Greetings
We are
preparing for Our Oak Planting Project !!!
I am beginning to prepare for this year’s project of growing trees directly from seed, especially oak trees from acorns.
Today I visited one of my favorite oak trees nearby. It is an evergreen oak,
Quercus calliprinos, sometimes referred to as the Palestine oak. It is a beautiful old tree near the center of the village, close to our farm. It grows beside an old stone house, and we are fortunate that somehow, over all these years, it escaped the axe.
In the past, many trees in these villages were cut for firewood, for cooking, or to make charcoal that could be sold. I also suspect that at one time the people living here may have collected and eaten the acorns. This particular tree produces very large acorns. Acorns are edible if they are properly processed to remove the bitterness and tannins, and they can be ground into flour. They are also an important source of food for animals such as goats, sheep and pigs.
Many of the young evergreen oaks that we now have growing around Thessaloniki came from acorns collected from this particular tree.
The acorns are not ready yet. I think they probably need another month or so, but I will continue checking them periodically.
One of the simplest ways to know when an acorn is mature is to see how easily it separates from its cup. When the acorns are ready, they will begin falling naturally, and those still on the tree should come away from the cup very easily when touched. If you have to pull or pry an acorn out of its cup, it is probably too early to collect it.
From there, I traveled to another nearby village. Outside the village church there is another old evergreen oak. This tree is somewhat different. It produces smaller acorns, and its leaves have more pronounced spines along their edges.
I plan to collect some acorns from this tree as well. I don't want all of our future oak trees to originate from a single parent tree. We want diversity, so I am looking for healthy, mature trees in different locations and collecting acorns from several of them.
I then continued to another village. In the village square, the municipality planted what I believe are about ten
holm oaks, Quercus ilex. Their acorns mature considerably later. I normally begin collecting them around the middle of December, and they can continue maturing well into January.
This is actually useful for our project because it extends the acorn-collecting season.
Something important we have learned is that acorns do not all mature at the same time. The timing depends on the species, the individual tree, the location, the elevation and the local climate.
In southern Greece, particularly at lower elevations, some acorns may already be mature at a time when the same species farther north or at a higher elevation may still need several more weeks. Even within the same general area, moving to a higher elevation can change the time when the acorns are ready.
So we shouldn't collect acorns simply because the calendar tells us it is time. We need to observe the trees themselves.
And finally, we try to collect our acorns from healthy, strong, mature trees. These acorns will become the next generation of oaks, and we want to give those young trees the best possible opportunity to survive, adapt and eventually thrive on their own.
Our objective is simple: collect good acorns from a diverse group of healthy trees, plant them directly in suitable places, learn from the results, and gradually develop a practical and economical way of restoring oak trees to the landscape.
Kostas