1. Sowing is generally carried out in late July, and it can bloom in Spring Festival, about half a year from sowing to flowering.
2. Cuttage is also available. From January to June, cut the axillary buds after the root germination or flowers as the cuttings, and insert them in the sand. It can take root in about 20-30 days and bloom in 5-6 months. It can also be propagated in shoots.
Maintenance points:
Water: keep the pot soil slightly moist, and water it thoroughly. But avoid poor drainage.
Fertilizer: apply thin fertilizer in the growing period, and pay attention not to splash fertilizer on the leaf surface. After applying fertilizer, wash it in time, and stop applying fertilizer in the flowering period.
Temperature: avoid hot, the suitable temperature for growth is 10-20 ℃, and the temperature can be further reduced in the flowering period, so as to prolong the flowering period, and the seedlings can withstand the low temperature of 1 ℃.
Light: in the growing period, it should be placed in a greenhouse with good light. After flowering, it should be placed indoors for appreciation. Every day, it should be placed at least in front of the bright south, West and East windows to receive 4 hours of light. Only in this way can the flowers and plants remain bright and healthy. In the cultivation, we should often change the direction of the pot to make the corolla regular.
From September to October, the seeds are sown in the pre arranged seedbed, and the germination temperature is suitable for 20 ~ C. because the seeds are very small, the soil in the seedbed must be fine. After sowing, the soil will not be covered, the grass will be kept moist, and the cover will be uncovered after emergence.
Can also be planted in spring, that is, in early spring when the land thaw sowing, more use of drill.
Maintenance points:
Water: the principle of "see dry and see wet" should be mastered when watering. When just planted, control watering to promote the growth of root system. After budding, provide sufficient water to keep the soil moist.
Fertilizer: 1-2 times of thin liquid fertilizer should be applied before flowering, and 0.1% potassium dihydrogen phosphate solution should be sprayed on the leaves every 3 days after budding to accelerate flowering. Cut off the withered flowers in time to make the remaining flowers bloom better.
Temperature: like cool, avoid high temperature, warm in winter and cool in summer is the best way to grow. The suitable growth temperature is 12-20 ℃.
Light: sufficient light is required during the growth period, with at least 4 hours of direct sunlight per day. If the growth environment is dark, the light is insufficient, the plant growth is thin and weak, and the flower color is dim
1. Sowing at the end of the month can reach the full bloom period in July.
2. Cutting can be carried out in April to July under the condition of 15-20 ℃. Cut the slightly hardened new shoots into about 6cm cuttings, and then insert them into the sand bed or open seedbed in the greenhouse.
Maintenance points:
Humidity: the relative humidity of air must be kept at 75-85% after cutting. Spray can be used to increase the humidity by 1~3 times a day. The higher the temperature is, the higher the temperature is. The lower the temperature is, the less the spray will be. Avoid excessive spray.
Fertilizer and water: like other grass flowers, it requires more fertilizer and water, but it is required to follow the fertilization (water) principle of "light fertilizer, frequent application, less time and more nutrition", and keep the leaves and flowers dry at night after fertilization.
Temperature: like warm climate, avoid extreme heat, the most suitable growth temperature is 15 ~ 25 ℃.
Light: spring, summer, autumn and three seasons need to be maintained under the condition of shade.
The seeds should be sown in spring from March to April. Because the seeds germinate in order, the sowing density should be small and covered with soil 0.2cm after sowing. Sprout at 15 ℃ for 7-10 days, and apply fertilizer between seedlings after emergence. Two or three leaves can be transplanted.
Maintenance points:
Water: it can withstand drought, but it will grow better if it is given higher air humidity. Water every day in midsummer and water thoroughly. Like higher air humidity, air humidity is too low, will accelerate single flower withering. Also afraid of rain, need to keep the leaves dry at night. The optimum relative humidity of air is 65-75%.
Fertilizer: thin fertilizer is applied once in the initial planting. In the middle stage of growth, fertilization should be controlled to keep the plant shape moderate and beautiful. After fertilization, keep leaves and flowers dry at night.
Temperature: the suitable temperature is 20-32 ℃.
Light: like warm sunshine, heat resistance, a little resistance to half shade, not cold
The best way to propagate chrysanthemum is cutting. In May June, select the young shoots which are about 5-6cm long, remove 2-3 leaves from the stem, and then cut the young shoots into the seedling bed, the depth is 1 /2 of the length of the young shoots. After planting, keep the soil moist, spray the new high fat film, reduce the evaporation of water, prevent the infection of bacteria, and use the sunscreen to shade, and survive for about half a month.
Maintenance points:
Water: in spring, chrysanthemum seedlings are young and should be watered less; in summer, chrysanthemum seedlings grow up, the weather is hot, the evaporation is large, and the watering should be sufficient; after autumn, before flowering, the watering should be increased; in winter, the growth of flowers and branches basically stops, the water consumption of plants is significantly reduced, and the evaporation is small, so the watering must be strictly controlled. It's better to spray water slowly with a spray kettle instead of using water violently. Generally, when watering flowers, you should see that the basin soil is dried and then poured. If it is not dried, it will be poured through.
Fertilizer: when the chrysanthemum plants are planted, sufficient base fertilizer should be applied in the basin. After that, nitrogen fertilizer can be applied every 10 days. After the beginning of autumn, from the time when the chrysanthemum is pregnant to the time when it is budding, the fertilizer can be applied once a week. When the chrysanthemum is in bud, the fertilizer will be suspended after the fertilizer is applied again. If the chrysanthemum can be treated with superphosphate or 0.1% potassium dihydrogen phosphate solution at this time, the flowers will bloom more brightly.
Temperature: like cool, more cold, growth temperature 18-21 ℃, maximum 32 ℃, minimum 10 ℃.
Light: like to have plenty of sunshine, but also a little shade.
If you want to bloom on New Year's day, you only need to treat the seed ball at low temperature (13-15 ℃) for about 1 week in July August, break its dormancy state, and keep it at 15-20 ℃ after planting.
If you want to bloom during the Spring Festival, as long as the first month before the Spring Festival, make it in 18 - 20 ℃ under the condition of urging flowers, you can also fully meet the requirements.
Maintenance points:
Water: at the initial stage of growth, watering should not be too much. Generally, watering should be done once a week. When pumping flower stems, watering should be sufficient, but the basin soil should not accumulate water, otherwise it is easy to rot.
Fertilizer: when the plant grows 3-4 leaves, it begins to enter the flower bud differentiation stage. Thin bean cake water or other phosphorus and potassium fertilizers should be applied every 10-15 days, and the number of light hours (only 10 hours of light per day) should be shortened to facilitate flower bud differentiation. During flower bud differentiation, the basin soil was kept moist, and phosphate fertilizer and potassium fertilizer were applied 2-3 times. Stop applying fertilizer when flowers and plants appear.
Temperature: the suitable temperature for growth is 18-20 ℃ in the daytime, 14-16 ℃ in the night, and 6-7 ℃ in the winter.
Light: Freesia is a light loving plant, so it requires sufficient light, but it is easy to grow in vain under strong light and high temperature. The flower bud formation of Freesia is completed under the condition of short sunshine, and the long sunshine after the flower bud formation can promote the flowering.
