Nasturtium Growing Precautions and Care Tips

1. Except for dwarf varieties, nasturtium has trailing stems, so whether grown in pots or in the open ground, thin bamboo stakes must be set up and the stems tied and guided by hand so the branches can climb on them, which favors both appearance and normal growth.

2. On rainy days, pay attention to drainage and waterlogging prevention. Generally, potted plants that have been grown for 2-3 years need to be replaced in time. Because both the flowers and leaves of nasturtium are strongly phototropic, the pot orientation needs to be changed frequently during cultivation so the plant can grow normally.

How to grow nasturtium? Nasturtium growing methods and precautions

Nasturtium, also known as "hanhe", "jinlianhua", "hanlianhua", "dahongque" and so on, is a plant of the genus Tropaeolum in the family Tropaeolaceae. The leaves of nasturtium are fleshy, and the leaf shape resembles that of bowl lotus. At the same time, the flowers have a peculiar form and are very beautiful, with high ornamental value. They are very suitable for growing in pots indoors or decorating balconies and windowsills. So, how do you grow nasturtium? The growing methods and precautions for nasturtium are introduced below.

Image: Nasturtium

I. Growing methods for nasturtium

1. Soil:In southern regions it is grown as a perennial, while in northern regions it is grown as an annual or in pots. For potted nasturtium, it is best to use a culture soil mixed evenly from 4 parts leaf mold, 4 parts garden soil, 1 part compost soil, and 1 part sandy soil.

2. Watering:Nasturtium likes moisture and fears waterlogging. Keep soil moisture at around 50%. During the growing period, watering should be done by the method of small amounts and frequent watering. In spring and autumn, water once every 2-3 days. In summer, water every day, and in the evening spray water on the leaf surface to maintain relatively high humidity. After flowering, reduce watering to prevent excessive branch growth. If watering is excessive and drainage is poor, the roots are prone to rot from moisture; in mild cases the leaves turn yellow and fall off, and in severe cases the whole plant wilts and dies.

3. Fertilizing:During the growing period of nasturtium, if fertilizer and water management is poor, it often easily shows long internodes and yellow leaves, thin stems and small leaves, or luxuriant branches and leaves but few flowers. For this reason, nasturtium should not be given too much nitrogen fertilizer, so as to avoid excessive vegetative growth of branches and leaves. During growth, generally apply once every 3-4 weeks a dilute decomposed cake fertilizer water at a concentration of 15%. During flowering, stop applying nitrogen fertilizer and instead apply 0.5% superphosphate once every half month, which can make the leaves emerald green and the flowers abundant. After the flowers fade, apply once a decomposed cake fertilizer water at a concentration of 25% to supplement the nutrients consumed by flowering. In hot summer weather, stop fertilizing. In late autumn, apply once a compound overwintering fertilizer to enhance the plant's cold resistance and lay a foundation for growth the next year. After each fertilization, be careful to loosen the soil in time to improve the air permeability of the potting soil, so as to favor root development.

Image: Nasturtium

4. Light:Nasturtium likes and needs sufficient light. In summer, it must not receive direct sunlight and should be placed in a cool, airy place. In North China, place it indoors in mid-October, in a spot that can receive sunlight. Nasturtium will grow according to the light conditions, so the plant should be rotated constantly to receive even light.

5. Temperature:The most suitable temperature for nasturtium is 18-24°C. It fears high temperatures. If the summer temperature is too high, it is not easy for it to bloom. Above 35°C, growth slows or stops. Nasturtium is not cold tolerant; at 0°C it can only survive for a short time. In winter, the temperature should be above 10°C to help it overwinter. Keeping the winter temperature at 12-16°C together with suitable fertilizer and water can maintain the growth of nasturtium.

6. Shaping and pruning:To make nasturtium have plump leaves and beautiful flowers, it is also necessary to set up supports at the right time and tie the trailing stems evenly to the bamboo frame so that all leaves face one direction. The size of the frame should be such that the vines and leaves can cover it in the later growth stage. As the trailing stems grow, tie them in time, and be careful to distribute the trailing stems evenly on the support so that the flowers can also be evenly distributed. To encourage more branching and achieve the goal of abundant leaves and many flowers, besides keeping the main branch and strong side branches before putting it on the frame, pinching should also be carried out.

Image: Nasturtium

7. Propagation:Nasturtium is commonly propagated by sowing, cuttings, or division. In northern regions, sow in spring; in southern regions, often sow in autumn. For spring sowing, first soak the seeds in warm water at 40-45°C for 1 day. After sowing, keep the temperature at 18-20°C, and they will germinate after 1-2 weeks. After transplanting the seedlings, set them out in the open ground or in pots in May. Autumn sowing is carried out in a greenhouse from August to November, and after emergence the seedlings overwinter in a low-temperature greenhouse. Cuttings are generally taken in spring or autumn. If there is a heated cutting bed, cuttings can also be taken in winter. The method is to take tender stems as cuttings, leaving 3-5 buds on each cutting, removing the lower leaves, and inserting them into a sand bed. After insertion, shade them. At 10-15°C, they will root in about 2 weeks. In South China, division is often used for propagation. After flowering in summer, place the nasturtium that is entering dormancy in a dark, moist place without management. In early October, many old stems send out new shoots. Separate out some new plants with roots from them and plant them separately. With ordinary management measures, they can bloom before Spring Festival.

8. Pests:Nasturtium rarely suffers from pests and diseases. Diseases generally include leaf miners, which cause leaves to curl or fall off. In addition, there are aphids and whiteflies, which can be controlled by spraying pesticides. Diseases generally include mosaic disease and ringspot disease. You can spray insecticides to prevent aphids, clear the surrounding weeds, and pull out and burn infected plants.

Image: Nasturtium

II. Precautions for growing nasturtium

1. During the growth period of nasturtium, improper fertilizer and water management often leads to long internodes and yellow leaves, thin stems and small leaves, or luxuriant branches and leaves but sparse flowers. During growth, generally apply once a month a decomposed soybean cake water at a concentration of 20%. During flowering, stop applying nitrogen fertilizer and instead apply 0.5% superphosphate or decomposed chicken and duck manure water once every half month. After the flowers fade, apply once a 30% decomposed soybean cake water as a top dressing to supplement the nutrients consumed by flowering. In hot summer weather, stop fertilizing. In late autumn, apply once a compound overwintering fertilizer to enhance the plant's cold resistance. Watering is a routine management task. The number of waterings and the amount of water should be determined according to the weather and the growth condition of the plant. In spring and autumn, generally water once every other day. In summer, water once a day to maintain relatively high air humidity. When flower buds appear, the number of waterings should be appropriately reduced, but the amount of water each time should be increased, so that the potting soil alternates between dry and wet. After flowering, watering should be reduced.

2. Nasturtium likes sunlight. In spring and autumn, it should be placed in a sunny place. In summer, it needs appropriate shading. In winter, keep the room temperature at around 15°C with sufficient sunlight, and it can continue to grow and develop.

[Editor's Conclusion]Nasturtium likes a mild climate and cannot tolerate severe cold or intense heat, so special attention must be paid during planting and care. The above has introduced the growing methods and precautions for nasturtium, and I hope it can help everyone!

Nasturtium Growing methods and precautions for nasturtium [step-by-step illustrated guide]

Everyone has probably heard of "jinlian", but many people are very unfamiliar with nasturtium. In fact, nasturtium is also a very common flower. It is a perennial semi-trailing or prostrate plant of the family Tropaeolaceae and genus Tropaeolum. It is only because people do not understand nasturtium that the phenomenon of seeing it often without recognizing it occurs. For this reason, when many people talk about the growing methods and precautions for nasturtium, they also look completely blank. So below let us take a look at nasturtium and understand its growing methods and precautions.

Introduction to nasturtium

Nasturtium, also called "hanhe", "hanhe", "jinlianhua", "hanlianhua", "jinqianlian", "hanjinlian", "dahongque" and so on, is a perennial semi-trailing or prostrate plant of the family Tropaeolaceae and genus Tropaeolum. Nasturtium is perennial but cultivated as an annual. Its leaves are alternate, and the petiole twists upward, attached peltately near the center of the leaf blade. Its flowers are solitary or in cymes of 2 or 3. There are five petals, in forms such as elliptical obovate and obovate. Under suitable conditions, nasturtium can bloom all year round, but flowering is mainly concentrated in summer and autumn. Each flower can remain open for 8 to 9 days. Its flower colors are rich, including purplish red, orange red, creamy yellow and so on. The flower shape is elegant and moving, and the floral fragrance is striking and attractive.

Growing methods and precautions for nasturtium

Sprouting - Usually, nasturtium is grown by propagation through sowing. So the first step is to sprout the nasturtium seeds. First prepare some high-quality nasturtium seeds, place them in a clean container, then soak the seeds in some clean water at a suitable temperature. After 24 hours, take the seeds out and place them in a plastic box with some paper towels on the bottom, spray some clean water on them, then cover with paper towels and a lid to begin sprouting. When sprouting, be careful to keep the room temperature above 20°C, and after 3 days it will be ready.

Seedling raising - After the nasturtium seeds have sprouted, you can do the next step, which is raising seedlings. When raising seedlings, you can choose small black square seedling trays. Fill the box with properly prepared culture soil, then plant the seeds into the small black squares. After 3 to 5 days, the nasturtium can sprout and break through the soil. Note that the culture soil here is mainly a three-mix soil, that is, completed by mixing peat, perlite, and vermiculite in a 1:1:1 ratio.

Pinching - After seedling raising is completed, the nasturtium can grow smoothly. When the nasturtium has grown 5 or 6 leaves, another task needs to be done. This is topping and pinching, which can promote the nasturtium to produce more new branches, so that in the days to come the nasturtium can bloom more. Note that when pinching, keep 4 large leaves.

Planting out - The last thing to do is to plant out the nasturtium. At this time, the room temperature is generally gradually rising, and the temperature should be around 10°C. Still add some three-mix soil as the planting soil for the nasturtium. After planting out is completed, if possible, you can also pinch the nasturtium again.

Conclusion: The above is the relevant introduction to the growing methods and precautions for nasturtium. I believe everyone now has some understanding of it. Finally, a reminder: after nasturtium finishes flowering, be sure to reduce watering, because too much moisture will cause the roots of nasturtium to rot from moisture.

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