Commonly used for sub-ball and seed propagation.Breeding by spheroidAfter a season of growth, the cue ball planted in the same year can produce 1-2 large bulbs and 3-5 small bulbs around it at the same time. It can be planted separately according to the size of the bulbs. After the large bulbs are planted, they can bloom in the same year, and the small bulbs can also bloom after 1-2 years of cultivation.sow propagationThe sowing and propagation of tulips are mostly used to cultivate new varieties. The seeds were harvested before the capsules matured and cracked, and were sown in indoor pots until October. Keep moist and germinate in spring the following year. Blooms in about 3-4 years.