1, planting methods and ordinary fennel similar to the soil requirements are not strict, the same is like a cool climate, the average temperature of 10 ~ 22 ℃ conditions grow well.

2, sowing: before sowing the seeds first soaked overnight, wash, and then put on a wet towel in the environment of about 20 to 25 ℃ germination, buds out can be sown. Of course, you can also direct seeding, the seedlings will be slower. Sowing take furrow sowing method, turn over the ground, level the bed, make a small furrow, water, sprinkle seeds, cover.

3, inter-seedling: bulb fennel seedlings, it is necessary to give it a number of inter-seedling, because it is rooted to grow round ball, so you must leave enough space to. At the beginning of the seedling hours, seedling spacing can be denser, spaced 2 to 3 centimeters, with the growth of seedlings, and constantly give it seedlings, pulling out the weak seedlings, leaving the strong seedlings, the last plant spacing to 30 centimeters is appropriate.

4, fertilizer management: bulb fennel in the seedling period, watering see wet and dry, when the bulb began to expand, it should be appropriate to water more to prevent drought caused by ball cracking, and watering at the same time, wash some of the fragrance oil residue fertilizer, to promote the growth of the bulb.

5, harvest: when the bulb grows to a diameter of 6 cm or so can be harvested, with a quick knife in close to the bottom of the first leaf base cut, the incision should be one or two centimeters above the ground. If planted in a greenhouse in the fall or winter, it can continue to grow a second crop. The second crop is usually harvested at the end of April and beginning of May of the following year.