The cultivation method of potted water lilies, why don't water lilies bloom?

Water lilies, also known as meridian flowers and water celery flowers, are perennial aquatic flowers belonging to the family Nymphaeaceae. Its underground part has horizontal or erect tuberous rhizomes, born in mud. Leaves clustered and floating on the surface, round or oval, margin undulate, entire or dentate, with slender petiole. The flower is solitary at the top of the slender stalk, and most of the flowers are white, pink, yellow, fuchsia and light blue. The flowering period of a single flower is 3-4 days, which is more than that opened during the day and closed at night. Water lily culture method: flowering in summer and autumn. Sleeping lotus is large and beautiful, and fragrant, flowers and leaves are good, is a good aquatic ornamental plant. Common species are dwarf water lilies, fragrant water lilies, yellow water lilies, European white water lilies and so on. At present, the cold-tolerant varieties are widely cultivated in our country.

Water lilies are native to Asia, America and Europe. Although the water lily has strong cold tolerance, the overwintering temperature of its rhizome should not be lower than 0 ℃. Although water lilies grow in water, they are light-loving plants and do not grow and blossom well in places where there is not enough light. Like the environment of high temperature, moist air and good ventilation. It grows well in humus-rich clayey soil.

Potted water lilies need to use large pots with a diameter of more than 25cm and 27cm. The basin soil should choose humus-rich river mud, pond mud or paddy soil, first dry and smash the basin soil, put cake fertilizer and bone meal at the bottom of the basin as base fertilizer, or mix the already mature fertilizer into the basin soil. Plant roots and put the basin into the water body. At first, the water surface can only be slightly higher than the soil surface, and only when the petiole continues to elongate can the depth of the water be gradually increased. Keep the water depth of 30cm to 40cm during the growing period. The stems and leaves withered from October to November, because the underground stems of water lilies must winter in the mud, the potted water lilies can be taken out in pots and released indoors for overwintering.

The overwintering room temperature of cold-tolerant varieties should be above 3 ℃, and that of non-cold-tolerant varieties should be above 15 ℃. Southern and hardy varieties can also survive the winter outdoors. Water lilies sprout and grow leaves again from March to April next spring. Before sinking into the water in early spring, cake fertilizer or fish meal fertilizer should be applied and topdressing once every 30 to 40 days. Fertilization is usually done by mixing the fertilizer and the soil at 1:1 into a mud ball, and then throwing it evenly into a water lily pot. During the growth period, we should also often cut off the residual leaves and flowers. After planting, water lilies can be dug up and planted again after 2-3 years.

Water lilies are often used in gardens to decorate small and medium-sized water surfaces, or to form a garden waterscape with lotus, Pingpeng grass, cattails, pickles, yellow irises and other aquatic plants. The water lily is also an ideal beautification material in the fountain, which has a long flowering period, beautiful leaves and does not stand out of the water surface, so it will not hinder the spray direction of the water column and does not affect the landscape of the ornaments in the pool, so it is often used in the water surface layout of modern regular gardens.

Why don't water lilies blossom?

Whether potted or pond-raised water lilies, do not like the phenomenon of flowering occurs from time to time. Flower growers can only manage accordingly according to the specific situation, and they will soon be able to reverse the situation that water lilies do not like to blossom. Generally speaking, the main reasons for less flowering of water lilies are as follows:

Enter the water too deep: the water layer above the plant is too thick, the more nutrients the leaves and buds need to float to the surface. Under normal circumstances, the water layer above the terminal bud of the water lily is about 15 cm thick, so as to ensure the normal flowering of the plant.

Lack of fertilizer: for water lilies that like big fertilizer, if you do not apply sufficient base fertilizer during planting or use enough topdressing during the vigorous growing season, it is especially easy to cause the outer flowers to decrease or not to bloom at all. Therefore, in order to make sleep blossom and flourish, it is very necessary to use enough fertilizer in time.

Shaded environment: water lilies can grow well in a strong sunny environment, the cultivation site is shaded, and the plant can not synthesize a large amount of nutrients needed for normal flowering, so they often do not like flowering. It should be remembered that in order to make water lilies bloom, they should be exposed to no less than 4 hours of direct sunlight every day.

Lower temperature: after entering autumn, the number of flowering will decrease with the decrease of temperature. If you want the water lilies to continue to bloom, you can try to increase the temperature of the small environment. For example, measures such as covering plastic film are used to improve the local temperature of the cultivation environment. In this way, it can effectively promote the normal flowering of the plant, and then improve the ornamental value of water lily Bian.

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