How long does it take for pine nuts to bear fruit after planting? Latest answer

Pine nuts are the seeds of plants in the Pinaceae family, the common one being the Korean pine (Pinus koraiensis). Pine nuts are nutrient-rich nuts and also used in traditional Chinese medicine. At present, the main types in China are Brazilian pine nuts, Northeast pine nuts, and Luoshui pine nuts from the Southwest. If you plant a sapling that can produce pine nuts, how many years after planting will it bear pine nuts? This timeframe actually also determines the cost of artificial cultivation. So let me introduce it for friends who want to know.

1. Time to bear fruit

Generally, when a Korean pine is grown naturally, the wait for it to bear fruit can be said to be especially long. It usually takes more than 25 years before it can produce seeds, and even a grafted tree still needs about 12 years to produce seeds. Even the other pine trees that produce pine nuts also take a very long time to produce seeds, so unless it is a natural place of origin that already has a long history of growth, the time cost of artificial cultivation is too high.

2. Seedling planting

Although the time to produce pine nuts is very long, this does not prevent people from planting pine trees for other uses, for example, they can be used for ornamental landscape purposes. Plant landscaping is also possible. Choose the land for raising seedlings. It needs fine, fertile soil that retains moisture and drains well. Disinfect and germinate the seeds before sowing. Disinfect the seedbed and disinfect the tools, as they are prone to infection by pathogens. Sowing should be done at a certain spacing, and the seedlings that grow will be relatively large.

3. Planting management

Because pine trees take a very long time to grow, management and maintenance require long-term patience. Generally, you need to regularly prune old leaves or dead leaves, and also clean up some old bark that will fall off. This allows nutrients to be concentrated for growth. Pine nut trees are often harmed by aphids, and people fear aphid damage, because aphids mainly damage the roots of pine nut trees and also gnaw on the leaves. Damage to the root system is relatively serious for pine nut trees, so this is a key management task. Emulsifiable concentrate has a pungent odor and can isolate aphids. Applying it to the trunk is effective for prevention and control.

4. Main producing areas

Northeast pine nuts are mainly the seeds produced by the Korean pine, which is a valuable tree species, mainly growing in the very good environment of the Changbai Mountains and the Lesser Khingan Mountains. Wild Korean pines grow in this area, and wild ones take even longer to produce seeds. The Korean region near the Changbai Mountains also produces them, and some areas of Russia produce them too. The Greater Khingan Mountains also produce the pine seeds of the dwarf Siberian pine (Pinus pumila), which taste a bit more fragrant than Korean pine nuts. Yunnan and other southwestern regions also produce Luoshui pine nuts.

At present, pine nuts are a very expensive and precious nut, and generally the time to bear fruit after planting is relatively long, taking quite a long time. Wild pine trees take even longer to produce seeds, so pine nuts are all the more precious. But for the people in the producing areas, they may also be commonplace.