Late November to early December.

Langshan navel orange is a specialty product of Xinning County, Shaoyang City, Hunan Province, and a national geographical indication of agricultural products.

The Langshan navel orange area belongs to the humid subtropical monsoon climate zone, with mountain climate characteristics. The annual average temperature is 17.6-18.0℃, which is suitable for growing navel oranges. The fruit of Langfeng navel orange is spherical or obovate, with a fruit shape index of 0.99-1.05 and a single fruit weight of 220-296 grams. The color is orange-yellow or orange-red, with medium oil cells and mostly closed navel.

The Newhall navel orange fruit is oval to oblong, larger, with a single fruit weight of 220-305 grams. The fruit surface is smooth, the fruit color is orange-red, and the navel is mostly closed. Navelina (Navelina), the fruit is oval or long obovate, larger, and the single fruit weighs 200-230 grams. The top of the fruit is round and blunt, the base is narrow, and there are often small grooves. The fruit color is orange-red or dark orange, smooth, and the peel is Thinner.

Quality characteristics

The fruit of Langfeng navel orange is spherical or obovate, with a fruit shape index of 0.99-1.05, a single fruit weight of 220-296 grams, an orange-yellow or orange-red color, medium oil cells, mostly Close the navel. Newhall navel orange fruits are oval to long oval, larger, with a single fruit weight of 220-305 grams. The fruit surface is smooth, the fruit color is orange-red, and most of them have a closed navel. Navelina.

The fruit is oval or long-obovate, larger, weighing 200-230 grams per fruit. The top of the fruit is round and blunt, the base is narrow, and there are often small grooves. The color of the fruit is orange-red or dark orange, smooth, and the skin is smooth. Thinner.