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Home > Plant Care Guide > Mandarin Orange

How to Care for Mandarin Orange

The mandarin orange (Citrus reticulata) is a citrus fruit tree. It is famed for its Mandarin oranges, a commonly consumed fruit which can be eaten plain or used in salads. During the Chinese New Year, the fruit is considered a symbol of good fortune.

Symbolism

Auspiciousness and good luck

Water

Every 1-2 weeks

Sunlight

Full sun

Basic Care Guide

Water

Mandarin orange prefers moist soil and is somewhat drought tolerant, but it cannot grow well when waterlogged. Water deeply in spring before the leaves sprout, and then once per week during the budding season to keep the soil moist. During rainy periods, keep the soil well-drained without any standing water to prevent the buds from falling. Increase watering in dry weather, as the fruits may fall if the soil is too dry.

Ground Mandarin orange watering

When a Mandarin orange is very young, such as when it is in a seedling stage, you will need to give it more water than you would if it were at a mature age. During the early stages of this plant’s life, it is important to keep the soil consistently moist to encourage root development. The same is true for any Mandarin orange that you have transplanted to a new growing location. As it continues to grow and establish, it can survive entirely on rainwater and only when the weather is hot and there is no rainfall at all for 2-3 weeks, then consider giving your Mandarin orange a full watering to prevent them from suffering stress.

Potted Mandarin orange watering

For potted plants, there are two main ways that you can determine how often to water your Mandarin orange . The first way is to set a predetermined watering schedule. If you choose this route, you should plan to water this plant about once every week or once every other week. However, this approach may not always work as it does not consider the unique conditions of your Mandarin orange ’s growing environment. Your watering frequency can also change depending on the season. For instance, a predetermined watering schedule will likely not suffice during summer when this plant's water needs are highest. An alternative route is to set your watering frequency based on soil moisture. Typically, it is best to wait until the first two to four inches of soil, usually ⅓ to ½ depth of the pots, have dried out entirely before you give more water. If more than half of the soil has become dry, you should consider giving more water than usual. In those cases, continue adding water until you see excess water draining from your pot’s drainage holes.

The seasonal changes will affect how often you water your Mandarin orange . Mainly, during the hottest summer months, you will likely need to increase how much you water this plant, especially if it grows in an area that receives ample sunlight. Strong summer sunlight can cause soil to dry out much faster than usual, meaning that you’ll need to water more frequently. By contrast, your Mandarin orange will need much less water during the winter, as it will not be in an active growing phase. During winter, you can get by with watering once every 2 to 3 weeks or sometimes not at all. For those growing this plant indoors, you should be somewhat wary of appliances such as air conditioners, which can cause your plant to dry out more quickly, which also calls for more frequent watering.

Underwater and overwater

When your Mandarin orange is planted in pots, overwatering is often more likely to.When you accidentally overwater your Mandarin orange , you should be prepared to remedy the situation immediately. First, you should stop watering your plant right away to minimize the effect of your overwatering. After, you should consider removing your Mandarin orange from its pot to inspect its roots. If you find that none of the roots have developed root rot, it may be permissible to return your plant to its container. If you do discover signs of root rot, then you should trim away any roots that have been affected. You may also want to apply a fungicide to prevent further damage. Lastly, you should repot your Mandarin orange in soil that is well-draining. In the case of an underwatered Mandarin orange , simply water this plant more frequently.

Underwatering is often an easy fix. If you underwater, the plant's leaves will tend to droop and dry out and fall off, and the leaves will quickly return to fullness after sufficient watering. Please correct your watering frequency as soon as underwatering occurs.

For outdoor plants, especially newly planted plants or plant seedlings, they can be prone to lack of watering. Remember that you need to keep watering enough for a few months when the tree is small or just planted. This is because once the roots are established, Mandarin orange can rely on rain most of the time.

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What is the best way to water my Mandarin orange?

Your Mandarin orange will not be too picky about how you choose to water it. As such, you can use just about any common watering tool to moisten this plant’s soil. Watering cans, hoses, and even cups will work just fine when it is time to water your Mandarin orange. Regardless of which watering tool you use, you should typically apply the water directly to the soil. In doing so, you should ensure that you moisten all soil areas equally to give all parts of the root system the water it needs. It can help to use filtered water, as tap water can contain particles that are harmful to plants. It is also beneficial to use water that is at or slightly above room temperature, as colder or hotter water can be somewhat shocking to the Mandarin orange. However, the Mandarin orange usually responds well to any kind of water you give it.

What should I do if I water my Mandarin orange too much or too little?

When your Mandarin orange is planted in pots, overwatering is often more likely to.When you accidentally overwater your Mandarin orange, you should be prepared to remedy the situation immediately. First, you should stop watering your plant right away to minimize the effect of your overwatering. After, you should consider removing your Mandarin orange from its pot to inspect its roots. If you find that none of the roots have developed root rot, it may be permissible to return your plant to its container. If you do discover signs of root rot, then you should trim away any roots that have been affected. You may also want to apply a fungicide to prevent further damage. Lastly, you should repot your Mandarin orange in soil that is well-draining. In the case of an underwatered Mandarin orange, simply water this plant more frequently.

How often should I water my Mandarin orange?

Most plants that grow naturally outdoors can be allowed to grow normally with rainfall. If your area lacks rainfall, consider giving your plants adequate watering every 2 weeks during the spring and fall. More frequent watering is needed in summer. In winter, when growth becomes slower and plants need less water, water more sparingly. Throughout the winter, you may not give it additional watering at all. If your Mandarin orange is young or newly planted, then you should water more frequently to help it establish, and mature and grow up to have more adaptable and drought tolerant plants.

Your watering frequency can also change depending on the season. For instance, a predetermined watering schedule will likely not suffice during summer when this plant's water needs are highest. An alternative route is to set your watering frequency based on soil moisture. Typically, it is best to wait until the first two to four inches of soil, usually ⅓ to ½ depth of the pots, have dried out entirely before you give more water.

How much water does my Mandarin orange need?

When it comes time to water your Mandarin orange, you may be surprised to find that this plant does not always need a high volume of water. Instead, if only a few inches of soil have dried since your last watering, you can support healthy growth in the Mandarin orange by giving it about five to ten ounces of water every time you water. You can also decide your water volume based on soil moisture. As mentioned above, you should note how many inches of soil have dried out between waterings. A surefire way to make sure your Mandarin orange gets the moisture it needs is to supply enough water to moisten all the soil layers that became dry since the last time you watered. If more than half of the soil has become dry, you should consider giving more water than usual. In those cases, continue adding water until you see excess water draining from your pot’s drainage holes.

If your Mandarin orange is planted in an area that gets plenty of rain outdoors, it may not need additional watering. When the Mandarin orange is young or just getting established, make sure it gets 1-2 inches of rain per week. As it continues to grow and establish, it can survive entirely on rainwater and only when the weather is hot and there is no rainfall at all for 2-3 weeks, then consider giving your Mandarin orange a full watering to prevent them from suffering stress.

How can I tell if i'm watering my Mandarin orange enough?

Overwatering is a far more common problem for the Mandarin orange, and there are several signs you should look for when this occurs. Generally, an overwatered Mandarin orange will have yellowing leaves and may even drop some leaves. Also, overwatering can cause the overall structure of your plant to shrivel and may also promote root rot. On the other hand, an underwatered Mandarin orange will also begin to wilt. It may also display leaves that are brown or brittle to the touch. Whether you see signs of overwatering or underwatering, you should be prepared to intervene and restore the health of your Mandarin orange.

How can I water my Mandarin orange at different growth stages?

When the Mandarin orange is very young, such as when it is in a seedling stage, you will need to give it more water than you would if it were at a mature age. During the early stages of this plant’s life, it is important to keep the soil consistently moist to encourage root development. The same is true for any Mandarin orange that you have transplanted to a new growing location. Also, the Mandarin orange can develop showy flowers and fruits when you give them the correct care. If your Mandarin orange is in a flowering or fruiting phase, you will likely need to give a bit more water than you usually would to support these plant structures.

How can I water my Mandarin orange through the seasons?

The seasonal changes will affect how often you water your Mandarin orange. Mainly, during the hottest summer months, you will likely need to increase how much you water this plant, especially if it grows in an area that receives ample sunlight. Strong summer sunlight can cause soil to dry out much faster than usual, meaning that you’ll need to water more frequently. By contrast, your Mandarin orange will need much less water during the winter, as it will not be in an active growing phase. During winter, you can get by with watering once every 2 to 3 weeks or sometimes not at all. For those growing this plant indoors, you should be somewhat wary of appliances such as air conditioners, which can cause your plant to dry out more quickly, which also calls for more frequent watering.

What's the difference between watering my Mandarin orange indoors vs outdoors?

In some cases, your Mandarin orange may not need any supplemental watering when it grows outside and will survive on rainwater alone. However, if you live in an area of little to no rain, you should water this plant about every two weeks. If you belong to the group of people who live out of this plant's natural hardiness zone, you should grow it indoors. In an indoor setting, you should monitor your plant's soil as it can dry out more quickly when it is in a container or when it is exposed to HVAC units such as air conditioners. Those drying factors will lead you to water this plant a bit more often than if you grew it outdoors.

Fertilizer

If you want tasty fruit, add nutrients, apply fertilizer every 1-2 months in spring and summer and every 2-3 months in fall and winter. Use phosphorus-rich fertilizer (N-P-K = 10-30-20) during the blooming season, and a nitrogen- and potassium-rich fertilizer when fruiting (N-P-K = 18-10-20). Before winter, dig a shallow trench around the trunk and apply organic fertilizer once to provide sufficient nutrients for the plant to withstand the winter. this also promotes root growth so your mandarin orange accumulates nutrients well.

Mandarin orange is generally grown in order to produce edible fruit, and requires ample nutrients to be able to yield the most fruit with the best flavor. Without enough nutrients, the leaves and flowers may be underdeveloped, and the Mandarin orange fails to thrive overall. This is why many gardeners prefer to fertilize.

Plants may face many problems if they have not been fertilized for a long time. Nutrient deficiency can cause foliage issues, most commonly yellow leaves. Leaves may also develop a reddish color, shape deformities, withered tips, or dieback across large portions of the plant. Some types of nutrient deficiency can cause bark disorders, slow growth, poor shoot development, and a lack of fruit production.

The best time to fertilize is in the early spring, before the buds emerge. As Mandarin orange energes from winter dormancy, it uses the reserves that were stored up over the winter to put out new growth. Lots of energy will be needed to support the development of blooms, so fertilizing about 2 to 4 weeks before you expect it to bloom provides enough time for the nutrients to soak into the soil and then be absorbed and dispersed throughout the plant.You can continue to feed Mandarin orange during the spring, but it is best not to fertilize in the autumn because this can cause too much foliage to develop late in the season. That makes the leaves susceptible to damage in winter.

Usually the use of some fertilizer with balanced nutrition (nitrogen, phosphorus and potassium) can bring many benefits. The main nutrients that plants need are nitrogen for leaf growth and chlorophyll. Phosphorus supports the root system as well as to produce blossoms, fruits, and seeds. Potassium develops the systems used for photosynthesis and transporting water and nutrients throughout the plant.You may choose to use a commercial fertilizer specialized for a certain type of tree, or you can use organic nitrogen sources such as manure, feather meal, or blood meal. Conducting a soil test can help you get a good idea of the condition of your soil and apply fertilizer more precisely. For commercial fertilizers, you could use a balanced granular fertilizer with an NPK of 10-10-10 or similar if your soil does not have sufficient phosphorus and potassium according to your soil test. In most cases the nitrogen in the soil is continuously lost with rainfall. If your soil has sufficient levels of phosphorus and potassium, a high-nitrogen fertilizer with a ratio of 6-2-1 or 10-2-2 would be more suitable.Always follow directions for the specific type of fertilizer and do research on how to use it for the Mandarin orange you are growing.

Granular fertilizers and organic fertilizers such as blood meal are applied by sprinkling the substance around the base of the tree all the way to the drip line (the space below the farthest-reaching branches) but do not let fertilizer come in contact with the trunk. Over time, the granules break down and filter into the soil to be absorbed into the roots. After fertilizing, spread an inch-deep layer of compost around the base of the tree and water thoroughly.

It is far better to under-fertilize than over-fertilize, since you can always add more but you cannot easily take away excess fertilizer. Over-fertilizing your Mandarin orange may cause brown leaf tips and edges, yellowing, wilting leaves, and possibly a visible crust of fertilizer salts on the surface of the soil around the plant. This condition is called fertilizer burn and results from too many accumulated salts in the plant’s cells. If excess nitrogen is the issue, the Mandarin orange will produce a lot of leaves but won’t grow much fruit since nitrogen supports foliage growth.

Avoid fertilizing Mandarin orange at all in the first year of growth, and be cautious about providing fertilizer if it is not necessary. You also should not fertilize if you pruned 20% of the plant or more the previous year. Hold off on fertilizing plants that are diseased or damaged, as this can do more harm than good. Remember that fertilizer is not medicine, and instead get to the root cause of the issue before you think about feeding the plant again.Do not fertilize after the peak of summer, which can cause too much growth just before winter. Also, Mandarin orange should not be fertilized during hot and dry times of year, since dry soil does not deliver fertilizer as effectively as moist soil. Fertilizing at this time can also stimulate growth which in turn needs more water that may not be available. It is best to keep fertilizer for earlier in the season when temperatures are cooler. Finally, remember that Mandarin orange can absorb fertilizer that has been applied to nearby plants or lawns, so be cautious about inadvertently giving plants a double-dose of fertilizer.

Why do I need to fertilize my Mandarin orange?

The growth of plants continues to deplete the soil of nutrients, especially those of the fast growing types. So regular fertilization to give Mandarin orange some extra supply of nutrients will not only help it stay healthy, but will also allow it to grow more and more delicious fruit. Plants may face many problems if they have not been fertilized for a long time. Nutrient deficiency can cause foliage issues, most commonly yellow leaves. Leaves may also develop a reddish color, shape deformities, withered tips, or dieback across large portions of the plant. Some types of nutrient deficiency can cause bark disorders, slow growth, poor shoot development, and a lack of fruit production.

When is the best time to fertilize my Mandarin orange?

You can continue to feed Mandarin orange during the spring, but it is best not to fertilize in the autumn because this can cause too much foliage to develop late in the season. That makes the leaves susceptible to damage in winter.

When should I avoid fertilizing my Mandarin orange?

Do not fertilize after the peak of summer, which can cause too much growth just before winter. Also, Mandarin orange should not be fertilized during hot and dry times of year, since dry soil does not deliver fertilizer as effectively as moist soil. Fertilizing at this time can also stimulate growth which in turn needs more water that may not be available. It is best to keep fertilizer for earlier in the season when temperatures are cooler.

Finally, remember that Mandarin orange can absorb fertilizer that has been applied to nearby plants or lawns, so be cautious about inadvertently giving plants a double-dose of fertilizer.

What type of fertilizer does my Mandarin orange need?

Conducting a soil test can help you get a good idea of the condition of your soil and apply fertilizer more precisely. For commercial fertilizers, you could use a balanced granular fertilizer with an NPK of 10-10-10 or similar if your soil does not have sufficient phosphorus and potassium according to your soil test. In most cases the nitrogen in the soil is continuously lost with rainfall. If your soil has sufficient levels of phosphorus and potassium, a high-nitrogen fertilizer with a ratio of 6-2-1 or 10-2-2 would be more suitable.

How do I fertilize my Mandarin orange?

Always follow directions for the specific type of fertilizer and do research on how to use it for the Mandarin orange you are growing. It is important not to over-fertilize your Mandarin orange, so determining the correct amount to use is crucial, especially for fruit trees. The usual rule of thumb is to use the age of the tree (if known) or the diameter of the trunk to understand how much fertilizer should be used. Estimate a one-tenth of a pound of fertilizer per year or per inch of trunk, with a maximum of one pound. Note that a Mandarin orange should not be fertilized for the first few years.

What happens if I fertilize my Mandarin orange too much?

If you have overfertilized, you could try removing the top layer of soil under the Mandarin orange to remove the most concentrated area of fertilizer. Then flush the area by watering heavily to try to get rid of fertilizer around the roots.

Sunlight

Mandarin orange prefers full sun, but can also grow in partial shade. It's best to plant it in an open location where there is enough sunlight to grow well with abundant blooms; otherwise, it may make less fruit.

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How many hours of sunlight does Mandarin orange need to grow?

Tropical ornamental plants that prefer full sun need a minimum of 6 hours of direct sunlight per day. These plants are adapted to growing in areas with intense, direct sunlight and require this type of light to thrive. In their natural habitats, they are often found growing in open fields or along the edges of forests, where they receive ample sunlight throughout the day.

What will happen if Mandarin orange doesn’t get enough sunlight?

If tropical ornamental plants that prefer full sun do not receive enough sunlight, they may become leggy and weak. They may also develop yellow or pale leaves, and may stop producing flowers. Over time, these plants may die if they are not given the amount of direct sunlight they need.

What will happen if Mandarin orange gets too much sunlight?

While tropical ornamental plants that prefer full sun need a lot of direct sunlight, they can be damaged by too much sun. If these plants are exposed to intense sunlight for prolonged periods, they may develop sunburned leaves or brown spots. They may also become dehydrated if the soil dries out too quickly in full sun.

How can you protect Mandarin orange from excessive sunlight?

To protect tropical ornamental plants that prefer full sun from excessive sunlight, it is important to choose a location that gets plenty of direct sunlight but also has some protection from the hottest part of the day. If you are growing these plants in containers, you can move them to a more shaded location during the hottest part of the day to protect them from the sun's rays. You can also provide some shade by using a shade cloth or umbrella during the hottest part of the day.

Cautions and tips

It is important to gradually acclimate tropical ornamental plants that prefer full sun gradually to direct sunlight, especially if they have been grown indoors or in a shaded area. Start by placing the plant in direct sunlight for an hour or two each day, gradually increasing the amount of time it spends in direct sunlight over a period of several days or weeks. Be sure to keep an eye on the plant's soil moisture levels when it is exposed to full sun. These plants may require more frequent watering in full sun than they would in a more shaded location. Use a moisture meter or check the soil with your finger to determine when the plant needs to be watered.

Pruning

In summer, cut back dense branches so they don't compete with fruit for nutrients. Also prune any weak, infested, or infected branches. After harvesting the fruit in fall or winter, trim dead or leggy branches as well as those growing crosswise or too densely. this winter trimming will help air circulation and light reach the inner foliage, decreasing the opportunity for pests and diseases.

Is pruning necessary for my Mandarin orange?

To produce optimum fruit harvests, you'll need to cut off the poorly developed small fruits if the fruits are too many and close. This will help the good fruits to get more nutrients and thus benefits the whole pruduction. In order to control and eliminate the infections, infected or dead tree branches need to be removed. Diseased parts of the tree must be pruned away so that they do not harm the rest of the tree. In addition to keeping diseased branches trimmed away, give the tree a good pruning each year in addition to maintenance. It is normal to worry about pruning too much of the tree’s foliage. The rule of thumb is to prune around 20% of the tree’s branch canopy. Try not to remove any more than that. While pruning is important, do not get carried away with the pruning tools and cut back too much of your Mandarin orange's growing branches. Since the best fruit bearers are often around the perimeter of the plant, it will require concentration and care not to cut away too much.

When is the best time to prune my Mandarin orange?

The ideal time for pruning Mandarin orange is the early spring. Be sure to prune before the blooming season begins. Cutting away branches during the growing season may drastically inhibit its fruit-bearing rate. Use garden shears to cut off broken, dead, weak, diseased and overgrown branches from Mandarin orange. Observe the branch to see if it is dry and brittle. You can also tell if there is a dead branch by its color. If the branch is dark green, it is weak and will die soon; if the branch is brown, then the branch is already a dead branch. If the pruning exposes the trunk to direct sunlight, the tree can tolerate pruning in the autumn months in these cases, pruning before the tree’s dormant state can give it plenty of time to repair itself and produce more blooms. Exposing the trunk and interior blooms to harsh sun rays in the summertime can damage and burn the tree – and even kill it. That is why it is advisable to avoid fall pruning in the lower growing zones that have hot days in the autumn. If your climate stays hot for several months, it is best to stick with early spring pruning. After fruiting, if the fruits grow too densely, they will compete with each other for nutrients. It is necessary to prune off the poorly developed and small fruits to prevent Mandarin orange from not providing sufficient nutrients and resulting in fruit drops or overall failure of the fruit to mature.

How do I prune my Mandarin orange?

Use clean pruning tools when removing diseased branches and foliage from the Mandarin orange. Also, be sure to cut away any leggy or protruding branches. Pruning not only enhances the plant’s appearance; it also helps limit the number of branches competing for the plant's nutrients. This can promote the tree’s overall well-being. After fruiting, if the fruits grow too densely, they will compete with each other for nutrients. It is necessary to prune off the poorly developed and small fruits to prevent Mandarin orange from not providing sufficient nutrients and leading to fruit drops or the overall failure of the fruit to mature. In winter or early spring, remove tiller branches, prune pendulous and parallel branches, cross-branches, and retrograde branches to increase ventilation and light, reduce disease infection, and help Mandarin orange to grow more vigorously. When pruning the parallel branches, you need to keep the strong branches and remove the weak ones. Keep the auxiliary branches that grow outward about 45 degrees. Branches that are too big or too small in angle should be removed, and horizontal branches have higher fruiting rate. If the branch size is more than ¾ inch, you need to use Pruning Saw to prune in the direction of "Branch bark ridge" to "Branch collar". The wound will heal well.

What should I do after pruning my Mandarin orange?

Make sure the soil is acidic, loose, sandy, and well-drained. Mandarin orange needs well-drained soil. Too much moisture and the wrong soil type can make the tree susceptible to disease. Fertilize the Mandarin orange every 1-2 months for best results. Use a fertilizer high in phosphorous during the growing season(10-30-20). When the Mandarin orange is dormant in the winter, use a fertilizer that is high in nitrogen and potassium (18-10-20). Adding fertilizer promotes the growth of plants and helps them to recover as soon as possible after pruning.

Advanced Care Guide

Temperature

Mandarin orange prefers a warm, moist environment. Optimal temperatures for its growth are 15 to 30 ℃, while it can tolerate a high temperature of 35 ℃ for a short time. Temperatures higher than 38 ℃ can suppress the growth of mandarin orange. It can survive 0 ℃ briefly, but to avoid damage, keep it above 5 ℃ in winter.

Mandarin orange has a high need for water. Especially in spring and fall, when it grows vigorously, regular and deep watering is needed to keep the soil moist. Mandarin orange goes dormant in winter, so not much watering is needed then. Keep the soil semi-dry and well-drained. Be aware that overwatering may cause root rot, which can lead to death.

What is the optimal temperature for Mandarin orange?

Colder temperatures can affect plants since they have the same temperature as the air around them. When they are exposed to the sun, they can start to get warm again, but this is not the case during winter. The temperature range for the Mandarin orange is often 70~85℉(21~30℃). They might tolerate 20~30℉(-6~0℃) even 15℉(-10℃), but not for long since this can result in frost damage. Maximum temperatures should be around 70~85℉(21~30℃), but make sure that you spray them with water from time to time and give them some shade to prevent wilting.

Should I adjust the temperature for Mandarin orange during different growing phases?

Do some research and make sure that the temperature is right when growing Mandarin orange. Some growers might consider decreasing the plants' thermostats during the growing season to reduce HVAC costs. However, it's vital to understand that the temperature can affect the flowering, pest management, and quality of the plants.

There will be a temperature point where the Mandarin orange will stop growing, and this can happen during the winter when some species might go into a dormant state. The base temperature becomes warmer when the season changes and the Mandarin orange can grow faster. The species that are naturally growing in warm habitats have higher optimum temperatures when you compare them to the ones that thrive in a cooler climate.

When the seeds of Mandarin orange are exposed to cool temperatures, this can cause a decrease in uniformity and delays. You might also want to lower the temperature during flowering but not at other phases. Cooler temperatures at night will also require less water, so adjust the irrigation as needed.

How can I keep Mandarin orange warm in cold seasons?

Stop fertilizing the plant to avoid new growth and allow the old ones to become hardy. This way, they can endure colder temperature when it begins to drop. To keep them warm, you can build structures around the Mandarin orange like cages or trellises. There are also options to use heat mats that can gently warm the soil since they can consistently maintain an ideal temperature range for the Mandarin orange.

How can I save Mandarin orange from temperature damage?

During winter, you can protect the Mandarin orange from frost by covering it with cloths, tarps, burlaps, sheets, or plastic buckets. Make sure to keep them down so they continue to act as insulators and the wind will not blow them away. However, ensure that the plastic sheets or burlap covers should not touch any part of the fruit or foliage, or the cold temperatures can transfer to the material and cause burns. When the temperatures begin to rise during the daytime, remove the covers.

Should I adjust the temperature for Mandarin orange in different seasons?

When growing the Mandarin orange in spring, you might want to increase humidity since the air temperature tends to be cooler at this time. A dry temperature can be a stressful growing environment for various species, which can help. If summer arrives, the large cover of the greenhouse and the warm temperature will mean that there will be a higher humidity level in the air. Some signs to look for are the condensation that is often found on the walls of the greenhouse, and this can cause issues with pollination and the development of infections when the water begins to fall on the leaves. Make adjustments according to the temperature and do some spraying during the hotter days of the year.

What damage will Mandarin orange suffer if the temperature is too high/low?

Generally, the first cold snap can destroy the Mandarin orange and others might go into a dormant state when the temperature is low. Some plants can get chilled when the temperatures range from 20~30℉(-6~0℃). They can freeze when the temperature begins to drop below 32℉(0℃). Those species that hide most of their parts under the soil might lose their structures above ground, but they can recover in spring. Some of the associated issues with too low temperatures are the lack of availability of resources like water, and nutrients, and those subtropical plants can suffer when the temperature reaches below 20℉(-6℃). The plants can also get damaged because of extreme heat stress when it's too high. This can reduce the transpiration rate that can affect the growth and productivity of Mandarin orange.

What tips and cautions should I keep in mind when it comes to temperature for Mandarin orange?

You need to cover the plants at night since these can add about 5 degrees more to protect the species from frost and freezing temperatures. The cloth rows can work well as blankets and ensure that there are no openings where the heat could escape.

When using the covers, avoid the plastic from touching the foliage because this can cause the Mandarin orange to freeze. Remember to keep the covers during the day and stop using heat pads during the summer. It will always be worth the effort to protect the cold-intolerant plants from freezing temperatures to help them survive.

How can I keep Mandarin orange warm without a heat pad?

If you prefer not to use a heat pad, bring the Mandarin orange inside, especially if it's freezing outdoors. During spring, consider the ones you need to bring indoors and plant them in moveable pots and containers.

How can I provide Mandarin orange with an adequate temperature condition?

Most often, the ones caring for the Mandarin orange will grow them in greenhouses. This is because they can provide adequate temperature in these areas that won't affect the photosynthesis process of a specific process.

Some install the proper HVAC systems to control the temperatures of Mandarin orange. This can handle many species' cooling and heating needs, especially during the summer and winter. They generally place the cooling or heating pad under the plants rather than above to achieve their desired temperatures.

If outdoors, you can protect the Mandarin orange from frost by covering it with cloths, tarps, burlaps, sheets, or plastic buckets.

Under what conditions should I stop adjusting the temperature for Mandarin orange?

Heat mats are often left on Mandarin orange to set the temperatures at a more consistent level. When the weather becomes warmer during the day, you can remove them, especially if the species are exposed to the sun. Put the pads away once the plants are established and when they start growing flowers and fruits.

Soil

Loose, fertile, well-drained soil with a slightly acidic pH (5-6) is optimal for mandarin orange. It does not tolerate poor or soggy soil, so if the soil in your garden is low in nutrients or poorly drained, add organic fertilizers, leaf litter, and river sand to improve it.

Propagation

Planting

You can propagate mandarin orange through grafting or layering. Perform grafting in spring by choosing a vigorous branch as rootstock. Saw the rootstock 10 to 15 cm from the ground with a flat surface and make a 2 cm cut on one side of the trunk. Then pick a 5 cm-long twig with leaf buds, and cut a 2 cm-long bevel at the bottom. Finally, insert the twig into the incision on the rootstock, make the cambium (the green layer between the bark and wood) of the twig touch that of the rootstock, and tie them together with plastic film.

If you want to do (aerial) layering, do it also in the spring. Select a 1-to-2-year-old vigorous branch and peel a 2 to 3 cm-wide strip of bark off at the bottom. Cover the wound with a ball of loose, fertile soil and wrap the wound and soil with plastic film. It will root in 40-60 days, and after 4 months you can cut the branch with the soil ball, tear the film off, and plant it in partial shade. Remember to keep the soil covering the wound moist. Once the cuttings are established, transplant them into the garden the following spring.

Mandarin orange provides good landscaping for your garden all year round, which is quite essential for the garden. As your Mandarin orange grows, you may want to know how to get more of them for free. Or maybe your Mandarin orange has been damaged by a pest or disease and you’d like to save it and propagate a new plant. This article is about how to propagate your Mandarin orange. Softwood cuttings is an easy way to propagate this plant. The best seasons in which to propagate the Mandarin orange by cuttings are spring and early summer, when the plant is growing the most actively. During this time, there is plenty of light available for the cuttings to devote to new growth, and your Mandarin orange should have new shoots that are suitable for propagation. Your cutting should still be flexible, but should have reached a level of hardness that it will snap when bent. The tools needed to propagate Mandarin orange are the same as those used for other types of propagation by cutting, although you will not need a particularly strong cutting tool as the material is still quite soft.

Sharp scissors or gardening knife
Diluted bleach solution or isopropyl alcohol to clean tools
Rooting hormone (optional)
Pot(s) with drainage holes for planting
All-purpose potting soil for planting
Clear plastic bag (optional)

Step 1: Prepare one or more small pots with moistened potting mix. You can generally plant several cuttings in the same pot for propagation, as long as you leave about an inch between cuttings in each pot. Step 2: Locate healthy shoots on the parent plant and plan where to cut. The cutting should have at least a couple of leaves and one or two nodes in order for the plant to generate new growth. The cutting length should ideally be about 10cm. Use the sterilized cutting tool to take a cutting just above a leaf joint on the parent plant. Step 3: Remove leaves from the bottom half of the cutting and then trim the bottom just below a node. Dip the bottom end of the cutting into rooting powder (if using) according to the directions. Step 4: Plant the cuttings into your prepared pot one-by-one, being sure that at least one node is buried. Step 5: Keep your Mandarin orange in a warm, protected location with plenty of indirect sunlight. To give Mandarin orange a better chance of survival, you can cover them loosely with a clear plastic bag to create a mini-greenhouse. A rubber band or tape can be used to affix it to the pot. Doing this increases warmth and humidity, which helps the plant to establish roots more quickly. Step 6: Monitor the Mandarin orange, watering as needed so the soil doesn’t get dry, until it is time to transplant. Roots generally begin to form within 4 to 6 weeks, and you may want to thin out unhealthy cuttings or move some of the Mandarin orange to individual pots to give them more space to grow. When the Mandarin orange regrows new leaves, it means that it has successfully grown roots and needs to be transplanted after the new leaves have fully expanded. It is best to transplant Mandarin orange on an overcast day with mild temperatures to avoid stressing them as soon as they are planted.

It's best to plant mandarin orange in early spring, so it has enough time to get established and withstanding cold winter temperatures. When you buy mandarin orange at your local nursery, choose trees 4-5 years old, which are more likely to survive, adapt to the new environment, and grow better. Choose a sunny spot for it, and dig a hole as deep as the height of the root ball, and twice as wide. The surface of the soil should be level with the crown. Compact the soil after planting, and water deeply.

Potting Suggestions

Needs excellent drainage in pots.

Seasonal Care Tips

Seasonal Precautions

When your mandarin orange blooms in the spring, remove the weak or deformed flower buds. To avoid wasting nutrients, thin buds to only 3-5 flowers per twig. When the buds start to fruit, thin again, because if too many fruit consume nutrients, the harvest will be poor quality and the tree will be stressed.

Spring

Summer

Fall

Winter

This plant and other temperate fruiting trees and shrubs require care in the early spring.

Prune back old growth but wait until after the last frost.

Spring is also the best time for planting, but do not fertilize new plants. Mature specimens will benefit from a monthly application of organic fertilizer.

Water the plant deeply every couple of weeks.

Container plants require sunlight in the spring. Move the container to a location receiving several hours of sunlight a day.

Fruiting temperate trees and shrubs like this plant benefit from care during the summer.

A monthly application of organic fertilizer throughout the summer helps to support growth and encourage fruiting.

Keep an eye on soil moisture, watering whenever the soil is beginning to dry out.

Remove any dead and dying leaves from the plant and around the base to help avoid issues with pests and diseases.

Prune back old growth to help avoid potential issues with broken branches.

Move container plants to a partially shady location if they are in a consistently sunny area.

You should provide frequent care to your plant throughout the fall.

Up until your plant reaches dormancy in the cold winter months, continue to water it in cases of little to no rainfall to ensure the soil stays moist and the plant stays productive.

Make sure it received plenty of direct sun as well.

Fertilize it once at the beginning of fall, with a citrus fertilizer, then stop fertilizing and pruning during this season, especially as winter approaches. This will help your plant enter winter dormancy more easily.

Rake up any fallen fall foliage to deter pests and diseases, as bacteria can easily grow in the fallen leaves at the base of the plant.

While your plant is dormant in the winter, let it rest. You’ll need to provide only minimal care at this time.

Water your plant infrequently, providing it with water it only after the soil dries out to avoid waking it up.

At the very end of winter, before new growth begins, prune away dead, diseased, or overcrowded branches to jumpstart fresh growth in the spring.

If you have a potted variety, you can overwinter it indoors in bright sunlight, and you can possibly enjoy the harvest from your plant throughout the season.

Common Pests & Diseases

Common issues for Mandarin orange based on 10 million real cases

Nutrient deficiencies

A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.

Solutions: There are several easy ways to remedy the nutrient deficiencies in soils. Use a water-soluble fertilizer. Fertilizers will include most or all of the macro and micro-nutrients the plants need to thrive. Adding some fertilizer to the soil will make those nutrients available and can combat deficiencies. Regularly apply organic fertilizer pellets. Organic fertilizers such as animal manures and bonemeal can supply plants with all the nutrients that they need to grow strong and healthy. Apply compost. Though not as finely tuned as artificial fertilizer, compost can nevertheless be rich in important nutrients and should be applied to the soil regularly. Apply nutrients via foliar application. In addition to supplementing the soil with nutrients, foliar fertilizer can be applied directly to the plant's leaves. Nutrients offered via foliar application are often taken up even quicker than those put in the soil, so the foliar application can be great for swiftly addressing specific deficiencies.

Brown spot

This infection can cause brown spots or patches to appear on the plant.

Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.

Caterpillars

Caterpillars are fleshy moth or butterfly larvae that come in an array of colors, patterns, and even hairstyles. They chew on leaves and flower petals, creating large, irregular holes.

Solutions: Even though caterpillars are diverse, they all chew on plant parts and can cause significant damage if present in large numbers. For severe cases: Apply insecticide. For an organic solution, spray plants with a Bacillus thuringiensis (Bt), which specifically affects the larval stage of moths and butterflies. Be sure to coat plants, since caterpillars need to ingest Bt for it to be effective. This will not harm other insects. Spray a chili extract. Chili seeds can be cooked in water to make a spicy spray that caterpillars don't like. Spray this mixture on the plants, but be aware it will also be spicy to humans. Introduce beneficial insects. Release beneficial insects to the garden that eat caterpillars, such as parasitic wasps. For less severe cases: Hand pick. Using gloves, pick off caterpillars on plants and dispose of them in a bucket of soapy water. Dust plants with diatomaceous earth. This powder is harmless to humans but irritates caterpillars. Therefore, it will make it difficult for caterpillars to move and eat.

Leaf deformity

Leaf deformities can have a variety of causes.

Solutions: Follow these steps to revive plants with abnormal leaves. Remove damaged leaves: Plants can recover from damage when given the time to do so. Remove any deformed leaves so they don't continue drawing energy from the plant. This also creates room for healthier ones to grow. Stop using herbicide: Though herbicide damage is challenging to diagnose, gardeners can potentially prevent deformed leaves by not using any and by strictly following manufacturers instructions. Spray insecticide: Prevent pests from inhabiting plant leaves by spraying with insecticide regularly and practicing good natural pest prevention techniques. Apply a balanced fertilizer: Solve nutrient deficiencies and excesses by using a well-balanced fertilizer (organic or conventional both work) before planting, and consider topdressing when signs of stress are apparent. Fix watering schedule: If plant leaves are curled downward due to too much or too little water, adjust the watering schedule so the soil is moist, but not damp. Remove infected plants: If the plant has succumbed to a viral infection, not much can be done to revive it. Remove and destroy all compromised plant material to prevent spread to other plants.

Leaf beetles

Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.

Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.

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More About Mandarin Orange

Plant Type

Shrub, Tree

Lifespan

Perennial

Spread

6 m

Bloom Time

Spring

Flower Color

White

Leaf Color

Green

Flower Size

1.5 cm

Plant Height

1 to 3 m

Name story

Mandarin orange

It is a small citrus tree with fruit resembling an orange. The form "mandarine" is derived from the French name for this fruit. The reason for the specific epithet "mandarin" is not clear is because it may relate to the yellow color robes worn by mandarin dignitaries.

Usages

Environmental Protection Value

Mandarin oranges can produce oxygen and absorb carbon dioxide.

Garden Use

Mandarin orange can be a delightful addition to the yard. This small tree produces a sweet, brightly colored citrus fruit whose flavor is a real treat and a welcome reward for the hard-working gardener. These trees are often planted in gardens for their hardiness, fruits, and their small size, which makes them an easy addition. Planting with marigolds, petunias, and borage may help keep away citrus pests.

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Common Problems

When should I harvest mandarin orange?

Ripe fruit are heavier than unripe, so weigh them in your hands. When ripe, the skin is bright, shiny yellow, and you can smell them. If the fruit looks withered or dry, it may be infected with a disease or overripe. Only select those that look good to eat.

Why are the leaves of my mandarin orange curled?

Curled leaves may be caused by pests. Pests like aphids and mites absorb the sap from the leaves, which causes leaves to curl and distort. When you notice that your mandarin orange leaves are curling, check for tiny insects on the leaves. If so, spray with insecticides promptly, and repeat weekly until no signs of pests are left.

Curled leaves can also be due to underwatering. If the leaves start to curl while remaining green, see if the soil is dried out, which means you have underwatered the plant. Please water it promptly and apply 5 to 10 cm of organic mulch, which will help keep the soil moist and help the mandarin orange recover.

Lack of nutrients is possible as well: potassium deficiency results in yellowing leaves curling downward. Fertilize the mandarin orange and water well to promote nutrient absorption.

Caring for a New Plant

The following pictures and instructions for fruit plant are aimed to help your plants adapt and thrive in a new environment.

Picking a Healthy Fruit Plant

Check Its Health

Whole Plant

Symmetrical crown, evenly distributed branches, full and compact shape, no excessive growth, close internodes, and uniform leaf size.

Fruits

The fruit is closely attached and does not fall off easily when shaken. No disease spots.

Branches

The branches are not withered, and the trunk is free of boreholes or damage.

Stems

No mold, browning or soft rot at the base of the plant.

Leaves

Check the inside of the plant, shaded and overlapping areas, back of leaves. Even colour, no yellowing, no brown spots, no crawling insects, no cobwebs, no deformities, no wilting.

Health Troubleshooting

Whole Plant

1 Asymmetrical crown or missing, uneven branching: prune the weak and slender branches of the larger portion of the asymmetrical crown, then trim the overgrown larger branches.

2 Internodes are longer in the upper part, leaves are sparse and smaller on top: increase light intensity or duration.

Fruits

1 Fruit drops easily: provide the plant with adequate light, but avoid direct sunlight during the afternoon. Be careful not to over-water or allow the soil to become too dry.

2 Spots or disease on the fruit: avoid getting water on the fruit. When watering, avoid wetting the fruit as much as possible.

Branches

1 Dry branches: check if the branch is still alive by peeling back a small section of bark and trim away any dry branches. Watch out for signs of insect infestation inside the branch.

2 Bark with holes: inject insecticide into the holes and apply systemic insecticide to the roots.

3 Damaged bark: brush on a wound-healing agent, and avoid getting it wet.

Stems

Mildew, browning, or soft rot at the base: place the plant in a ventilated, dry environment and water with fungicide.

Leaves

1 Uneven leaf color and yellowing: prune yellow leaves and check if there are signs of rot at the base of the plant. Spray with fungicide for severe cases.

2 Brown spots or small yellow spots: place the plant in a ventilated area and avoid watering the leaves. Spray with fungicide for severe cases.

3 Tiny crawling insects on the back of leaves or spider webs between leaves: increase light exposure and spray with insecticide for severe cases.

4 Deformations or missing parts on leaves: determine if it's physical damage or pest infestation. Linear or tearing damage is physical, while the rest are pests. Spray with insecticide.

5 Wilting leaves: provide partial shade and avoid excessive sun exposure. Remove 1/3 to 1/2 of the leaves for severe cases.

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.

Check Its Growing Conditions

Soil Check

Soil should smell fresh like after a rain and no musty odor.

Light Check

Check the light requirement of the plant and if it match with planting location.

Ventilation Check

Ensure good ventilation.

Temperature Check

Ensure outdoor temperature is suitable for plants.

Condition Troubleshooting

Soil

Potting mix soil, Peat moss mix soil

Soil smells musty or foul: check the root system for decay, place the plant in a ventilated, dry environment, and water with fungicide.

Ideal Temperature

0 to 35 ℃

Temperature is too low: Temporarily move the plants indoors and then to outdoors when temperature is suitable.

Ventilation

Well Ventilated

Non-ventilated environment: can lead to root rot, diseases, and flower/fruit drop. Place the plants in an airy location avoiding dead spots.

Suitable Light

Full sun, Partial sun

Insufficient light: reduce light appropriately during flowering period but not a fully shaded environment. After flowering, move to normal cultivation environment. For plants with long flowering and fruiting periods, provide normal light to avoid shortening.

Transplant recovery: After transplanting, pot plants should be temporarily shaded, then moved to normal light after a week if no abnormal drop or wilting. In-ground plants, shade for a week and then transfer to normal light or just pay attention to watering.

Adapting Your New Fruit Plant

Step 1

Repotting

Potted plants - Wait until flowering and fruiting stage is over before changing pots. In-ground plants - Plant directly taking care not to harm root system or remove soil.

Step 2

Pruning

Prune residual flowers, yellow/dead leaves. No other pruning at this time.

Step 3

Watering

Water appropriately. Water more frequently for newly transplanted or purchased plants to keep the soil consistently moist for at least 2 weeks. Avoid overwatering, do not water when there is water on your finger after touching the soil. Both underwatering and overwatering can cause plants to drop their flowers or fruit.

Step 4

Fertilizing

Don't fertilize just after purchase. Fertilize after 2 weeks using half concentration.

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.

Mandarin Orange

Repotting

Repotting potted plants: Wait until flowering/fruiting ends. Repotting in-ground plants: Be careful not to harm roots/soil.

Pruning

Prune residual flowers, and yellow/dead leaves. No other pruning at this time.

Watering

Water new plants more often for 2 weeks. Avoid over/under watering by checking the soil.

Fertilizing

Don't fertilize just after purchase. Fertilize after 2 weeks using half concentration.

Sunlight

Long flowering/fruiting plants need normal light. Shade transplants for a week, then move to normal light.

Save and print our adaptation tips card for quick and easy reference.

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Mandarin Orange

Repotting

Repotting potted plants: Wait until flowering/fruiting ends. Repotting in-ground plants: Be careful not to harm roots/soil.

Pruning

Prune residual flowers, and yellow/dead leaves. No other pruning at this time.

Watering

Water new plants more often for 2 weeks. Avoid over/under watering by checking the soil.

Fertilizing

Don't fertilize just after purchase. Fertilize after 2 weeks using half concentration.

Sunlight

Long flowering/fruiting plants need normal light. Shade transplants for a week, then move to normal light.

Plants with Same Care Needs

Black cherry

Black cherry (Prunus serotina) is a medium-sized, deciduous forest tree native to the Americas, but also naturalized in parts of Europe. It features inflorescence with small white blooms that become clusters of dark cherries, edible when pitted. Mature trees have gray-to-black, distinctly crackled bark. The glossy leaves are poisonous to livestock. It is a highly reproductive pioneer species with invasive potential.

Bloom Time

Spring

Common dandelion

*Taraxacum officinale*, widely known as common dandelion, is a herbaceous perennial that can be found in temperate regions all over the world, in habitats with moist soils. The most popular feature of this plant is its fruits, furry spheres that are easily carried by the wind. Although it is generally considered a weed, common dandelion is actually edible and very nutritious.

Bloom Time

Spring

Common hackberry

Common hackberry (Celtis occidentalis) is a medium-sized deciduous tree, native to North America. It looks similar to elms and some other hackberry trees at first glance, but you can distinguish it by looking at the bark - if it is verrucous and has corky texture, then it is probably common hackberry.

Bloom Time

Spring

Common buckthorn

Rhamnus cathartica, colloquially known as common buckthorn, is a deciduous shrub or small tree native to Europe. This plant is hazardous to humans and most animals; all parts of it are mildly poisonous. The fast-growing common buckthorn is considered an invasive species in certain parts of North America.

Bloom Time

Spring

Arborvitae

Northern white cedar (Thuja occidentalis) is a small- to medium-sized evergreen conifer native to North America, and can be found in a variety of environments, including forested wetlands and along cliffs. Essential oils are produced using northern white cedar, and it also finds use as an ornamental plant. Due to its increasing popularity in landscaping, more compact plants have been used to develop smaller strains.

Bloom Time

Spring

Sugarberry

Celtis laevigata, commonly known as sugarberry, is a deciduous medium-sized tree native to North America. It is often found near water - on floodplains, along rivers and streams. There are many species of birds, small mammals, and insects that use sugarberry's fruits and leaves as a source of food, which makes it a very important part of the ecosystem.

Bloom Time

Spring

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App

How to Care for Mandarin Orange

Symbolism

Auspiciousness and good luck

Water

Every 1-2 weeks

Sunlight

Full sun

Basic Care Guide

Water

Ground Mandarin orange watering

Potted Mandarin orange watering

Underwater and overwater

Never miss a care task again!

Plant care made easier than ever with our tailor-made smart care reminder.

What is the best way to water my Mandarin orange?

What should I do if I water my Mandarin orange too much or too little?

How often should I water my Mandarin orange?

How much water does my Mandarin orange need?

How can I tell if i'm watering my Mandarin orange enough?

How can I water my Mandarin orange at different growth stages?

How can I water my Mandarin orange through the seasons?

What's the difference between watering my Mandarin orange indoors vs outdoors?

Fertilizer

Why do I need to fertilize my Mandarin orange?

When is the best time to fertilize my Mandarin orange?

When should I avoid fertilizing my Mandarin orange?

What type of fertilizer does my Mandarin orange need?

How do I fertilize my Mandarin orange?

What happens if I fertilize my Mandarin orange too much?

Sunlight

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.

How many hours of sunlight does Mandarin orange need to grow?

What will happen if Mandarin orange doesn’t get enough sunlight?

What will happen if Mandarin orange gets too much sunlight?

How can you protect Mandarin orange from excessive sunlight?

Cautions and tips

Pruning

Is pruning necessary for my Mandarin orange?

When is the best time to prune my Mandarin orange?

How do I prune my Mandarin orange?

What should I do after pruning my Mandarin orange?

Advanced Care Guide

Temperature

What is the optimal temperature for Mandarin orange?

Should I adjust the temperature for Mandarin orange during different growing phases?

How can I keep Mandarin orange warm in cold seasons?

How can I save Mandarin orange from temperature damage?

Should I adjust the temperature for Mandarin orange in different seasons?

What damage will Mandarin orange suffer if the temperature is too high/low?

What tips and cautions should I keep in mind when it comes to temperature for Mandarin orange?

How can I keep Mandarin orange warm without a heat pad?

How can I provide Mandarin orange with an adequate temperature condition?

Under what conditions should I stop adjusting the temperature for Mandarin orange?

Soil

Propagation

Planting

Sharp scissors or gardening knife
Diluted bleach solution or isopropyl alcohol to clean tools
Rooting hormone (optional)
Pot(s) with drainage holes for planting
All-purpose potting soil for planting
Clear plastic bag (optional)

Potting Suggestions

Needs excellent drainage in pots.

Seasonal Care Tips

Seasonal Precautions

Spring

Summer

Fall

Winter

This plant and other temperate fruiting trees and shrubs require care in the early spring.

Prune back old growth but wait until after the last frost.

Spring is also the best time for planting, but do not fertilize new plants. Mature specimens will benefit from a monthly application of organic fertilizer.

Water the plant deeply every couple of weeks.

Container plants require sunlight in the spring. Move the container to a location receiving several hours of sunlight a day.

Fruiting temperate trees and shrubs like this plant benefit from care during the summer.

A monthly application of organic fertilizer throughout the summer helps to support growth and encourage fruiting.

Keep an eye on soil moisture, watering whenever the soil is beginning to dry out.

Remove any dead and dying leaves from the plant and around the base to help avoid issues with pests and diseases.

Prune back old growth to help avoid potential issues with broken branches.

Move container plants to a partially shady location if they are in a consistently sunny area.

You should provide frequent care to your plant throughout the fall.

Up until your plant reaches dormancy in the cold winter months, continue to water it in cases of little to no rainfall to ensure the soil stays moist and the plant stays productive.

Make sure it received plenty of direct sun as well.

Rake up any fallen fall foliage to deter pests and diseases, as bacteria can easily grow in the fallen leaves at the base of the plant.

While your plant is dormant in the winter, let it rest. You’ll need to provide only minimal care at this time.

Water your plant infrequently, providing it with water it only after the soil dries out to avoid waking it up.

At the very end of winter, before new growth begins, prune away dead, diseased, or overcrowded branches to jumpstart fresh growth in the spring.

If you have a potted variety, you can overwinter it indoors in bright sunlight, and you can possibly enjoy the harvest from your plant throughout the season.

Common Pests & Diseases

Common issues for Mandarin orange based on 10 million real cases

Nutrient deficiencies

A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.

Learn More

Brown spot

This infection can cause brown spots or patches to appear on the plant.

Learn More

Caterpillars

Caterpillars are fleshy moth or butterfly larvae that come in an array of colors, patterns, and even hairstyles. They chew on leaves and flower petals, creating large, irregular holes.

Learn More

Leaf deformity

Leaf deformities can have a variety of causes.

Learn More

Leaf beetles

Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.

Learn More

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.

More About Mandarin Orange

Plant Type

Shrub, Tree

Lifespan

Perennial

Spread

6 m

Bloom Time

Spring

Flower Color

White

Leaf Color

Green

Flower Size

1.5 cm

Plant Height

1 to 3 m

Name story

Mandarin orange

Usages

Environmental Protection Value

Mandarin oranges can produce oxygen and absorb carbon dioxide.

Garden Use

View More Info

Find your perfect green friends.

Plan your green oasis based on your criteria: plant type, pet safety, skill level, sites, and more.

Common Problems

When should I harvest mandarin orange?

Why are the leaves of my mandarin orange curled?

Lack of nutrients is possible as well: potassium deficiency results in yellowing leaves curling downward. Fertilize the mandarin orange and water well to promote nutrient absorption.

Caring for a New Plant

The following pictures and instructions for fruit plant are aimed to help your plants adapt and thrive in a new environment.

Picking a Healthy Fruit Plant

Check Its Health

Whole Plant

Symmetrical crown, evenly distributed branches, full and compact shape, no excessive growth, close internodes, and uniform leaf size.

Fruits

The fruit is closely attached and does not fall off easily when shaken. No disease spots.

Branches

The branches are not withered, and the trunk is free of boreholes or damage.

Stems

No mold, browning or soft rot at the base of the plant.

Leaves

Check the inside of the plant, shaded and overlapping areas, back of leaves. Even colour, no yellowing, no brown spots, no crawling insects, no cobwebs, no deformities, no wilting.

Health Troubleshooting

Whole Plant

Fruits

Branches

Stems

Leaves

1 Asymmetrical crown or missing, uneven branching: prune the weak and slender branches of the larger portion of the asymmetrical crown, then trim the overgrown larger branches.

2 Internodes are longer in the upper part, leaves are sparse and smaller on top: increase light intensity or duration.

1 Fruit drops easily: provide the plant with adequate light, but avoid direct sunlight during the afternoon. Be careful not to over-water or allow the soil to become too dry.

2 Spots or disease on the fruit: avoid getting water on the fruit. When watering, avoid wetting the fruit as much as possible.

1 Dry branches: check if the branch is still alive by peeling back a small section of bark and trim away any dry branches. Watch out for signs of insect infestation inside the branch.

2 Bark with holes: inject insecticide into the holes and apply systemic insecticide to the roots.

3 Damaged bark: brush on a wound-healing agent, and avoid getting it wet.

Mildew, browning, or soft rot at the base: place the plant in a ventilated, dry environment and water with fungicide.

1 Uneven leaf color and yellowing: prune yellow leaves and check if there are signs of rot at the base of the plant. Spray with fungicide for severe cases.

2 Brown spots or small yellow spots: place the plant in a ventilated area and avoid watering the leaves. Spray with fungicide for severe cases.

3 Tiny crawling insects on the back of leaves or spider webs between leaves: increase light exposure and spray with insecticide for severe cases.

4 Deformations or missing parts on leaves: determine if it's physical damage or pest infestation. Linear or tearing damage is physical, while the rest are pests. Spray with insecticide.

5 Wilting leaves: provide partial shade and avoid excessive sun exposure. Remove 1/3 to 1/2 of the leaves for severe cases.

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.

Check Its Growing Conditions

Soil Check

Soil should smell fresh like after a rain and no musty odor.

Light Check

Check the light requirement of the plant and if it match with planting location.

Ventilation Check

Ensure good ventilation.

Temperature Check

Ensure outdoor temperature is suitable for plants.

Condition Troubleshooting

Soil

Ideal Temperature

Ventilation

Suitable Light

Potting mix soil, Peat moss mix soil

Soil

Soil smells musty or foul: check the root system for decay, place the plant in a ventilated, dry environment, and water with fungicide.

0 to 35 ℃

Ideal Temperature

Temperature is too low: Temporarily move the plants indoors and then to outdoors when temperature is suitable.

Well Ventilated

Ventilation

Non-ventilated environment: can lead to root rot, diseases, and flower/fruit drop. Place the plants in an airy location avoiding dead spots.

Full sun, Partial sun

Suitable Light

Adapting Your New Fruit Plant

Step 1

Repotting

Potted plants - Wait until flowering and fruiting stage is over before changing pots. In-ground plants - Plant directly taking care not to harm root system or remove soil.

Step 2

Pruning

Prune residual flowers, yellow/dead leaves. No other pruning at this time.

Step 3

Watering

Step 4

Fertilizing

Don't fertilize just after purchase. Fertilize after 2 weeks using half concentration.

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.

Plants with Same Care Needs

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