have a better idea you should pour some oil in a pan and inhale deeply to notice the intensity of its bouquet.

In the same period a strong acrid smell expands everywhere from pomace (sansa) e from vegetable waters near the mills.

Glue

I would like to know how much water a mature olive tree needs per day.
- A mature olive tree has developed enough its roots and get by itself the water it need even in the dry lands. Just by the humidity of the air or by the night frost. You can see very healthy olive trees in many areas of Spain, Italy and north Africa. They grow without watering and fruit well.


Glue

Trying to find out percentage of water to oil in olives?

Here is the answer to your question:
- pomace 45%
- oil 15%
- water 40%

Glue

A friend of mine told me that she buys only organic olive oil because she is afraid of eating pesticides. I told her that there are not many pesticides used on olives in general because they grow in such a dry climate where pests don't grow easily. So she needn't worry about eating non-organic olive oil.
- It should be so. But you know, as business is business, many farmers use chemical herbicides and fertilizers; they are cheaper than organic ones and easier to work. Moreover many farmers use various physical and chemicals aids to increase the efficiency of olive oil extraction.


Glue

My mother-in-law last year brought back 2 olive plants from a holiday in Italy.One she kept and the other gave to me. Mine came with around 5 olives already on it. We repotted it and over the winter kept it indoors and this summer put it outside. It looks very healthy, has grown around 40 cm but it never produced any fruit. I can't seem to find and reference as to why there is no fruit. Do you need more than 1 tree to cross-fertilize?
- it often happens that when you buy an olive tree it has some fruits on even if it is 1 or 2 years old. It is a good sign. But always happens that no fruits are in the following years. Why ? When the tree was in the nursery it had special fertilizers you don't have; when it was in the nursery there were hundred/thousand pollinators you don't have; they need time to acclimatize to a different atmosphere. So I think it's just a matter of time.

Glue

I have two olive plants and I haven't planted them outside yet as I am in a flat. Will be moving to a house with a garden in October and would like to know if I can keep them in pots. The frost sets in, should I bring them inside?
- Olive tree can easily leave in a pot instead of being transplanted. It's a very resistant to frost (until 10°Celsius) so you don't necessarily need to bring it inside.
Anyway I suggest you to transplant them in a bigger pot with all its original earth to consent a good developing of their roots.


scrivano...... to be continued