The fruit maturity of walnut varies with climatic conditions and varieties, and the maturity difference between early-maturing varieties and late-maturing varieties is generally around 10 to 25 days. Generally speaking, the maturity of the northern region is mostly from early September to mid-September, and the southern region will be relatively early, around July.

Walnut, also known as walnut and peach, belongs to Juglandaceae. Together with almonds, cashews and hazelnuts, it is known as the world-famous "four dried fruits". Walnut kernel is rich in nutrition, with more fat and carbohydrate per 100g protein 15 ~ 20g. It is one of the nut foods deeply loved by ordinary people.

Hu Taohua is generally white, and its flower language is "rationality and strategy." There is a folk poem: "Walnut trees are quaint, with dead skin and thick leaves." This poem praises the perseverance of walnuts.

Types of walnuts

At present, the best-selling walnuts on the market are mainly paper-skinned walnuts, pecans and pecans, all of which have similar nutritional values, mainly due to different origins.

Paper-coated walnut: Paper-coated walnut is named because of its thin skin and easy to take whole grains. Mainly distributed in Xinjiang and Yunnan, among which Aksu products in Xinjiang are the best. Its skin is thin and fleshy, and two walnuts are in your hand. Squeeze it a little hard and the walnut skin will break.

Carya cathayensis: Carya cathayensis, also known as small walnut, is mainly produced in Tianmu Mountain area at the junction of Zhejiang and Anhui in China. Among them, Carya cathayensis in Lin 'an is the most famous, which is popular because of its large grain, thin shell, full kernel, crisp and delicious.

Carya cathayensis: Also known as "Carya cathayensis", it originated in the United States and northern Mexico, and then gradually distributed all over the world. Its shell is thin and kind, crispy and delicious, but its nutritional value is still not as good as that of hickory.

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