Tennis flower is also known as tennis amaryllis. Amaryllidaceae tennis flower is a perennial herb. Up to 80-90 cm, flat spherical bulbs, about 7 cm in diameter. The leaves are drawn from short stems above the bulbs, 3-6 pieces. The upper part of the stems are often gathered, elliptic to oblong, up to 30 cm long. The stems are 30-90 cm tall, with the first leaves purplish and green with purplish spots. Umbrella umbellate terminal, flower diameter of about 15 cm, 30-100 flowers, blood red, flowering from May to June.
Tennis flowers are native to South Africa. Sex likes the warm climate, is afraid of hot, afraid of cold, hi of diffuse light, capable of half shade, hi moist. The optimal growth temperature is 16-21°C, and the winter dormancy period should also be 5-10°C. It grows well in well-drained loam and is not suitable for acidic soils. The tennis flower began to sleep around December, and it germinated and flowered in the following year from March to March.
The propagation of tennis flowers mainly uses the ball breeding. In the spring, the sub-balloons surrounding the old bulbs can be cut with a knife. Generally in early February, it must not be late until mid-February and must be carried out before germination. In the event of a cold wave, it is postponed. Otherwise, the newly planted ball is frozen. The sub-balls are planted in small pots. Each pot is usually 1 per pot. When it is first planted, it is dripping with water. After that, it is applied 1-2 times a day. Every 10 days, a thin liquid fertilizer is applied. It is best to use liquid fertilizer rich in scales and potash to promote flower bud growth. And flowering. Set aside half of the shade in summer, put a cool place during flowering, can be appropriate to extend the flowering. In the middle and late November, the leaves began to turn brown, and they gradually entered dormancy. From this time on, until the next March, the basin soil should be dried and the bulbs should not be dug out. The pots should be placed in the room and allowed to sleep. If cultivated in open field, it is necessary to dig bulbs for storage in winter.
In order to delay the flowering of the tennis ball until the National Day, the dormant pots can continue to dry. In the summer, they are put in half shade, and watering is started in late August. The flower buds can be quickly drawn out, and flowers can bloom on the eve of National Day.
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