Red heart grapefruit has higher heat requirements, and the planting area requires an annual average temperature of 18 ° C or more. It can be planted at an accumulated temperature of more than 6000 °C above 10 °C, and can produce high-quality fruits above 7000 °C. It is colder than lemon and has an extreme minimum temperature of about -10 °C. It is not possible to plant a place where -8 °C may occur depending on the personnel who planted the variety. Therefore, planting at a moderate temperature or using greenhouse cultivation can reduce the impact of temperature on its growth. In addition to strict temperature requirements, red grapefruit has strong adaptability in other aspects. (1) Soil: The requirements are not strict, but the soil is loose, deep and fertile, and the neutral to slightly acidic soil is most suitable; (2) Rainfall: the demand is not much, the annual rainfall is more than 1000mm, regardless of whether the weather is wet or dry. Can be planted; (3) Illumination: Both glare and multi-yang weather can grow well.

Red Grape Grapefruit is extremely rich in vitamin C, which promotes antibody production and enhances the body's detoxification function. The natural folic acid can also prevent anemia and reduce the chance of pregnant women having a teratogenicity. For girls who love beauty, the vitamin P contained in grapefruit can enhance skin elasticity and reduce pores. Grapefruit has a variety of ways to eat, in addition to when the fruit is eaten, it can also be squeezed into a salad with salad and cold dish; add a little bit of seafood to remove the astringency. Grapefruit contains cellulose, pectin, potassium, vitamin C, folic acid, inositol, bioflavonoids, limonene, etc., and is a good source. Fresh grapefruit contains low calories and averages only 82 kilocalories per grapefruit, making it one of the good fruits for weight loss. Grapefruit contains precious natural vitamin P and rich vitamin C and soluble cellulose, which are fruits with less sugar. Vitamin P can enhance the function of the skin and pores, which is good for skin care and beauty. Vitamin C can participate in the synthesis of human collagen and promote the production of antibodies to enhance the detoxification function of the body. Diet menus for the dieters are indispensable.