How to plant peony flower culture methods and matters needing attention

Soil: it is appropriate to choose sandy soil with good drainage, fertile and loose, and it is recommended to disinfect it with carbendazim or methyl topiramate before planting. Watering: loosen the soil after once watering outside in spring to keep the soil moist and prevent waterlogging on rainy days in summer. Fertilization: the newly planted peony is fertilized half a year later, usually applying fertilizer three times a year. Pruning: leave branches and buds in spring, cut off branches that grow thin, infected by diseases and insect pests, and cut off residual flowers in summer.

Peony flowers have been widely praised since ancient times, and have been widely cultivated at home, and have long been introduced abroad. Peony flowers are colorful, elegant, magnificent and varied. It has the reputation of "king of flowers". So, how to plant peonies? What do you need to pay attention to in the planting process?

First, how to plant peony flowers

1. Sowing: peony seeds are harvested in time after maturing in early August, and sown immediately. If you sow too late, the seeds should not germinate in spring. Sowing peony does not blossom until 5-6 years, so this method is generally only used when cultivating new varieties.

2. Ramet: dig out the large peony plants that have been growing for more than five years, leave them in a cool place for 2-3 days, divide them into 2-3 branches when the roots become soft, and plant them in the nursery.

3. Grafting: cut the soil buds or annual short branches of the large tree peony and cut its 2-3cm into a wedge-shaped and embedded on the long peony root of 15-20cm, wrap it with hemp, and plant it with mud. The grafting time is from the first ten days of September to the first ten days of October. The grafted seedlings should be planted in trenches, the plant spacing is 10-15cm, the row spacing is 30-40cm, and the soil ridge is cultivated after planting, so that the scion is not exposed.

II. Planting methods and matters needing attention of peony flowers

I. soil requirements

1. Generally choose sandy soil with good drainage, fertile and loose. Soil distribution methods are: rotten leaf soil, pastoral soil, fine river sand.

2. Before planting, use after disinfecting with carbendazim or methyl thiophanate solution.

Second, watering method

1. In spring, after moving outside, water is watered once, and the soil is loosened after being thoroughly watered, and then the soil is kept moist.

2. According to the size of the pot soil, the watering frequency of the smaller flowerpot should be increased appropriately. The stagnant water in the basin should be poured out in time when it is cloudy and rainy in summer.

III. Fertilization methods

1. Pay attention to the timing of fertilization. Fertilization of newly planted peonies is prohibited within half a year and begins half a year later.

2. In general, fertilizer should be applied three times a year. The first time is pre-flowering fertilizer, the soil is thawed and the leaves are extended, and the second post-anthesis fertilizer is applied within half a month after the flower fade. The third time is for winter fertilizer, which is applied before the beginning of winter.

4. Pruning methods

The pruning of peony is divided into winter and spring and summer.

1. In spring, we should choose to leave branches and buds, erase the excess branches and buds, and cut off the branches that grow thin, infected by diseases and insect pests.

2. Cut off the remaining flowers after the summer flowers fall. Cut off diseased, withered and long branches at the end of autumn.

Temperature and light requirements

1. Sufficient light is very beneficial to the growth of peony flowers, but it should not be exposed to the hot sun for a long time.

2. The suitable growth temperature is 25 ~ 25 ℃, and the plants above 25 ℃ are dormant. Plants should be ventilated in time before flowering.

3. Main points of peony pruning

1. Early spring pruning

In early spring, the peony will wake up from dormancy and gradually transition to the growing period. at this time, check the buds on the branches and keep only 2 or 3 buds at the top to remove the rest. In addition, check whether the rhizome is sprouting and dig it out in time.

2. Prune the flowers after fade

After flowering, peony petals and withered leaves should be removed. When the flower bud differentiation is more obvious, only the buds on both sides of the branches are retained, and all the buds at the top are cut off.

3. Pruning before winter

All the overlapping branches, cross branches, disease and insect branches on the plant can be cut off, and the thin branches can be cut short and the long branches can be cut short.

4. the solution to the yellowing of peony leaves.

1. Water yellow: water should be controlled immediately and water should be added properly.

2. Dry and yellow: watering in time.

3. Soil partial alkali causes peony leaves: 0.2% to 0.3% ferrous sulfate solution can be used to spray the leaves for 3 to 5 times, the concentration should not be too high, and should be used with.

4. Fat yellow: fertilizer, ploughing and watering should be controlled.

5, lack of fat yellow: for flowers that lack fertilizer, do not apply a large amount of thick fertilizer at one time, so as not to cause root burning.

6. Rotten roots: maintain the permeability of the soil and take good drainage measures.

7. Diseases and insect pests: timely inspection and rapid application of pesticides to control underground pests.

Liu Yuxi, a poet of the Tang Dynasty, said in a poem: "the peony demon in front of the court is without style, and the lotus on the pool is pure and affectionate." Only the peony is really national, and it moves the capital when the flowers are in bloom. " . Thus it can be seen that peony plays an important role in the hearts of writers and writers, and it is also a unique woody and precious flower in China.