How to raise purple jasmine
Mirabilis can be spring sowing reproduction, but also self-propagation, usually with seed reproduction. The seeds can be sown in the open field in the middle and late April. The germination temperature is 15~20 ℃, and it takes seven or eight days to germinate. Because belong to deep root sex flower, unfavorable transplant after sowing on open field seedbed. If conditions permit, sow in advance into a tube pot with an inner diameter of 10 cm. After seedling formation, take off the pot and plant.
Mirabilis jalapa is propagated by seeds. It is advisable to sow seedlings in March to April. When seedlings grow 2 to 4 leaves, planting is appropriate, and the plant spacing is 50 to 80 cm. Pay attention to shade after transplantation. Purple jasmine extensive management, easy to grow, pay attention to appropriate fertilization, watering can be. Mirabilis jalapa is a wind-pollinated flower. Different varieties are easy to cross. If you want to keep the characteristics of varieties, you should isolate cultivation.
In the north, the aboveground part can be cut off and the perennial roots dug up in late autumn, buried in the flowerpot with tidal soil and put in a low greenhouse for wintering. Continue to cultivate in the open field in the spring of next year, grow plants quickly and bloom early. Although the growth of perennial root plants is not as vigorous as that of seedlings, its root tuber expands year by year, and it can grow into a brown block with a diameter of about 10 cm for 3 consecutive years. The pale skin is wrinkled and hard. In spring, 1/3 of the lower part of the root tuber can be planted into shallow pots, and the upper part of the root tuber is bare, gradually stemmed to adapt to the external environment. And according to the shape of inspiration, constitute natural rock bonsai. One or two new branches bloom and bear fruit every spring. After autumn, cut off the branches, put the root tuber into the original pot, keep the pot soil slightly damp and collect well. It can be cultivated continuously for several + years. The older the root tuber, the more simple and vigorous it appears. It has special charm.
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