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Home > Plant Care Guide > Sweet Osmanthus

How to Care for Sweet Osmanthus

Sweet osmanthus (Osmanthus fragrans) is a large evergreen flowering shrub. Sweet osmanthus's small white and orange flowers smell like apricots. This species is also referred to as by the Fragrant Tea Olive.

Symbolism

Love and Romance

Water

Every 1-2 weeks

Sunlight

Full sun

Basic Care Guide

Water

In its first year, the sweet osmanthus will need to be regularly and thoroughly watered from spring to fall. Check soil moisture 2-3 times a week - it should always feel slightly damp, but the roots of the plant should never be sitting in water, as this contributes to root rot. After the plant's first season, watering is only necessary during prolonged dry spells. If you notice that the leaves seem to be wilting when you have dry weather, this is a sign that it needs to be watered.

Ground Sweet osmanthus watering

When a Sweet osmanthus 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 Sweet osmanthus 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 Sweet osmanthus a full watering to prevent them from suffering stress.

Potted Sweet osmanthus watering

For potted plants, there are two main ways that you can determine how often to water your Sweet osmanthus . 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 Sweet osmanthus ’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 Sweet osmanthus . 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 Sweet osmanthus 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 Sweet osmanthus is planted in pots, overwatering is often more likely to.When you accidentally overwater your Sweet osmanthus , 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 Sweet osmanthus 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 Sweet osmanthus in soil that is well-draining. In the case of an underwatered Sweet osmanthus , 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, Sweet osmanthus can rely on rain most of the time.

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What is the best way to water my Sweet osmanthus?

Your Sweet osmanthus 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 Sweet osmanthus. 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 Sweet osmanthus. However, the Sweet osmanthus usually responds well to any kind of water you give it.

What should I do if I water my Sweet osmanthus too much or too little?

When your Sweet osmanthus is planted in pots, overwatering is often more likely to.When you accidentally overwater your Sweet osmanthus, 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 Sweet osmanthus 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 Sweet osmanthus in soil that is well-draining. In the case of an underwatered Sweet osmanthus, simply water this plant more frequently.

How often should I water my Sweet osmanthus?

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 Sweet osmanthus 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 Sweet osmanthus need?

When it comes time to water your Sweet osmanthus, 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 Sweet osmanthus 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 Sweet osmanthus 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 Sweet osmanthus is planted in an area that gets plenty of rain outdoors, it may not need additional watering. When the Sweet osmanthus 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 Sweet osmanthus a full watering to prevent them from suffering stress.

How can I tell if i'm watering my Sweet osmanthus enough?

Overwatering is a far more common problem for the Sweet osmanthus, and there are several signs you should look for when this occurs. Generally, an overwatered Sweet osmanthus 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 Sweet osmanthus 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 Sweet osmanthus.

How can I water my Sweet osmanthus at different growth stages?

When the Sweet osmanthus 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 Sweet osmanthus that you have transplanted to a new growing location. Also, the Sweet osmanthus can develop showy flowers and fruits when you give them the correct care. If your Sweet osmanthus 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 Sweet osmanthus through the seasons?

The seasonal changes will affect how often you water your Sweet osmanthus. 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 Sweet osmanthus 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 Sweet osmanthus indoors vs outdoors?

In some cases, your Sweet osmanthus 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

A young sweet osmanthus should be fertilized at planting, and then regularly during its first growing season. Choose a fertilizer high in phosphorous (this encourages root development), and follow recommended instructions. An established sweet osmanthus should be fertilized every 1-2 years in the spring with a slow-release shrub and tree food. Although nitrogen-rich fertilizers help to promote lush foliage, excess nitrogen reduces flowering, making an all-purpose formula best. Always stop fertilizing 2 weeks before your average first frost date - you don't want an early frost to damage any new growth.

It can be somewhat easy for a novice gardener to overlook Sweet osmanthus since these plants don't often produce showy flowers. However, the incredible leaf shapes and textures of Sweet osmanthus plants can make them as ornamentally appealing as any other plant in your garden. Growing Sweet osmanthus outdoors in your garden is not extremely difficult to do, but there are some insights that you must keep in mind while you care for this plant. Within your maintenance routine, correct fertilization will be crucial.

Regardless of which kind of Sweet osmanthus you own, regular fertilization will help you grow a plant that has great overall health. The proper supply of nutrients leads to more vigorous growth and can help your Sweet osmanthus be more resilient to tough growing conditions while also gaining a better ability to fight off diseases and pests. The foliage of your Sweet osmanthus is one of its most attractive features, which is why you should do all you can to keep it intact. Again, this means creating and adhering to a regular fertilization schedule that is specific to your Sweet osmanthus. Doing so will prompt your Sweet osmanthus to develop leaves with a deep color and a lush overall look.

The first time that you should fertilize your Sweet osmanthus is during the late winter or early spring. This type of fertilization gives your Sweet osmanthus all the nutrients it needs to resume healthy growth once the weather gets warm enough. It is also beneficial to many Sweet osmanthus to provide an additional fertilizer feeding during early fall if you in a warm climate region. Fertilizing in early fall not only adds additional nutrients to the soil, which your Sweet osmanthus will use in the following growing season, but it also helps your Sweet osmanthus be a bit more hardy and capable of surviving the winter cold without experiencing foliage damage. Earlier fertilisation will ensure that the new branches have enough time to grow to withstand the cold winter.

In most cases, the most important nutrient for a Sweet osmanthus is nitrogen, but that does not mean that phosphorus and potassium are unimportant. On the contrary, your Sweet osmanthus likely needs a decent amount of all three main nutrients, which is why a balanced fertilizer, such as a 10-10-10, can work well. However, a more nuanced ratio of nutrients often leads to optimal growth for a Sweet osmanthus. Often, fertilizers that are a bit higher in nitrogen work a bit better. For example, a ratio of 10-6-4 can often work well. When fertilizing, you can use a granular fertilizer or a liquid-based one. At times, a Sweet osmanthus may also need

To fertilize your Sweet osmanthus using a granular fertilizer, all you need to do is sprinkle the fertilizer on the soil at the correct time. The slow-release nature of granular fertilizer will release nutrients into the soil slowly over time. As is usually the case, it's best to water your Sweet osmanthus, at least lightly, before applying fertilizer. As an alternative, you can use a liquid fertilizer, but this is less common. To use this approach, mix your fertilizer with water, then pour the water onto the soil around the base of your Sweet osmanthus. At times, it is beneficial to perform a soil test before fertilizing to see if you will need to alter the pH at all.

Overfertilization is always a risk when you are feeding a Sweet osmanthus. Overfertilization is especially likely if you feed this plant at the wrong time of year, feed it too often, or feed it without watering the soil first. When overfertilization takes place, your Sweet osmanthus may begin to develop brown leaves. Your Sweet osmanthus can also show stunted growth in some cases. On the other hand, it is also possible that too much fertilizer can prompt your Sweet osmanthus to rapidly produce too much new growth, much of which will be weak and prone to breaking. Weak new wood can also detract from the overall form and structure of your Sweet osmanthus.

There are a few times during the year when you should not fertilize your Sweet osmanthus. The first time occurs during the early and mid-winter months, during which time your Sweet osmanthus will be dormant and in no need of feeding. It is also unwise to fertilize this plant during the late spring and all of the summer. During that time of year, the weather will likely be hotter and can be much dryer as well. Both conditions make it more likely that your Sweet osmanthus will have a very negative response to fertilization. To avoid such issues, stick to a fertilization schedule that involves feeding exclusively during early spring and early fall.

Why do I need to fertilize my Sweet osmanthus?

The foliage of your Sweet osmanthus is one of its most attractive features, which is why you should do all you can to keep it intact. Again, this means creating and adhering to a regular fertilization schedule that is specific to your Sweet osmanthus. Doing so will prompt your Sweet osmanthus to develop leaves with a deep color and a lush overall look.

When is the best time to fertilize my Sweet osmanthus?

It is also beneficial to many Sweet osmanthus to provide an additional fertilizer feeding during early fall if you in a warm climate region. Fertilizing in early fall not only adds additional nutrients to the soil, which your Sweet osmanthus will use in the following growing season, but it also helps your Sweet osmanthus be a bit more hardy and capable of surviving the winter cold without experiencing foliage damage. Earlier fertilisation will ensure that the new branches have enough time to grow to withstand the cold winter.

When should I avoid fertilizing my Sweet osmanthus?

It is also unwise to fertilize this plant during the late spring and all of the summer. During that time of year, the weather will likely be hotter and can be much dryer as well. Both conditions make it more likely that your Sweet osmanthus will have a very negative response to fertilization. To avoid such issues, stick to a fertilization schedule that involves feeding exclusively during early spring and early fall.

What type of fertilizer does my Sweet osmanthus need?

However, a more nuanced ratio of nutrients often leads to optimal growth for a Sweet osmanthus. Often, fertilizers that are a bit higher in nitrogen work a bit better. For example, a ratio of 10-6-4 can often work well. When fertilizing, you can use a granular fertilizer or a liquid-based one.

How do I fertilize my Sweet osmanthus?

As an alternative, you can use a liquid fertilizer, but this is less common. To use this approach, mix your fertilizer with water, then pour the water onto the soil around the base of your Sweet osmanthus. At times, it is beneficial to perform a soil test before fertilizing to see if you will need to alter the pH at all.

What happens if I fertilize my Sweet osmanthus too much?

When overfertilization takes place, your Sweet osmanthus may begin to develop brown leaves. Your Sweet osmanthus can also show stunted growth in some cases. On the other hand, it is also possible that too much fertilizer can prompt your Sweet osmanthus to rapidly produce too much new growth, much of which will be weak and prone to breaking. Weak new wood can also detract from the overall form and structure of your Sweet osmanthus.

Sunlight

Although the sweet osmanthus loves the sun, it will grow well in partial and full shade too. However, its growth habit will be much denser when given around 4-5 hours of sun a day. The exception is with variegated varieties - these tend to be bleach out if they receive too much sunlight, so try growing them in a location that provides some afternoon shade. If you live in a region with hot, dry summers, you will need to provide your sweet osmanthus with some shade from the powerful midday sun.

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How much/long should Sweet osmanthus get sunlight per day for healthy growth?

For healthy growth, make sure that Sweet osmanthus receives at least 3–6 hours of sun each day. This is actually a minimum requirement—most plants that can handle part sun can also thrive in full sun, but because they require less light for photosynthesis, they are more flexible than plants that require full sun or part shade.

What type of sunlight does Sweet osmanthus need?

Sweet osmanthus does best with exposure to full or part sun. They will perform best with direct morning light, but in summer they need protection from the strong afternoon sun. In temperate environments, too much hot afternoon sun can burn the leaves, damaging the plant's appearance and health.

Can sunlight damage Sweet osmanthus? How to protect Sweet osmanthus from the sun and heat damage?

Sweet osmanthus planted indoors can easily be damaged by direct sunlight when it's moved outdoors. The best way to prevent sunburns from overexposure is to move pots gradually from a shaded area to a brighter spot, gradually. But even plants that are acclimated to the summer sun can be damaged by extreme heat. In a heatwave, it is important to keep the soil consistently moist so that plants can cope with excessive levels of heat. Moving plants in containers to areas with afternoon shade or erecting a shade cloth over them can protect sensitive Sweet osmanthus during extreme weather events.

Does Sweet osmanthus need to avoid sun exposure? / Should I protect Sweet osmanthus from the sun?

While bright morning sun and some full sun exposure can be highly beneficial for Sweet osmanthus, the harsh, hot midday sun of summer can be too much to handle.

If planted in the ground, the summer sun will usually ramp up slowly enough through the season for Sweet osmanthus to gradually adapt to its intensity. But a potted plant that has been indoors or in a protected location will often suffer injury when placed suddenly into a location where the direct summer sun reaches it in the hottest part of the day.

To protect this plant from the brutal afternoon summer sun, plant or place it in an understory location where it is shaded at midday by taller trees and plants or by a building or landscape feature.

What will happen if Sweet osmanthus gets inadequate sunlight?

When Sweet osmanthus receives too little sun, they may become pale green or display drooping, yellow leaves. While some leaf drop is normal, if leaves are dropping but no new ones are growing in to replace them, it is a sign that something is wrong. If Sweet osmanthus receiving inadequate light does manage to grow, the new growth is often spindly, pale, and prone to insect infestation. Paying attention to these signs and changing the lighting conditions of the plant will make a significant difference.

Does Sweet osmanthus need special care about sunlight during its different growth stages?

Tender, new leaves are especially sensitive to sunburn. Bearing this in mind, very young Sweet osmanthus and when it's in a strong growth phase, such as in late spring and early summer, will be more sensitive to harsh sun and heat than the mature one or those in a more dormant fall growth stage. Sweet osmanthus fresh from a nursery is also usually not prepared for strong full sunlight and must be introduced to it slowly.

Are there any cautions or tips for sunlight and Sweet osmanthus?

Recently transplanted Sweet osmanthus will often experience a bit of shock and will need to be cared for carefully, either shaded from bright afternoon sun or placed in a protected area. On very hot days, you may see the leaves of Sweet osmanthus drooping—this is usually nothing to worry about. Plants will send the water in their leaves down into their roots to protect them from burning. However, if the leaves are still drooping in the evening or the next morning, the plant needs water. Always avoid watering during the hottest times of day, as sunlight can hit wet leaves and scorch them easily.

Sweet osmanthus that has been underwatered will be weaker than that with consistently moist soil. This can leave it with weak roots that are unable to protect the leaves on hot, sunny summer days by diverting water away from the leaves. Care for an underwatered plant by giving it a long, deep watering and then allowing the top two inches of soil to dry out before the next watering. Even if it loses its leaves, if cared for properly it will grow new ones.

Pruning

The sweet osmanthus requires very little pruning, but this best done at the end of winter/early spring - if you prune too soon, the branches could end up freezing.

Begin by removing any diseased or dead branches, correctly disposing of any diseased plant material. To prune for shape, pick a few large, inner stems and cut them near to a main branch. this not only encourages good circulation within the plant, but also promotes new growth, giving the sweet osmanthus a fuller appearance. To prune a hedge, shear the plants each year, slightly lower than where you want it to be once its leaves grow in.

Do I need to prune my Sweet osmanthus?

Sweet osmanthus, like most other evergreen trees, absolutely need to be pruned in order for them to grow as happy, healthy trees. Of course, there are lots of reasons that pruning is important, so we’ll talk about those in greater detail. Pruning opens up the inner canopy to airflow and sunlight. Without keeping these pathways open, the inner canopy will be starved of sunlight and air. Therefore, pruning your Sweet osmanthus is not only advantageous, but it also weakens the impact of pests and infections by separating branches from one another. These benefits are far too easy to reap with Sweet osmanthus to neglect them. Aside from keeping your Sweet osmanthus happier and healthier, pruning just makes things look nice and tidy. Who doesn’t love a well-kept tree, anyway?

When is the best time to prune my Sweet osmanthus?

Sweet osmanthus can be pruned at different times depending on whether they’re grown indoors or outdoors. For outdoor trees, pruning and trimming should be done when the tree is not actively growing; this generally falls under the colder months of winter, but can vary depending on where you live. However, if you’re growing your Sweet osmanthus indoors, there are lots of different times of the year when it’s okay to trim lightly. For example, if you’re planning on trimming a bit off the top of just one or two smaller branches, then you can trim nearly anytime. For heavier pruning on indoor Sweet osmanthus, it’s best to wait until those same colder months when outdoor Sweet osmanthus wouldn’t normally be actively growing. Sweet osmanthus should be pruned as needed. Typically, these trees should be pruned to remove any damaged, yellowing, dying, or dead foliage. It is also necessary to prune this plant to remove any shoots that are congested or are crossing.

What should I do after pruning my Sweet osmanthus?

In order to keep your Sweet osmanthus growing strong, remove any branches or debris that landed at the base of the tree. Keeping the area clear can prevent weeds and underbrush from crowding out the tree, especially if it’s young. Another great tip is to use raw, organic honey to treat large open wounds on the Sweet osmanthus where branches were trimmed. The use of honey prevents any pathogens or potential pests from making their way in. It’s also a good idea to water a little extra after pruning for a week or two. Providing them with a little extra water helps them build natural calluses over the exposed core faster, so they can get back to growing into large, Sweet osmanthus!

How can I prune my Sweet osmanthus: tips and techniques?

While most of the Sweet osmanthus won’t need to be pruned until they develop some substantial height, sometimes their branches get a little carried away in the wrong direction. This is why this part of the Sweet osmanthus needs to be pruned in good time. Tools In order to prune your Sweet osmanthus properly, you’ll need the proper pruning tools. While smaller plant shears and garden scissors may not cut it (pun intended), handheld clippers, pruners and loppers will certainly help out. For very tall branches that are out of safe reach, use a pole saw with the necessary safety equipment. It’s also a good idea to wear gloves while pruning to avoid any splinters or cuts in general. How to Prune To prune your Sweet osmanthus, first cut away any dead, dying or diseased branches. Look for pests, irregular growth patterns, and brittle branches or leaves. Snip these off at the branch collar, where the branch intersection is, without scoring the main branch. Next, be on the lookout for extra long branches or leaves that may not be able to support a lot of weight. These branches or leaves will be too heavy and grow downwards, so this can be trimmed back if necessary. Try to find all of the branches that grow either directly up (that are not the primary trunk) and those that grow directly downward. These branches will become an issue because they can effectively block out light and air from inner branches. Trim these back to the branches they stem from as well. If there’s not much space within the canopy for light to reach the center of the tree, you can trim away some excess foliage to make windows for light to shine in.

Advanced Care Guide

Temperature

Sweet osmanthus is able to tolerate temperatures down to -18 ℃ but will need some protection from sub-freezing winds. The sweet osmanthus loves the heat, and is drought-tolerant once established, but doesn't do well in low-humidity environments. In order to thrive, the plant needs a relative humidity of around 70%.

What is the optimal temperature for Sweet osmanthus?

The best temperature for Sweet osmanthus to thrive is 65~80℉(18~27℃). During the primary growing phase, the highest temperature tolerable would be 95℉(35℃), while the lowest tolerable temperature would be 15℉(-10℃). This species is tolerant of low temperatures and will survive freezing winters. The perfect, highest, and lowest temperature range:

Perfect：65~80℉(18~27℃)

Highest：85~95℉(30~35℃)

Lowest：-5~15℉(-20~-10℃) or below

Should I adjust the temperature for Sweet osmanthus during different growing phases?

Research shows that Sweet osmanthus will begin to exhibit signs of stunted growth during prolonged periods of higher temperatures, especially during the development of axillary buds and the growth of main shoots. Keeping the temperatures consistent and cooler, around 65℉(18℃), will encourage vigorous growth after germination or transplanting.

How can I keep Sweet osmanthus warm in cold seasons?

Sweet osmanthus can withstand freezing temperatures when planted in the ground in areas that don’t get below of 15℉(-10℃) as an extreme temperature during the winter months. But if planted in pots or containers, then their roots must be protected from the winter cold. Do this by wrapping the container in a blanket or bringing it inside where it will be fully protected from the elements.

What damage will Sweet osmanthus suffer if the temperature is too high/low?

Greater harm will come to Sweet osmanthus if the temperature is consistently too high versus too low.

If Sweet osmanthus gets too hot, seed germination and photosynthesis efficiency is lessened due to hormone triggers caused by heat stress. The plant will show signs through wilting, leaf browning, and potentially death.

If Sweet osmanthus gets too cold, plant functions such as nutrient uptake and photosynthesis will cease, resulting in the possible death of the plant. If a single freezing event occurs during the growing season, then a membrane phase transition might occur, which can cause a cease in plant functions and death of the plant.

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

Keeping the soil temperature consistent is one of the most important strategies to keeping Sweet osmanthus healthy, which leads to successful budding, flowering, and new growth. Do this by consistently watering, adding mulch to bare soil, and planting in the shade.

How can I keep Sweet osmanthus warm without a heat pad?

Due to the cold tolerance of Sweet osmanthus, heating pads will not be necessary if planted outside in the ground. If the plant is in an outdoor pot, then bring it inside a heated house and place it in a sunny window during the winter months.

How can I provide Sweet osmanthus with an adequate temperature condition?

To ensure adequate temperature conditions are present, plant Sweet osmanthus in an area with partial shade. If possible, use afternoon shade to provide the best protection during the hottest part of the day. This will also result in lower temperatures in the soil due to increased moisture retention. If Sweet osmanthus is planted indoors, then keep the container away from windows and out of direct sunlight during the summer months to prevent the soil temperature from spiking daily.

How can I save Sweet osmanthus from temperature damage?

During the summer or times of high heat, give Sweet osmanthus extra shade and water to help cool its leaves, roots, and soil. During cold snaps or growing season freezes, cover sensitive budding vegetation with frost cloth or water using sprinkler systems. If it’s only nearing freezing temperatures for a short period, then water during the day several hours before the freeze. If the temperature is predicted to remain below freezing for an extended period, then keep the sprinkler running until the temperature rises above freezing the following day.

Should I adjust the temperature for Sweet osmanthus in different seasons?

Sweet osmanthus is a mid-temperature plant that can easily tolerate the typical fluctuations of the seasons and remain a hardy species when planted in maintained landscapes areas, containers, or indoors. Therefore, adjusting the temperature during the different seasons is unnecessary for primary growth. If flowering is stunted or impeded, then allowing the plant to experience a season of winter freeze could help to revive flowering.

Under what conditions should I stop adjusting the temperature for Sweet osmanthus?

If it becomes too difficult to lower the temperature for an indoor plant during the summer, then plant it outside in the ground or in a container. Make sure to plant Sweet osmanthus in a shaded location and water often to keep the soil moist.

Soil

The sweet osmanthus will grow in just about any soil type, so long as it is well-draining. However, for your plant to really thrive, grow it in rich, fertile soil, with a pH leaning towards the alkaline side, around 5-7.5. Heavy clay soils can be amended with compost or coarse sand to improve drainage. Although the plant may grow in clay soil that hasn't been amended, poor drainage will usually end up causing root rot and other diseases.

If you plan on growing your sweet osmanthus in a container, use a good quality potting mix or potting soil, or a 50/50 combination of the two. Mixing in some pumice can help to improve drainage even further.

Propagation

Planting

The sweet osmanthus is best propagated through semi-ripe cuttings, which should be taken in the late summer. Choose healthy stem tips and trim off about 7 to 8 cm, before treating the base of your cuttings with rooting powder. Fill a tray with gritty compost and insert cuttings. Water well and keep moist until roots develop, which usually takes about 5 weeks. Keeping your cuttings in a heated propagator will help to increase survival rates.

Propagating a tree by yourself is difficult, but that doesn't mean it can't be done. If you are interested in this, you can read on.

Tree propagation can be done by cuttings, which is easy to do. Sweet osmanthus can be propagated during spring. It can be done successfully at other times, provided you avoid taking cuttings during severely cold periods. The ending of the dormant season is the most likely to be successful. When propagating Sweet osmanthus, be sure your cutting tool is large enough and sharp enough to cut cleanly through the shoots. Using a dull tool can crush or tear the plant, which can lead to infection and disease.

Sharp garden pruners
Diluted bleach solution or isopropyl alcohol to clean tools
Rooting hormone (optional but recommended)
Deep container(s) with drainage holes for planting
Well-draining planting medium such as pine bark, perlite, or a potting soil mix

Steps: Step 1: Choose healthy shoots that are about as thick as a pencil for your propagation and 6 to 8 inches long, preferably from the previous year’s growth. Once you have identified your cuttings, use disinfected garden pruners to cut off the bud tip and take the remaining branch of the front section about 7-8 inches. If you are not putting them into containers immediately, keep the cuttings moist until you are able to pot them. TIP: Pay attention to which side is up when you are taking cuttings - it can be difficult to tell when there are no leaves Step 2: Prepare your containers by filling them with the planting medium. Adding compost to the soil can facilitate plant rooting. Step 3: Dip the bottom of your Sweet osmanthus into rooting hormone, then insert one-third to two-thirds of the cutting into the substrate. Plant them about 2 inches apart. You should be able to plant as many as 10 to 12, depending on your container size. Step 4: Water thoroughly, making sure the potting medium is evenly moist but allowing it to drain. Step 5: Water occasionally to make sure the soil doesn’t dry out completely. Start watering more often as days get warmer in the spring. It is recommended that you place the cuttings in a garage or outdoor incubator after cutting if the winter temperatures in your area are low. Step 6: Move the containers outside to a spot that gets partial sun after the last frost. You can expect to see new leaves on your Sweet osmanthus around the later of spring. It’s important to be patient with this process because it is quite slow. In fact, it can take a year or longer for Sweet osmanthus to be ready to be transplanted. Luckily there isn’t much maintenance during this time, and the process has a high likelihood of success. Even if your Sweet osmanthus is putting out new growth, they may not be ready to be planted into the ground just yet. It is more important that there are plenty of healthy roots growing. The roots should be at least 3 inches long, but many people like to wait until roots start to grow out of the drainage holes to be sure that there is a proper root system. Air layering also works to propagate trees successfully, but the procedure is relatively complicated. Pay attention to the age of the branch you want to propagate to know when to start air layering. If you're working with a branch that is old-growth, preferably from the previous year’s growth, spring is the best time for layering. If your chosen branch is new growth, mid-summer is your best bet. These warm months are the best time to encourage new root growth in your plants. A pencil-thick branch could be a good choice. Since air layering is a little more complicated than other types of layering, you’ll need a few extra tools before you begin the process. Make sure you have everything on hand and then begin!

A sharp, sanitized knife
Peat moss for wrapping
Plastic wrap for wrapping
Rubber bands or twist ties
(optional) aluminum foil
(optional) plant growth hormones

Steps: Step 1: Choose a thick upper stem and clear off the leaves around a chosen node. Step 2:Below this node, ring peel the plant to a length of 0.5 to 1 inches, completely stripping the bark of the plant. It is necessary to pay attention to safety of the plant when ring stripping. Step 3: Apply moist (not wet) peat moss to the cut area. Hold the moss in place by tightly wrapping the area with plastic wrap and ties. Apply an extra layer of aluminum foil for sun protection if needed. Step 4: Remove the stem for propagation once the peat moss is visibly filled with roots. Make sure the wrapped moss is moist during rooting. Use a syringe to inject water if you find that the peat moss is already dry.

The sweet osmanthus is usually purchased as a potted plant, meaning that it can be planted throughout the year. However, fall is the best season for planting, as the winter months help to speed up root development. The best location for it in your garden would be somewhere sunny or partially shaded, with protection from cold winds. Each plant will also need about 2 m of space all around it.

To plant your sweet osmanthus, dig a hole that's 2-3 times wider than the plant's root ball, but no deeper. In fact, the wider the better! If you need to amend your soil before planting to improve drainage, remove 25% of the native soil and replace with composted cow manure or a good planting mix. Then, place your plant into the hole, ensuring that the top edge of the root ball is about 2.5 cm above the surface of the soil. Fill in the hole and tamp down, before deeply watering. You can also apply a phosphorous-rich fertilizer at this stage.

Seasonal Care Tips

Seasonal Precautions

Make sure that you give your sweet osmanthus plenty of water during a hot and dry summer.

Spring

Summer

Fall

Winter

This plant and other temperate flowering trees, vines, and shrubs often benefit from early spring care.

Spring care includes pruning to remove dead branches. Be careful not to cut away any buds, it will reduce flowering.

Apply a balanced, all-purpose fertilizer to support healthy growth.

Pay attention to soil moisture levels, and water whenever the top layer of soil is beginning to dry out.

Ensure container plants are receiving enough sunlight. Move the plants to a location receiving around six hours of sunlight a day.

Temperate flowering trees, vines, and shrubs like this plant require more care in the summer.

Frequent watering in the summer is a must in most climates, especially in the south. Check the soil’s moisture levels daily, watering when it is beginning to dry out.

Stop fertilizing in the summer while the plant is not in bloom.

summer is the ideal time to remove any spent blooms to encourage re-flowering in the fall.

Move container plants out of the bright sunlight.

Keep an eye out for pests and diseases. Removing plant debris from the area can help with any potential issues.

Your plant needs a bit of care in the autumn months to keep it looking its best and prepare it for winter.

In the late fall, you can give your plant a good prune. Remove any low-hanging or overcrowding branches, along with energy-sapping suckers, to keep the plant growing strong throughout the season.

Clean up any fallen leaves around the plant, as these leaves can cause harmful bacteria to grow around the plant.

Provide it with enough water to keep the soil moist, watering whenever the soil becomes dry.

Make sure it's exposed to strong sunlight and has some shade in the afternoon.

Watch out for any pests and diseases, such as mildew that looks like a powdery coating on the plant.

This plant requires some careful care during the winter.

It's important for your plant to be exposed to cold winter weather during this season, which will help boost its production in the spring, in a process sometimes called “chilling” your plant. Therefore, don't worry about keeping these plants warm or bringing them inside.

You may want to take this dormant time to prune away overcrowding, dead, or diseased parts, however.

Common Pests & Diseases

Common issues for Sweet osmanthus based on 10 million real cases

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.

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.

Aged yellow and dry

Natural aging can cause leaves to turn yellow and dry out.

Solutions: If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.

Powdery Mildew

Powdery mildew is a white mold that appears on leaves. It can be wiped away.

Solutions: As powdery Mildew spores are transported by the wind, it can be tricky to put a complete stop to the spread of the fungus. Luckily, there are several easy treatments for plants that are exhibiting symptoms: If powdery Mildew seems to be impacting isolated leaves or stems, they can simply be trimmed away and disposed of. Disinfect pruning tools after doing this. Remove any plant debris from the ground around the infected plants and dispose of it in the garbage. Then, cover the soil with a thick layer of mulch to limit reinfection. Milk sprays have been found to be useful in controlling powdery Mildew. Make up a spray consisting of 60% water and 40% milk and spray on the affected plants. This can also be used as a preventative measure. In cases where powdery Mildew is more widespread, plants can be sprayed with a mild sulfur- or copper-based fungicide or a non-toxic solution made from baking soda and soap. Sprays can help areas that have been recently infected, though they are less effective against well-established infections. If possible, try transplanting the plants to a sunnier location. Though powdery Mildew does fine in hot, dry conditions, it is unable to reproduce without some humidity. Putting plants in more direct sunlight can help stop the spread of the fungus. Trimming around closely-packed plants can help improve airflow, which also prevents the reproduction of the fungus.

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.

Treat and prevent plant diseases.

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

More About Sweet Osmanthus

Plant Type

Tree, Shrub

Lifespan

Perennial

Spread

3 to 4 m

Bloom Time

Mid summer, Late summer, Early fall, Mid fall

Flower Color

White

Orange

Leaf Color

Green

Flower Size

2.5 cm

Plant Height

3 to 18 m

Name story

Sweet osmanthus

The genus name Osmanthus comes from the Greek osma, meaning fragrant while anthos, meaning flower. Osmanthus fragrans certainly lives up to this name for having exquisitely scented flowers. Because of this sweet scent, it is called sweet osmanthus.

Usages

Garden Use

Sweet osmanthus is a common evergreen tree or small shrub that is delighted for its peachy fragrance and profuse flowers. With its tolerance of pruning, it can be used to make a hedge, screen, or border, and can be allowed to grow freely into a specimen piece. Sweet osmanthus may also be grown as a houseplant to add natural fragrance to the home. Perfect in East Asian gardens or as a lawn tree. Grows well with Edgeworthia chrysantha.

View More Info

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Common Problems

The leaves on my sweet osmanthus are turning yellow/brown - what do I do?

The most common cause of this is leaf scorch, which can happen due to a combination of a long spell of dry weather and inconsistent watering. During dry spells, make sure that you are watering your plants deeply enough. If not, the roots will rise to the surface in search of water, which will weaken your plant. Avoid watering from above too as this contributes to leaf scorch. Instead, water at the base of the plant - this will also ensure that the dense canopy doesn't prevent the soil from absorbing moisture.

Why hasn't my sweet osmanthus flowered this year?

There could be a few reasons for this, with the most common being soggy soil and over-fertilization. Improving drainage and adjusting your fertilization regime can help to encourage flowering next year. An abnormally cold spell may have also damaged the plant, but it should re-bloom in a couple of seasons. If you pruned your sweet osmanthus in the late spring or summer, then chances are that you have cut away your plant's flower buds. Always save pruning for late winter/early spring.

Caring for a New Plant

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

Picking a Healthy Woody Plant

Check Its Health

Whole Plant

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

Branches

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

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.

Stems

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

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.

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

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.

Temperature Check

Check if the current outdoor temperature is too low or too high.

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

-10 to 35 ℃

Outdoor temperature is not suitable for the plant: wait until it's a more favorable temperature for growth.

Suitable Light

Full sun, Partial sun

Insufficient light: Lack of light can result in fewer leaves and branches, and prevent flowering. Move plant to sunnier spot if possible.

Transplant recovery: After 3 days without severe wilting, slowly increase light to normal levels over a week. If plant droops or sheds leaves, keep it in shade. Once wilting stops, give shade until the plant stands up again. Lots of yellowing and leaf loss mean the light is too low and needs to be increased.

Adapting Your New Woody Plant

Step 1

Repotting

Plant your plant promptly in its final location or in a new pot, if conditions are suitable. When transplanting, clean the roots of the plant and keep the root system intact. Prune any blackened or rotten roots, spread out a heavily tangled root system, and mix in some well-rotted organic fertilizer. Use permeable soil and water thoroughly after planting.

Step 2

Pruning

Remove yellow or diseased leaves immediately. If leaves are crowded and appear wilted or falling off, remove some of them. For bare-root plants, cut off at least half of the leaves. Pruning is not typically required.

Step 3

Watering

Increase watering in the first week to keep soil moist. Water when soil is slightly dry, for at least 2 weeks. Avoid over-watering. Do not water when there is water on your fingers after touching the soil.

Step 4

Fertilizing

Add a small amount of base fertilizer during transplanting or repotting. No other fertilizer needed for the first month.

Know the light your plants really get.

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

Sweet Osmanthus

Repotting

Plant promptly in final location or new pot. Clean roots, use organic fertilizer, permeable soil, and water thoroughly.

Pruning

Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.

Watering

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

Fertilizing

Add base fertilizer during transplanting. No other fertilizer is needed for the first month.

Sunlight

Regular sun exposure for indoor plants. Shade after transplanting/repotting, then gradually increase light if there is no wilting. Increase light if yellowing and leaf drop occur.

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

Download

Sweet Osmanthus

Repotting

Plant promptly in final location or new pot. Clean roots, use organic fertilizer, permeable soil, and water thoroughly.

Pruning

Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.

Watering

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

Fertilizing

Add base fertilizer during transplanting. No other fertilizer is needed for the first month.

Sunlight

Regular sun exposure for indoor plants. Shade after transplanting/repotting, then gradually increase light if there is no wilting. Increase light if yellowing and leaf drop occur.

Plants with Same Care Needs

Canada goldenrod

The Solidago canadensis, colloquially known as canada goldenrod, is a perennial herb native to North America. This plant can be found growing in a variety of different habitats, and it often forms colonies. In many parts of Europe and East Asia, canada goldenrod is considered an invasive species.

Bloom Time

Mid summer

View More Plants

Botanist in your pocket

App

How to Care for Sweet Osmanthus

Symbolism

Love and Romance

Water

Every 1-2 weeks

Sunlight

Full sun

Basic Care Guide

Water

Ground Sweet osmanthus watering

Potted Sweet osmanthus 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 Sweet osmanthus?

What should I do if I water my Sweet osmanthus too much or too little?

How often should I water my Sweet osmanthus?

How much water does my Sweet osmanthus need?

How can I tell if i'm watering my Sweet osmanthus enough?

How can I water my Sweet osmanthus at different growth stages?

How can I water my Sweet osmanthus through the seasons?

What's the difference between watering my Sweet osmanthus indoors vs outdoors?

Fertilizer

Why do I need to fertilize my Sweet osmanthus?

When is the best time to fertilize my Sweet osmanthus?

When should I avoid fertilizing my Sweet osmanthus?

What type of fertilizer does my Sweet osmanthus need?

How do I fertilize my Sweet osmanthus?

What happens if I fertilize my Sweet osmanthus 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 much/long should Sweet osmanthus get sunlight per day for healthy growth?

What type of sunlight does Sweet osmanthus need?

Can sunlight damage Sweet osmanthus? How to protect Sweet osmanthus from the sun and heat damage?

Does Sweet osmanthus need to avoid sun exposure? / Should I protect Sweet osmanthus from the sun?

What will happen if Sweet osmanthus gets inadequate sunlight?

Does Sweet osmanthus need special care about sunlight during its different growth stages?

Are there any cautions or tips for sunlight and Sweet osmanthus?

Pruning

The sweet osmanthus requires very little pruning, but this best done at the end of winter/early spring - if you prune too soon, the branches could end up freezing.

Do I need to prune my Sweet osmanthus?

When is the best time to prune my Sweet osmanthus?

What should I do after pruning my Sweet osmanthus?

How can I prune my Sweet osmanthus: tips and techniques?

Advanced Care Guide

Temperature

What is the optimal temperature for Sweet osmanthus?

Should I adjust the temperature for Sweet osmanthus during different growing phases?

How can I keep Sweet osmanthus warm in cold seasons?

What damage will Sweet osmanthus suffer if the temperature is too high/low?

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

How can I keep Sweet osmanthus warm without a heat pad?

How can I provide Sweet osmanthus with an adequate temperature condition?

How can I save Sweet osmanthus from temperature damage?

Should I adjust the temperature for Sweet osmanthus in different seasons?

Under what conditions should I stop adjusting the temperature for Sweet osmanthus?

Soil

Propagation

Planting

Propagating a tree by yourself is difficult, but that doesn't mean it can't be done. If you are interested in this, you can read on.

Sharp garden pruners
Diluted bleach solution or isopropyl alcohol to clean tools
Rooting hormone (optional but recommended)
Deep container(s) with drainage holes for planting
Well-draining planting medium such as pine bark, perlite, or a potting soil mix

A sharp, sanitized knife
Peat moss for wrapping
Plastic wrap for wrapping
Rubber bands or twist ties
(optional) aluminum foil
(optional) plant growth hormones

Seasonal Care Tips

Seasonal Precautions

Make sure that you give your sweet osmanthus plenty of water during a hot and dry summer.

Spring

Summer

Fall

Winter

This plant and other temperate flowering trees, vines, and shrubs often benefit from early spring care.

Spring care includes pruning to remove dead branches. Be careful not to cut away any buds, it will reduce flowering.

Apply a balanced, all-purpose fertilizer to support healthy growth.

Pay attention to soil moisture levels, and water whenever the top layer of soil is beginning to dry out.

Ensure container plants are receiving enough sunlight. Move the plants to a location receiving around six hours of sunlight a day.

Temperate flowering trees, vines, and shrubs like this plant require more care in the summer.

Frequent watering in the summer is a must in most climates, especially in the south. Check the soil’s moisture levels daily, watering when it is beginning to dry out.

Stop fertilizing in the summer while the plant is not in bloom.

summer is the ideal time to remove any spent blooms to encourage re-flowering in the fall.

Move container plants out of the bright sunlight.

Keep an eye out for pests and diseases. Removing plant debris from the area can help with any potential issues.

Your plant needs a bit of care in the autumn months to keep it looking its best and prepare it for winter.

In the late fall, you can give your plant a good prune. Remove any low-hanging or overcrowding branches, along with energy-sapping suckers, to keep the plant growing strong throughout the season.

Clean up any fallen leaves around the plant, as these leaves can cause harmful bacteria to grow around the plant.

Provide it with enough water to keep the soil moist, watering whenever the soil becomes dry.

Make sure it's exposed to strong sunlight and has some shade in the afternoon.

Watch out for any pests and diseases, such as mildew that looks like a powdery coating on the plant.

This plant requires some careful care during the winter.

You may want to take this dormant time to prune away overcrowding, dead, or diseased parts, however.

Common Pests & Diseases

Common issues for Sweet osmanthus based on 10 million real cases

Brown spot

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

Learn More

Leaf deformity

Leaf deformities can have a variety of causes.

Learn More

Aged yellow and dry

Natural aging can cause leaves to turn yellow and dry out.

Learn More

Powdery Mildew

Powdery mildew is a white mold that appears on leaves. It can be wiped away.

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 Sweet Osmanthus

Plant Type

Tree, Shrub

Lifespan

Perennial

Spread

3 to 4 m

Bloom Time

Mid summer, Late summer, Early fall, Mid fall

Flower Color

White

Orange

Leaf Color

Green

Flower Size

2.5 cm

Plant Height

3 to 18 m

Name story

Sweet osmanthus

Usages

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

The leaves on my sweet osmanthus are turning yellow/brown - what do I do?

Why hasn't my sweet osmanthus flowered this year?

Caring for a New Plant

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

Picking a Healthy Woody Plant

Check Its Health

Whole Plant

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

Branches

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

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.

Stems

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

Health Troubleshooting

Whole Plant

Branches

Stems

Leaves

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

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

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.

Temperature Check

Check if the current outdoor temperature is too low or too high.

Condition Troubleshooting

Soil

Ideal Temperature

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.

-10 to 35 ℃

Ideal Temperature

Outdoor temperature is not suitable for the plant: wait until it's a more favorable temperature for growth.

Full sun, Partial sun

Suitable Light

Insufficient light: Lack of light can result in fewer leaves and branches, and prevent flowering. Move plant to sunnier spot if possible.

Adapting Your New Woody Plant

Step 1

Repotting

Step 2

Pruning

Step 3

Watering

Step 4

Fertilizing

Add a small amount of base fertilizer during transplanting or repotting. No other fertilizer needed for the first month.

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

Canada goldenrod

Solidago canadensis

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_fbp	Facebook Pixel	A conversion pixel tracking that we use for retargeting campaigns. Learn more here.	1 Year
_adj	Adjust	This cookie provides mobile analytics and attribution services that enable us to measure and analyze the effectiveness of marketing campaigns, certain events and actions within the Application. Learn more here.	1 Year