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10.11.2023 Quercus acutissima is here :-)

It took a while, but it worked. October harvest 2023 of Quercus acutissima (Japanese chestnut oak, sawn oak, silkworm oak). At last!

This tree grows up to 30 meters high. The leaves, which can grow up to 20 cm long, are striking. This type of oak originates from Japan, China and Korea. Quercus acutissima is now also cultivated in the USA. This species is very rarely found in aroboretums in Central Europe. The tree grows very quickly and is considered to be very temperature tolerant. This oak species prefers to grow on slightly acidic, humus-rich soils.

Further information: https://plants.ces.ncsu.edu/plants/quercus-acutissima/

You can find it in the store here: https://quercus.guru/produkt/quercus-acutissima/

Acorns Climate Warming Resistant
Quercus sinuata var. breviloba

Quercus sinuata var. breviloba is found in the south of the USA and north of Mexico. This species is also known as “Bigelow’s Oak”. This species grows to a height of about 12 meters. and is considered to be extremely resistant to global warming.

More information: https://en.wikipedia.org/wiki/Quercus_sinuata_var._breviloba

Available in the store here: https://quercus.guru/produkt/quercus-sinuata-var-breviloba/.

Acorns City climate suitable Climate Warming Resistant
Quercus faginea (Portuguese oak, Zen oak)

Quercus faginea (Portuguese oak, Zen oak) can reach growth heights of up to 20 meters and trunk diameters of up to 80 cm. The maximum age is 600 years.

Pollination of this species of oak is carried out by the wind. Quercus faginae is often found in Portugal, Spain as well as northwestern Africa. It also grows very frequently in the Balearic Islands.

The wood is often used as firewood or tree wood. The acorns are popular in the Iberian Peninsula for fattening pigs.

It is interesting that the leaves change color after the growing season, but do not fall off the tree. This happens only when the leaves sprout in the following year.

Quercus faginea likes calcareous soils. They often grow together in communities with cork oak, Pyrenean oak and holm oak. It is resistant to the climatic stresses of cold, drought and thermal contrasts.

Some interesting pictures of this oak species can be found here: http://www.mittelmeerflora.de/Zweikeim/Fagaceae/querc_faginea.htm

Acorns City climate suitable Climate Warming Resistant
Quercus pyrenaica (Pyrenean oak)

Quercus pyrenaica (Pyrenean Oak) is found especially in western southern Europe. It is common in Spain and Portugal. They can also be seen regularly in western France and Morocco.

Although it is called “Pyrenean Oak” it is rarely found in the Pyrenees.

It often grows in shrub form, but can also reach heights of up to 20 meters.

The very large leaves (up to 15 cm long and 9 cm wide) are striking. The leaves have yellow-gray felt-like hairs on both sides.

Dryness she tolerates very well. It also feels quite comfortable on acidic soils. Lime likes them very much. It also accepts sandy soils. It is resistant to frost and also tolerates road salt. Their wind resistance is also good. Since it does not tolerate paving, it is conditionally suitable as an urban tree. However, their resistance to pollutants is quite good. In Central Europe they are always found in parks or arboretums. It also tolerates wetness.

The southern European flair that it exudes is impressive. People who love vacations in Portugal or Spain, appreciate this tree very much. It likes locations flooded with light.

This very beautiful species can be purchased in acorn form here: https://quercus.guru/produkt/quercus-pyrenaica-pyrenaeen-eiche/

See also: https://de.wikipedia.org/wiki/Pyren%C3%A4en-Eiche

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