2, peaches; Choose varieties with strong resistance, many fruits and beautiful fruit shapes, such as Zaoxiangyu, Elaeagnus angustifolia, Cangfang Jujube, Shouxing Peach and Red Peach.

3. Apple: Dwarf the tree with dwarfing rootstock or dwarfing intermediate rootstock, or control the growth and artistic modeling in the growing season with short-branched varieties, and control the tree within a certain range to make it bear fruit every year and form flower buds in the next year.

4. Pomegranate: Choose pomegranate for flowers and pomegranate for fruits.

5. Citrus: Choose Four Seasons Orange, Sweet Orange, Satsuma Mandarin, Bergamot, etc. The seedlings are required to be strong, short, full of branches and beautiful in appearance. The northern region should be moved indoors or in greenhouses in winter. ?

Extended data:

The bonsai of fruit trees in the north prefers sunshine, which needs sufficient light during the growing period, and family maintenance is mostly placed under the balcony or window. The water demand of fruit tree bonsai is greater than that of flowers, especially in high temperature season. Pay attention to watering when it is dry, 1-2 times a day. Fruit bonsai should be ventilated in family maintenance, and it is advisable to keep ventilation for 2-3 hours every day.

Plastic surgery: according to personal hobbies, the whole, pull and plate can be used (before germination in spring). Pruning: It is best to cut the flower buds when they are just exposed, cut them under the flowers, and leave the head and shape.

Baidu encyclopedia-potted fruit trees