Monthly management of oleander

Families and genera: oleander family, oleander genus.

Scientific name: Neriumindicum.

Alias: Willow leaf peach, half a year red

Habits: oleander is native to Iran, India and Afghanistan, is an evergreen shrub and small tree, like warm and humid climate. It can survive the winter in the warm temperate zone and in the leeward and sunny part of the courtyard in Beijing. Strong in sex, strong in resistance to smoke, dust and toxic gases. Like the sunny environment. Like fat, afraid of stagnant water. It has strong adaptability to soil, can withstand alkali, and is suitable for sandy loam.

January: to do a good job of cold prevention, branches should be tied up and supported to prevent snow from breaking, and snow should be removed in time after snow.

February: transplanting should be carried out in spring, base fertilizer should be applied in the planting hole, and water should be watered thoroughly for the first time after planting. Soil balls are needed for transplanting in other seasons, and leaves should be cut properly in summer to reduce foliar evaporation. In frozen places, short pruning should be carried out before germination, and sprouts should be wiped to facilitate the restoration of tree potential. Shaping and pruning, generally, each trunk retains 3 main branches, each leaving 3 branches, so that the crown of "three branches and nine tops" will be formed in the future.

March: cuttage propagation, cut 15-20 cm long branches, every 20 into a bundle, immersed in 20 ℃ of water, into the water 1 beat 3 places, change water frequently, 7-10 days later, some branches turn white, when the top begins to sticky, take out and insert in the seedling bed. It can also be soaked in water for 30-40 days. After rooting, it can be taken out and inserted in the sand bed. It can take root in about 1 month. Topdressing liquid fertilizer once is beneficial to growth and flowering.

April: the plant begins to blossom until October. Pay attention to weeding, disease and pest control.

May: cut off the blooming flowers in time to avoid wasting nutrients.

June: striping propagation is carried out in the rainy season, select more than one-year-old plants with more branches as the female parent, select annual branches with a diameter of more than 0.8 cm, remove leaves at 33 cm from the top, twist the skin, fold into a "8" shape, press into the soil, a depth of about 10 cm, cover soil compaction, to prevent branches from popping out after watering, watering once after pressing, dry watering later, rooting can be separated after about 60 days.

July: prevent stagnant water after rain and remove weeds and residual flowers in time. Oleander has strong tillering ability, and many tillers will sprout from the base during the growth period. in order to reduce nutrient consumption and maintain beautiful posture, oleander should be removed or cut in time.

August: same management as the previous month.

September: same management as last month.

October: same as last month.

November: applying phosphorus and potassium fertilizer once after flowering is beneficial to healthy growth.

December: to do a good job of cultivating soil and preventing cold, seedlings should cover grass to prevent freezing, and trim tillering branches and overdense branches once. To control moisture, it is appropriate to be dry.