Two key points to note when growing asparagus fern
1. Repotting the potting soil
Asparagus fern should be repotted once every one to two years.
2. Pruning
The best time to prune asparagus fern is in spring. The pruning method is to trim appropriately according to the plant's tendency to lean toward light, so as to maintain its shape.
As long as you pay attention to these two points, there should not be much of a problem with your asparagus fern growing well. So, are you already a skilled asparagus fern grower now? What are you waiting for? Hurry up and plant your own one-of-a-kind asparagus fern!
How to grow asparagus fern: key points for growing asparagus fern
Asparagus fern can not only improve cultural refinement, but also has a certain regulating effect on the body, and is highly beneficial to human health. Below, let us learn about the methods for growing asparagus fern!
● Methods for growing asparagus fern
1. Potting soil: For growing asparagus fern, the potting soil should ideally be fertile sandy loam, requiring warmth and moisture, richness in decaying leaf matter, and good drainage. Generally, a ratio of 4 parts garden soil, 2 parts leaf mold, 2 parts compost soil, and 1 part sand can be used, and regular soil replacement and fertilizing should be done. If overly concentrated fertilizing causes "root burn," it is necessary to tip out the pot to remove the fertilizer, rinse the root ball with clean water, and then replace it with new soil for growing.
2. Watering: Watering is the key point in cultivating asparagus fern. Too much watering and overly wet potting soil can easily cause root rot, while too little watering can cause leaf tips to scorch and turn yellow. Therefore, during watering, it should be determined according to the weather, growth condition, and the dryness or wetness of the potting soil, following the principle of not watering when dry, and watering thoroughly when watering. In hot and dry weather, water can be sprayed on the leaf surface to increase humidity and lower temperature, while in winter less watering is needed.
3. Fertilizing: Asparagus fern does not like heavy fertilizer, but it also cannot lack fertilizer. Limited by the potting soil in containers, asparagus fern cultivation must promptly supplement nutrients to meet growth requirements. During fertilizing, apply little at a time but more frequently, and do not apply concentrated fertilizer, otherwise it will cause yellow leaves. Generally, applying a thin, fully decomposed liquid fertilizer once a month is sufficient. After the plant grows larger and its form is set, fertilizing can be appropriately controlled and reduced.
4. Light: Asparagus fern should not be exposed to blazing sun during cultivation. In hot seasons, it should be placed in a cool, ventilated place. At the same time, during the flowering period, asparagus fern is afraid of both wind and rain, so attention should be paid to good ventilation. In good weather, it can be appropriately placed outdoors to receive sunlight. In winter, the temperature for potted asparagus fern should be kept above 5°C to avoid freezing.
5. Placement: Asparagus fern is mostly used for indoor desk display. Because asparagus fern is very afraid of smoke and dust, and if it encounters toxic gases, its branches and leaves easily turn yellow, it should be placed in a clean, clean, and well-ventilated environment.
● Key points for growing asparagus fern
1. Asparagus fern likes warmth and avoids strong light
In winter, asparagus fern cultivation requires creating a growing environment above 15°C, while in summer it should be kept away from direct strong light.
2. Asparagus fern likes moisture and fears root soaking
During the growing period, asparagus fern should be watered thoroughly and the potting soil should often be kept moist, but watering should not be excessive, and waterlogging must be avoided, otherwise it easily causes root rot and leaf drop, reducing ornamental value. After autumn, watering should be reduced.
When growing asparagus fern, it is not suitable to frequently water with "waterlogged" water. Instead, it is better to frequently spray water on the leaf surface. Generally in summer, along with appropriate watering, spray water on the leaf surface 1 to 2 times a day; in winter, while keeping the soil moist, spraying water on the leaf surface once every 3 to 4 days is sufficient.
3. Asparagus fern likes fertilizer
It especially likes fully decomposed organic fertilizer. The scientific fertilizing method is to apply thin fertilizer once a week in spring and autumn, and once every 15 to 20 days in winter.
4. Keep asparagus fern away from marble-type decorative materials when placing it
Asparagus fern has an extremely strong ability to absorb gaseous mercury, but while absorbing gaseous mercury, it also causes serious harm to itself. Therefore, when placing asparagus fern, it should be kept away from building decorative materials such as marble that release gaseous mercury.
5. Prune in time
Overly dense branches should be pruned in time. If too many adventitious roots develop, they should be promptly thinned out or divided into separate pots. At the same time, attention should also be paid to tying and staking to maintain a shape with an appropriate balance of density and spacing.
That concludes the introduction to knowledge such as methods for growing asparagus fern. Asparagus fern is a relatively difficult plant to grow, so few households choose to plant it, and its value is also relatively high.
Methods and key points for growing asparagus fern bonsai
Asparagus fern is also known as cloud pine, spiny asparagus, cloud bamboo, and so on. It is a perennial plant of the genus Asparagus in the family Asparagaceae, native to South Africa, and distributed in central China, the northwest, the Yangtze River basin, and various places in the south. It can grow several meters tall, has extremely high ornamental value, and can be placed in the living room or study. While purifying the air, it also adds a literary atmosphere. Now let us take a look at the methods and key points for growing asparagus fern!
Growth habits of asparagus fern
Asparagus fern likes warm, humid, semi-shaded, and ventilated environments. In winter it cannot tolerate severe cold or drought, and cannot be watered too much or the roots will rot. In summer it avoids direct sunlight. It is best grown in loose, fertile, well-drained sandy loam rich in humus. The room temperature is best kept between 12 and 18°C. When it exceeds 20°C, ventilation and heat dissipation are needed. The suitable growing temperature is 15 to 25°C, and the overwintering temperature is 5°C.
Propagation methods for asparagus fern
Asparagus fern is mostly propagated by division. Plants 3 to 5 years old grow relatively densely and can be propagated by division. Division is best done in spring when repotting. Use a sharp knife to divide the clustered stems and roots into 2 to 3 clumps along their natural direction, making sure each clump contains 3 to 5 buds, and then plant them separately into pots. When dividing, try to damage the root system as little as possible. After dividing and planting, water thoroughly, place in a semi-shaded spot, and pay attention to moisture retention and shading. Afterward, watering should be controlled appropriately, otherwise yellow leaves are easily caused.
Methods for growing asparagus fern
1. Potting soil: For growing asparagus fern, the potting soil should ideally be fertile sandy loam, requiring warmth and moisture, richness in decaying leaf matter, and good drainage. Generally, a ratio of 4 parts garden soil, 2 parts leaf mold, 2 parts compost soil, and 1 part sand can be used, and regular soil replacement and fertilizing should be done. If overly concentrated fertilizing causes “root burn,” it is necessary to tip out the pot to remove the fertilizer, rinse the root ball with clean water, and then replace it with new soil for growing.
2. Watering: Watering is the key point in cultivating asparagus fern. Too much watering and overly wet potting soil can easily cause root rot, while too little watering can cause leaf tips to scorch and turn yellow. Therefore, during watering, it should be determined according to the weather, growth condition, and the dryness or wetness of the potting soil, following the principle of not watering when dry, and watering thoroughly when watering. In hot and dry weather, water can be sprayed on the leaf surface to increase humidity and lower temperature, while in winter less watering is needed.
3. Fertilizing: Asparagus fern does not like heavy fertilizer, but it also cannot lack fertilizer. Limited by the potting soil in containers, asparagus fern cultivation must promptly supplement nutrients to meet growth requirements. During fertilizing, apply little at a time but more frequently, and do not apply concentrated fertilizer, otherwise it will cause yellow leaves. Generally, applying a thin, fully decomposed liquid fertilizer once a month is sufficient. After the plant grows larger and its form is set, fertilizing can be appropriately controlled and reduced. During the growing period, apply a thin fertilizer containing nitrogen and phosphorus 1 to 2 times a month to encourage lush branches and leaves; other liquid fertilizers may also be used. Note that too much fertilizer should not be applied during the flowering period; applying liquid fertilizer twice each in May to June and September to October is sufficient.
4. Light: Asparagus fern should not be exposed to blazing sun during cultivation. In hot seasons, it should be placed in a cool, ventilated place. At the same time, during the flowering period, asparagus fern is afraid of both wind and rain, so attention should be paid to good ventilation. In good weather, it can be appropriately placed outdoors to receive sunlight. In winter, the temperature for potted asparagus fern should be kept above 5°C to avoid freezing.
5. Placement: Asparagus fern loves a clean and air-circulating environment. If stimulated by harmful gases such as smoke, dust, coal gas, and pesticides, the leaves will turn yellow, curl, and even wither and die. Therefore, asparagus fern should be placed in a clean, clean, and well-ventilated environment, away from decorative materials such as marble that release gaseous mercury.
Key points for growing asparagus fern
1. Asparagus fern is not cold-tolerant and cannot overwinter outdoors in the north. When the temperature drops, it should be moved indoors in time. In winter, a growing environment above 15°C must be provided.
2. It should not be watered frequently; instead, spray water on the leaf surface regularly. In summer, spray water on the leaf surface 1 to 2 times a day; in winter, while keeping the soil moist, spraying water on the leaf surface once every 3 to 4 days is sufficient.
3. Keep the potting soil semi-dry and slightly moist. If the potting soil is too dry, it will cause asparagus fern leaves to turn yellow or branches and leaves to scorch and wither.
4. Do not use tap water directly to water the flowers. It should be left to stand for 1 to 2 days in advance, and the water temperature should not be too cold.
5. Do not apply raw fertilizer (some people growing asparagus fern directly pour human urine onto the roots of asparagus fern, resulting in the roots being burned to death). Raw fertilizer must be fully decomposed.
6. Apply thin fertilizer once a week in spring and autumn, and once every half month in winter. It is best to use compound flower fertilizer.
7. Asparagus fern does not like smoke and dust. In winter, if a coal stove or charcoal fire is used for heating, proper ventilation should be provided every day.
8. Asparagus fern should be kept away from marble-type decorative items. Asparagus fern has a relatively strong ability to absorb gaseous mercury. What should be noted is that when asparagus fern absorbs gaseous mercury, it also harms itself. Therefore, when placing asparagus fern, it should be kept away from decorative materials that release gaseous mercury.
9. Asparagus fern should be pruned in time. If branches are too dense, affecting ventilation, light, and ornamental value, they should be pruned promptly. If adventitious roots multiply too much, they should also be divided into separate pots in time.
10. Tying asparagus fern can make its posture more beautiful, but it is not suitable to use too-thick string or string with too great a color difference. Bamboo strips and wooden strips also should not be too thick, otherwise the slender asparagus fern will be made to look too delicate and weak by contrast.
How to make asparagus fern bonsai
1. Material selection: one asparagus fern about 20 cm tall, two asparagus ferns selected at just over 10 cm tall, an irregular-shaped white marble shallow basin and its matching stand, several landscape stones about 10 cm tall, an appropriate amount of growing soil, and green moss.
2. Bonsai shaping: Spread a thin layer of growing soil over the surface of the white marble shallow basin. Plant the tallest asparagus fern, with its curved branches and leaves facing left, at the right end of the basin. Plant the second-tallest asparagus fern not far to the left of the first asparagus fern, appropriately near the back edge of the basin. Then plant the shortest asparagus fern at the boundary between the 1/3 and 2/3 length of the basin, with its curved branches and leaves also facing left, so as to achieve a coordinated and unified orientation for the three asparagus ferns. Then adjust the positions of the asparagus ferns in the basin until a natural and beautiful effect is achieved.
3. Arranging stones and laying moss: Place several landscape stones at an appropriate position toward the right rear of the basin surface, and cover the growing soil on the basin surface with green moss to achieve a greening artistic effect. Finally, spray clean water onto the asparagus fern and green moss to moisten the growing soil.
How best to prune asparagus fern
1. Pruning for missing cladodes: When the growth position of small cladodes on the main branch is unsatisfactory or they are missing for some reason, short pruning can be carried out at an appropriate position on the main branch to force the dormant buds there to sprout. Generally, the height at which the cut is made is the height at which the cladodes sprout, and the position of the thorns on the branch is the position at which the cladodes sprout. The greater the thickness of the branch, the higher the sprouting rate of the dormant buds.
2. Whole-plant renewal pruning: If the branches and leaves of the whole plant grow poorly due to strong sunlight scorching or the potting soil being too dry, lack of fertilizer, or some unknown reason, whole-plant renewal can be carried out. During renewal pruning, all cladodes can be cut off, but attention should be paid to the positions where the backward thorns on the branches grow, because they determine whether the distribution of the retained branches is even. Pruning during the growing season generally makes it easy to sprout new branches. After pruning, watering should also be appropriately reduced. The potting soil absolutely must not be too wet, otherwise the pruning will fail.
3. Pruning of trailing branches: Trailing branches are generally weak and slender. If you do not want to keep them for propagation and want the plant shape to look good, they can be cut off from the base all at once. If you want to increase the number of cladodes or fill a certain gap, they can be shortened at a certain position. During pruning, special attention should be paid to comprehensive management such as light fertilizing.
Hydroponic growing methods for asparagus fern
1. Select robustly growing, well-developed asparagus fern as the mother material for hydroponics. Take the asparagus fern out of the flowerpot together with the soil, carefully wash away the soil from its roots, remove rotten roots, and cut off some old roots. Clean the leaves and plant thoroughly with clean water, avoiding injury to the plant. Asparagus fern roots relatively slowly, so be careful when taking out the asparagus fern and do not damage its roots.
2. Fix the cleaned plant with a planting basket, making sure its roots are fully spread out when fixing. Then place the plant together with the planting basket into a 1‰ carbendazim solution and soak the roots for 30 minutes. Put it in a cool place, and after the root system becomes soft, the next step can be carried out.
3. Pour asparagus fern-specific nutrient solution into the nutrient solution tank, and plant the treated plant from above onto a floating board (note: keep part of the root system exposed to the air). Spray water on the leaf surface twice a day. Under a suitable temperature of 15 to 25°C, new roots can grow in two weeks. At this time, foliar fertilizer needs to be supplemented once every week.
4. After three to four weeks, the asparagus fern root system has grown many new roots. At this point it can be transferred to a bottle for static hydroponics, and it is best to use ceramsite for fixing.
5. Asparagus fern likes a semi-humid environment. Generally, place it near a window with light, but not in a place with direct sunlight, and keep it ventilated. Under the container, a tray with water should still be placed and water should be replenished frequently.
6. For hydroponic asparagus fern, it is best to use nutrient solution specially made for asparagus fern. Maintaining hydroponic asparagus fern is much easier than soil cultivation. Usually, you only need to pay attention to changing the water: about every 7 to 10 days in summer, and about every 20 days in winter. Each time you change the water, supplement the nutrient solution.
Causes of yellowing leaves in asparagus fern
1. Strong light exposure: Asparagus fern likes semi-shade when grown, and in summer it should not be exposed to strong direct sunlight, otherwise the branches and leaves will wither and turn yellow. The solution is to move the flowerpot to a cool place and spray more water on the branches and leaves to increase humidity.
2. Improper watering: Although asparagus fern likes moisture, it can also become waterlogged from overly wet conditions. Therefore, during cultivation it is best to keep the potting soil alternating between dry and wet. Generally, do not water when dry, and water thoroughly when watering, but when watering, do not allow excessive standing water on the pot surface. If overwatering occurs, watering can be temporarily stopped and replaced by spraying water only on the leaf surface to maintain moisture for the asparagus fern.
3. Improper fertilizing: Applying overly concentrated fertilizer or applying undecomposed fertilizer can both cause asparagus fern leaves to turn yellow and fall off. Also, if the potting soil used for planting is too poor in nutrients, it will likewise cause asparagus fern leaves to turn yellow. Therefore, when fertilizing, attention should be paid to applying thin fertilizer, possibly more frequently but in smaller amounts, and fully decomposed fertilizer should be used. For situations that have already occurred, changing the potting soil can be adopted to solve the problem. It is worth noting that fertilizing is not suitable during the low-temperature period in winter and the high-temperature period in summer.
4. Gas toxicity: Asparagus fern is very afraid of smoke and dust. If it is frequently exposed to harmful gases such as smoke and dust, asparagus fern will show symptoms of toxicity with yellowing branches and leaves. When this happens, promptly move the flowerpot away from its original position and increase the work of sprinkling water on the leaf surface to remove dust.
5. Pest causes: Scale insects are the most common pest in asparagus fern cultivation. When scale insects are found, they should be promptly wiped off with a damp cloth strip. In severe cases, buy treatment from a pesticide shop for control, and promptly change the potting soil. When changing the potting soil, old and remaining root fibers can be cut off to reduce nutrient consumption.
6. Management mistakes: When growing asparagus fern, it should be kept at a certain temperature, especially in winter when it should be placed in a sunny position. If asparagus fern is kept for a long time in a place lacking light, poorly ventilated, and cold, it is very easy for the leaves to wither and turn yellow and dry up. In winter, the temperature for growing asparagus fern generally must not be lower than 12°C, and it should be placed in a place with good light, and watering can be appropriately reduced.