This page looks better in the app
Star jasmine
Trachelospermum jasminoides
What Does Over-Wintering Mean for Star Jasmine?
Star jasmine hails from East Asia's warmer climes, naturally flourishing sans frost. Adapting to cool winters, it enters semi-dormancy, requiring limited care. However, gardeners growing star jasmine in frost-prone areas should protect the plant with a frost cloth or move it indoors for the winter season. Regular water intake must be maintained, but avoid waterlogged conditions. Pruning, though optional, is best completed before winter's onset.
What Are the Key Considerations for Over-Wintering Star Jasmine?
Growth Habits and Other Factors
Star jasmine is a hardy, evergreen plant that tends to be semi-dormant during winter months, meaning the overall care needs will be reduced. However, this plant still requires proper winter care to ensure its health and longevity. During winter, ensure star jasmine is watered less frequently, only when the top layer of soil feels dry to the touch as overwatering can cause root rot. Since star jasmine is not a true jasmine, it can withstand cooler temperatures better than other jasmine species, but it's still sensitive to frost. Therefore, if temperatures are expected to drop below freezing, layering mulch at the base of the plant or covering it with a frost cloth can protect it.
Unique Care Requirements
Star jasmine is sensitive to light but can tolerate partial shade. However, during the winter months, it's important to provide it with as much sunlight as possible to promote healthy growth. Additionally, star jasmine is susceptible to root rot, especially in cooler temperatures or overly wet soil. Make sure to plant it in well-draining soil and be especially careful about over-watering during winter. Lastly, while star jasmine is generally pest-resistant, it can occasionally be affected by scale insects. Regularly check foliage for these pests, as lower winter activity can make star jasmine more susceptible.
Particular Sensitivities
Star jasmine has a vigorous, climbing growth habit, which means it can become quite large if not properly pruned. Late winter or early spring is the optimal time for pruning: it helps to control the size, stimulate new growth, and can enhance flowering in the spring. Furthermore, star jasmine may grow slower during winter due to reduced light and temperatures. Don't worry if it looks like it's not growing as much as normal – this is a typical behavior for this plant over the winter period.
What Are the Distinct Practices for Successful Over-Wintering of Star Jasmine?
Indoor Distinct Practices

Indoors, star jasmine prefers bright, indirect sunlight. Place the plant near a south-facing window with filtered light. Regular misting helps maintain humidity, crucial in indoor settings, especially during winter. Keep the soil moist but not waterlogged. Indoor temperatures should ideally be between 15 and 18 degrees Celsius.

Outdoor Distinct Practices

Outdoors, star jasmine can handle full sun exposure but appreciates some afternoon shade in particularly hot climates. You should provide a moderate amount of water to avoid water stratification. Using mulch will help maintain soil warmth and prevent root freezing. If the temperatures drop significantly, you may need to move star jasmine to a more sheltered location or use a plant cover. Outdoor climate should ideally be above 0 degrees Celsius.
What Are the Challenges and Advantages of Over-Wintering Star Jasmine?
Indoor Challenges and Advantages

Indoors, achieving proper light and humidity conditions can be challenging. However, protecting star jasmine from freezing winter temperatures and pest infestations is easier. Moreover, the plant's fragrance can add a refreshing scent to the home environment.

Outdoor Challenges and Advantages

Outdoors, star jasmine can experience more robust growth given enough space and sunlight. However, it requires more attention to protect it from extreme temperatures, heavy snow, or frost. On the flip side, star jasmine is known for its tough and resilient nature which often translates into less overall maintenance when grown outdoors.
How to Manage Indoor Humidity for Star Jasmine During Winter?
Humidity Requirement
Star jasmine prefers moderate humidity levels, typically most comfortable in an environment with a relative humidity of 40-60%. During the winter months, especially indoors, these levels can drop due to heating systems causing lower humidity indoors. It is important to counteract this to ensure the health and vigor of star jasmine.
Effects of Low Humidity
Low humidity can harm star jasmine, leading to symptoms such as leaf browning, wilting, and premature leaf drop. Lack of humidity can also reduce the plant's resistance to pests, making it more vulnerable to infestations. This is why maintaining an adequate humidity level within your indoor environment during winter months is crucial for star jasmine.
Recommendations to Increase Humidity
There are a number of ways to increase the humidity for your star jasmine. First, consider using a home humidifier that allows you to control and maintain the required humidity level. Alternatively, placing your plant on a water-filled tray with pebbles can increase local humidity as the water evaporates. Grouping several plants together can also create a microclimate with higher humidity. Regularly misting star jasmine with water can also help; however, this should be done with distilled or rainwater to avoid leaf spot.
Humidity Monitoring Tools
To ensure your indoor environment maintains the desired humidity levels for star jasmine, consider investing in a hygrometer. This tool measures the amount of moisture in the air, allowing you to accurately monitor and adjust the humidity in your home as needed to ensure ideal conditions for star jasmine.
What is the Outdoor Potential of Star Jasmine in Winter?
Brief
Star jasmine is a subtropical plant which means it typically does not handle freezing temperatures well, being susceptible to both frost damage and wind burn. Cold winter winds can desiccate the plant, leading to water loss. Additionally, ground freezing can cause root damage, interrupting the absorption of water and nutrients.
Mulching
Applying a thick layer of organic mulch (about 2-3 inches) around the base of star jasmine insulates the roots, helps maintain soil moisture and protects the plant from freezing temperatures. Spread the mulch after the first hard freeze but before the soil is completely frozen. Avoid mulch contacting the stem to prevent decay.
Protective Coverings
Use burlap, hessian, or specially designed frost cloths to wrap star jasmine. The purpose is to trap a layer of air that insulates the plant. It's important to remember not to use plastic as it doesn't provide the same insulation properties and may cause overheating.
Creating Windbreaks
If star jasmine is positioned in an area exposed to harsh winter winds, setting up a temporary windbreak can be helpful. This can be as simple as erecting a burlap screen on the windward side of the plant. Ensure the windbreak is sturdier and taller than the plant to provide maximum protection.
What Are the General Care Requirements for Star Jasmine During Winter?
Star jasmine needs sufficient sunlight, well-drained soil, and a consistent watering regime. These needs slightly change depending on whether it is cared for indoors or outdoors.
What is the Ideal Temperature Range for Star Jasmine in Winter?
Indoor Temperature Management
If star jasmine is kept indoors during winter, maintain a consistent environment with temperatures above 4°C (40°F). A room that is hardly heated or a cool conservatory would be ideal. Avoid placing star jasmine near radiators or heaters, as this could dry out the plant. Monitor the temperature regularly, and if you see any signs of stress - such as wilting or leaf drop - adjust the temperature accordingly. In the event of extreme cold outside, insulate your windows or move star jasmine away from drafts to prevent sudden temperature drops.
Outdoor Temperature Management
For star jasmine growing outdoors, provide added protection as temperatures approach the lower end of the plant's comfort range, around freezing point. You can do this by loosely wrapping the vine in hessian or using a layer of mulch at the base to insulate the roots. Consider moving potted plants to a sheltered location, or if possible, into a greenhouse. Outdoors, star jasmine should ideally be placed in a location where it can get part of the day's sun to keep it from getting too cold. Remember to check moisture levels, as star jasmine should not dry out even in winter.
What Are the Lighting Requirements for Star Jasmine in Winter?
Indoor Lighting Recommendations
If star jasmine is being kept indoors during winter, it's crucial that it's placed somewhere that receives plenty of natural light, ideally near a south-facing window. Rotate the plant every few weeks to make sure each side gets an even amount of light. It can also tolerate some direct light but be cautious in high light areas as this can lead to leaf scorch.
Outdoor Lighting Recommendations
For star jasmine placed outdoors during winter, it should be situated in a spot that gets ample sunlight, ideally where there is morning sun and afternoon shade. However, remember to protect it from harsh winter winds that can dry out the plant. Additionally, winter sunlight can be less intense, so a bit more exposure than normal may be beneficial.
Additional lighting solutions
In regions with short winter days or less intense light, artificial lighting solutions like fluorescent grow lights can be a good option for star jasmine kept indoors. A grow light can supplement natural light, often offering a full spectrum of light similar to the sun. Recommendations vary, but generally, 12 to 16 hours of supplemental light is beneficial. Be sure to give the plant a rest period without light for 8 hours each day.
How Should You Water Star Jasmine During Winter?
Indoor Watering Recommendations
If star jasmine is being kept indoors, the temperature is more controlled, and there's less chance of evaporation due to wind or intense sunlight, therefore it might retain water for a longer period. Indoor star jasmine may not require watering more than once every three or four weeks in winter. Conduct a moisture check before watering by inserting your finger into the soil. If the soil feels dry, water thoroughly but make sure the plant is not left sitting in water, as this can also lead to root rot. Consider using a well-draining pot and tray to prevent over-watering.
Outdoor Watering Recommendations
When star jasmine is kept outdoors, it might dry out more quickly due to wind or sunlight, despite the cooler temperatures. If the weather is particularly wet in your region, natural rainfall may suffice, and you may not need to water the plant at all. But if the weather is dry, watering star jasmine once every two weeks should be enough. Monitor the soil conditions and adjust the watering schedule if the soil appears too dry or too wet. Over-watering can be avoided by ensuring the soil drains well and isn't waterlogged.
What is the Fertilization Schedule for Star Jasmine During Winter?
Fertilization Requirements
Star jasmine is a hardy, evergreen plant and typically does not require additional fertilization during the winter months. Its growth slows during this cooler period, and excessive nutrients can lead to weak, leggy growth or leaf burn. Thus, it's best to pause fertilizing star jasmine in winter unless the plant is showing signs of nutrient deficiency, such as yellowing leaves or slow growth.
Fertilization Guidelines
Apply fertilizer sparingly to star jasmine during winter, only once at the beginning of the season. Scatter the granules around the base of the plant, keeping them off the foliage and away from the stem to avoid burn. Follow the manufacturer’s instructions for exact quantities, always erring on the side of less. Always water thoroughly after applying fertilizer to help it reach the plant's roots.
Recommended Fertilizer Type
If fertilization is necessary, use a balanced slow-release fertilizer like a 10-10-10 or 14-14-14 formula. This means it contains equal amounts of nitrogen (N), phosphorus (P), and potassium (K), the three most important nutrients for plant growth.
Soil Amendments
In addition to the implementation of fertilizers, improving the soil's organic matter content by adding compost to the top layer of soil can enhance its nutrient-holding capacity. This can help star jasmine to better access the nutrients it needs during the winter. It also improves soil structure and encourages beneficial soil organisms, which can improve overall plant health. However, adding compost should be done carefully and not frequently, as excessive amounts can lead to water retention issues and root rot.
How to Prune Star Jasmine in Winter?
Pruning Timing
For star jasmine, the ideal timing of winter pruning can be towards the end of the winter season, just before the onset of spring. This is usually when the plant is dormant and less susceptible to stress or damage from pruning. Given star jasmine's growth patterns, this timing ensures that new spring growth will be vigorous and unimpeded by previous season's dead or damaged stems.
Techniques and Tools
Pruning star jasmine involves certain techniques to maximize its growth potential. Start with clean, sharp secateurs to ensure clean cuts and minimize potential disease transmission. Begin by removing any dead or damaged stems, followed by any that are crossing or rubbing against each other. Then, thin out older stems to encourage new, healthy growth. For taller growth, light shearing can help maintain the plant's form. Make sure to make cuts at a 45-degree angle, just above leaf nodes or lateral branches to promote the best possible new growth.
Benefits of Winter Pruning
Winter pruning delivers numerous benefits for star jasmine. It can help maintain the shape of star jasmine and keep it within a desired size, which is particularly important if the plant is being used as a groundcover or wall-climbing vine. Pruning also boosts healthier spring growth by eliminating dead and possibly disease harboring parts, thus reducing the risk of fungal diseases. Additionally, it promotes denser foliage and more profuse flowering, leading to an aesthetically pleasing plant that makes it a standout in any garden in the warmer months.
When and How Should You Transplant Star Jasmine in Winter?
Transplanting Timing
For star jasmine, transplanting should be done in fall or early spring before the winter, allowing the plant ample time to establish its roots in the new location before the cold sets in. Transplanting during this time reduces stress on the plant and increases its chances of survival and growth during the harsh winter months.
Techniques and Preparation
Start by watering star jasmine thoroughly a day or two before transplanting to ease extraction and minimize root damage. Prepare the planting hole in advance, ensuring it is twice as wide and roughly the same depth as the root ball. Inspect the plant's roots and prune any diseased or broken sections before placing it into the new hole. Backfill with garden soil, amended if necessary to improve its quality, and press down gently to remove air pockets. Water deeply right after transplanting and apply a thick layer of mulch around the base of the star jasmine to help maintain soil moisture and temperature during the winter months.
New Location Considerations
When choosing a new location for star jasmine, consider a site that receives full sunlight to partial shade, as these plants appreciate some afternoon shade in hotter climates. The soil should be well-draining, though star jasmine is fairly adaptable and can tolerate a variety of soil types. Ensure the space is sufficient to accommodate star jasmine's mature size which can reach up to 20 feet tall and 5 feet wide. A trellis, arbor, or fence may also be needed for support as the plant grows, and to evoke its climbing feature.
How to Manage Pests and Diseases for Star Jasmine in Winter?
Pests and Diseases During Winter
Star jasmine can face specific challenges from pests and diseases during the winter months when it's in a dormant state. The cold and damp conditions can promote fungal diseases; additionally, indoor over-wintering may lead to pest issues such as scale insects and spider mites.
Tips and Preventions
Regularly inspect the plant for signs of pest infestations or diseases. Maintain a moderate humidity level to prevent fungal growth. Consider using organic pest controls and fungicides as a proactive measure. Avoid over-watering as this promotes disease. Finally, provide appropriate light and ventilation if over-wintering indoors.
Common Pests and Disease
Scale Insects

These pests attach themselves to star jasmine and suck the plant's sap, leading to yellowing or wilting leaves. Management includes manually removing visible insects and using organic insecticides.

Spider Mites

Small, spider-like pests that cause speckling on leaves. They thrive in dry conditions. Increasing humidity and using a miticide can help control these pests.

Botrytis Blight

A fungal disease characterized by gray, fuzzy mold on plant parts, particularly when humidity is high. Pruning affected parts, improving airflow, and using fungicides can help manage the disease.
What Are the Overall Winter Care Advices for a Thriving Star Jasmine?
Consistent care is crucial for star jasmine's growth, regardless of the location. Always keep an eye on the temperature, light, and watering needs. Be proactive in moving the plant to suitable locations as per seasonal changes. Utilize protective measures like mulch or plant covers outdoors if needed, and aim to replicate outdoor conditions as best as possible when growing star jasmine indoors. Regular pruning is beneficial in both settings to encourage its growth and maintain the desired shape.
Discover care info about seasonal tips, plant diseases, and more?
Cookie Management Tool
In addition to managing cookies through your browser or device, you can change your cookie settings below.
Necessary Cookies
Necessary cookies enable core functionality. The website cannot function properly without these cookies, and can only be disabled by changing your browser preferences.
Analytical Cookies
Analytical cookies help us to improve our application/website by collecting and reporting information on its usage.
Cookie Name Source Purpose Lifespan
_ga Google Analytics These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here. 1 Year
_pta PictureThis Analytics We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience. 1 Year
Cookie Name
_ga
Source
Google Analytics
Purpose
These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here.
Lifespan
1 Year

Cookie Name
_pta
Source
PictureThis Analytics
Purpose
We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience.
Lifespan
1 Year
Marketing Cookies
Marketing cookies are used by advertising companies to serve ads that are relevant to your interests.
Cookie Name Source Purpose Lifespan
_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
Cookie Name
_fbp
Source
Facebook Pixel
Purpose
A conversion pixel tracking that we use for retargeting campaigns. Learn more here.
Lifespan
1 Year

Cookie Name
_adj
Source
Adjust
Purpose
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.
Lifespan
1 Year
This page looks better in the app
Open