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With a refreshing aroma and a honey-like sweetness on the tip of the tongue, anyone who tastes this orange once will never forget it. We are referring to the Xa Đoai orange sapling (cây giống cam Vinh), a famously delicious specialty of the Nghe An region.
When people think of Nghe An, they often associate it with famous local specialties such as Nam Dan soy sauce, Do Luong rice paper, bitter bamboo shoots, and Xa Đoai oranges. Indeed, omitting the flavor of this specialty orange would be a major oversight when discussing the Nghe An region.
The orange's name is tied to Xa Đoai commune, Nghi Loc district, Nghe An province. This distinctively sweet and delicious variety has been cultivated here for a long time. Many share that only this Xa Đoai region can grow oranges with such a uniquely exquisite flavor.
The Xa Đoai orange boasts a striking appearance. The fruits are large, round, plump, and display a vibrant, radiant golden hue. The outer rind is thin, and even a slight scratch releases a distinct, special fragrance. When sliced in half, the inside reveals a golden, honey-like aroma that ensures anyone who tastes it once will never forget it.
Thanks to locals preserving this precious seed source, Xa Đoai orange trees grow and develop quite well. The trees are drought-tolerant and can be cultivated on various soil types, including coastal sandy loam. The variety exhibits wide adaptability and is therefore being widely planted in many parts of the country.
Xa Đoai oranges are typically harvested around November and December towards the end of the year, making them popular as Tet gifts or for display on ancestral altars due to their beauty.
To ensure the trees grow best and bear heavy fruit, the first step is selecting good planting stock. Young plants must be propagated from standard-conforming mother trees. Xa Đoai orange saplings must reach a height of 50 cm or more with lush, green, healthy foliage. Choose a reputable establishment for your saplings. Propagation can also be done via air-layering to select even better young plants.
The most suitable soil for Xa Đoai orange growth is nutrient-rich soil or well-draining sandy loam. They should be planted on elevated ground because the trees cannot tolerate waterlogging.
Before planting, prepare the soil thoroughly by clearing brush and leveling the beds evenly. Apply a sufficient amount of basal fertilizer into the planting pits and cover with soil. The pits should measure about 0.7 to 1 meter in width and depth.
After soil preparation and basal fertilization, dig a small hole right in the center just matching the size of the sapling's root ball. Plant the sapling straight, pack the soil firmly around the base to keep it upright and prevent leaning. Immediately after planting, water the plant and arrange decomposed straw around the base to prevent pest intrusion.
During the initial planting stage, ensure an adequate water supply to encourage new roots to penetrate deeply into the soil. After about 3 months, adjust the watering volume according to your regional climate to support optimal growth and development. About 1 month before the Xa Đoai orange harvest, suspend watering.
Depending on soil nutrients, periodically supplement the trees with well-rotted organic manure and NPK fertilizer according to the dosage rates specified on the manufacturer's packaging.
Xa Đoai oranges are a fruit-bearing variety harvested from October through the end of the second lunar month annually. Each finished fruit weighs about 0.5 kg and holds very high economic value. When cultivated using proper techniques, a single tree can yield up to 90 fruits per year.
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