Nyctanthes arbor-tristis, commonly known as the Night-flowering Jasmine or Parijat, is a small tree or shrub belonging to the Oleaceae family. Native to South Asia and Southeast Asia, it is widely cultivated for its fragrant flowers. The plant features grayish-brown bark and simple, opposite leaves that are dark green and glossy. The flowers of Nyctanthes arbor-tristis are small, white with an orange-red center, and bloom at night. Their intense fragrance attracts moths for pollination. In India, the plant typically blooms from July to September. Nyctanthes arbor-tristis boasts several medicinal properties as well. Its leaves are used in Ayurvedic medicine to treat various ailments such as arthritis, fever, malaria, and dysentery. The plant prefers well-drained soil with moderate watering and can grow up to 10 meters tall under favorable conditions. It can be propagated through seeds or cuttings. Overall, Nyctanthes arbor-tristis is an attractive ornamental plant with beautiful, fragrant flowers. Its significant medicinal value makes it popular among both gardeners and herbalists alike.
Night-flowering jasmine is disease-resistant and is generally not susceptible to diseases. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs little watering, and larger specimens usually do not require pruning. However, smaller plants should be pruned after they have finished blooming. Night-flowering jasminet is appropriate for anyone with outdoor space, such as a garden or deck, and does not demand extensive care experience.
How to keep Nyctanthes Arbor Tristis.
Light
Night-flowering jasmine performs best with abundant sunlight. The plant's vigorous growth corresponds to being in a highly sunlit environment. It needs that same level of sun exposure during its various growth stages. Maintaining a proper amount of sunlight is essential, since extremes can produce harmful effects. Its native habitat aligns with this plentiful sun exposure.
Water
Night-flowering jasmine thrives in high humidity and moist environments, typically needing watering every two weeks. Although it is moderately drought-tolerant, it is best grown outdoors. During dry periods, this plant will shed its leaves to conserve water, showcasing its adaptability to changing moisture levels.
Temperature
Night-flowering jasmine originates from regions where temperatures range from 20 to 38 °C (68 to 100 °F). It favors warm conditions and may need temperature adjustments during seasons of extreme heat or cold.
Fertilizer
The best time to fertilize a Night-flowering jasmine is in early spring, when it comes out of dormancy. This encourages overall growth and flower formation. Fertilization improves the foliage, stems, and branches, and fosters flowers that are larger, more vivid, and longer-lasting. It helps move nutrients from the roots to the blooms and enhances the plant’s health and resistance to disease.
Pruning
Night-flowering jasmine has fragrant flowers that range from white to orange. To maintain its health and appearance, it should be pruned from early to late winter. During pruning, make sure to remove any dead or overcrowded stems. This will help shape the plant and encourage new growth. Light pruning can enhance blooming, but be careful not to over-prune to ensure the plant retains enough healthy foliage. This practice improves air circulation and reduces the risk of disease.
Botanical profile.
- Plant Type
- Tree, Shrub
- Life Cycle
- Perennial
- Genus
- Nyctanthes
- Family
- Oleaceae
- Hardiness Zone
- 10-11
- Mature Height
- 1.83 m to 6.1 m
- Mature Spread
- 1.83 m to 3.66 m
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- White, Orange
- Flower Size
- 2.54 cm to 5.08 cm
- Bloom Time
- Fall, Early winter, Mid winter
- Planting Time
- Spring, Summer
- Harvest Time
- Late winter, Early spring, Mid spring
- Native Area
- Nepal, India, Indonesia, Cambodia, Thailand
Other names.
Reader questions.
How should I water my Night-flowering jasmine to make it thrive?
Your Night-flowering jasmine is not fussy about how you water it. You can use any common watering tool like a watering can, hose, or even a cup. It is important to water the plant by applying the water directly to the soil. Make sure to evenly moisten all areas of the soil to provide water to all parts of the root system. Using filtered water is recommended, as tap water may contain harmful particles. It is also best to use water at or slightly above room temperature, as extremely cold or hot water can shock the plant. However, the Night-flowering jasmine generally responds well to any type of water you give it.
Why is it necessary to put fertilizer on my Night-flowering jasmine?
Fertilization plays a crucial role in the overall health and well-being of Night-flowering jasmine. It promotes the growth of lush foliage, strong stems, and branches. However, the real value of fertilization lies in its ability to enhance the formation of large, vibrant, and long-lasting flowers, which are highly coveted by gardeners. The appropriate fertilizer enables an efficient transfer of nutrients from the plant's roots to its flowers, improving their overall quality. Additionally, proper fertilization maintains the plant's overall health, making it more resistant to diseases.
What are the sunlight requirements for Night-flowering Jasmine?
Night-flowering jasmine thrives in conditions where it can receive ample sunlight. The plant flourishes in full sun, defined as over 6 hours of sunlight daily, and can also tolerate partial sun, which means about 3-6 hours of sunlight. It's crucial to monitor the movement of sunlight through your garden to select spots that offer the perfect blend of light and shade, ensuring your plants' well-being.
What is the native environment of Night-flowering Jasmine?
Night-flowering jasmine, also known as Nyctanthes arbor-tristis, is native to environments with a temperature range of 20 to 38 °C (68 to 100 °F). It thrives in warm conditions and prefers environments where it can receive the optimal temperature for its growth. Due to its preference for warmer climates, measures might need to be taken to adjust the environment during seasons of extreme heat or cold to protect the plant.
What should I do if I give my Night-flowering jasmine too much water or too little water?
Outdoor plants, especially newly planted ones or seedlings, are at risk of not being watered enough. When the tree is small or newly planted, you should make sure to water it consistently for a few months. This is because Night-flowering jasmine can rely on rainfall once its roots are established. If you have potted Night-flowering jasmine, the risk of overwatering is higher. In case you accidentally overwater your plant, take immediate action to minimize the effects. Stop watering it right away and check the roots by removing the plant from its pot. If you don't find any signs of root rot, you can return the plant to its container. However, if there is root rot, trim away the affected roots and consider using a fungicide to prevent further damage. Lastly, repot your Night-flowering jasmine in soil that drains well. On the other hand, underwatering is easily fixable. If you notice drooping, dry leaves that fall off, water the plant more frequently. The leaves should regain their fullness after sufficient watering. Correct the watering frequency as soon as you notice underwatering.
When should I fertilize my Night-flowering jasmine for the best results?
The best time to fertilize Night-flowering jasmine is in early spring as it is coming out of dormancy. This will provide energy for growth and flower development. However, there is also an opportunity to fertilize in the fall, though a smaller amount is needed. Some gardeners choose to fertilize during planting, but it is not always required.
How does sunlight exposure affect Night-flowering Jasmine?
Sunlight exposure is crucial for the optimal growth of Night-flowering jasmine, a plant that prospers in abundant sunlight. Throughout its growth phases, consistent sun exposure is necessary. Either too much or too little sunlight can have adverse effects on the plant's health. Its natural habitat is indicative of its need for plentiful sun exposure.
How do low temperatures affect Night-flowering Jasmine, and what solutions are recommended?
Night-flowering jasmine is not tolerant of low temperatures and thrives when the temperature is above 20°C. Its health can be compromised when temperatures drop below 5°C, with indications such as lightening of the leaves when the temperature falls below 1°C, and following frost damage, leaves may turn brown or black while the plant exhibits wilting and drooping. To counter low temperature effects, it's advisable to trim off frost-damaged parts and move the plant indoors to a warm environment near a south-facing window, ensuring it receives plenty of sunlight. However, it should not be placed near heaters or air conditioning vents to avoid air excessive dryness.
How frequently should I water my Night-flowering jasmine?
Most outdoor plants can grow normally with rainfall. However, if your area doesn't get much rain, you'll need to water your plants every 2 weeks in the spring and fall. In the summer, you'll need to water more often. In the winter, when plants grow slower and need less water, you can water them less frequently or not at all. If you have a young or newly planted Night-flowering jasmine, you should water it more often to help it establish and grow. As it matures, it will become more adaptable and drought tolerant. For potted plants, there are two main ways to determine watering frequency for Night-flowering jasmine. The first is to follow a set watering schedule, like once a week or every other week. However, this may not always work as it doesn't consider the specific conditions of your growing environment. Another approach is to check the soil moisture. Wait until the top two to four inches of soil have completely dried out before watering again. This is usually about one-third to half the depth of the pots.
When is it not a good idea to put fertilizer on my Night-flowering jasmine?
During winter, Night-flowering jasmine enters a dormant phase and does not require fertilizer since it does not need much energy from the soil for new growth. Fertilizing it during this time increases the risk of overfertilization. The best times to fertilize the plant are in early spring and fall. Therefore, during spring and summer, the plant typically does not need fertilizer. It is also advisable to refrain from fertilizing if the plant is exposed to excessively hot or dry conditions.
What are the artificial lighting requirements for indoor Night-flowering Jasmine?
Indoor Night-flowering jasmine plants require adequate lighting, especially when natural sunlight is insufficient. Artificial lights, like LED, are recommended as they can be adjusted to fulfill the plant's specific light wavelength needs. The intensity of artificial lighting varies based on the plant's sunlight needs: 30-50W/sq ft for full sun plants, 20-30W/sq ft for partial sun plants, and 10-20W/sq ft for full shade plants. The light source should be placed 12-36 inches above the plant, mirroring natural sunlight conditions, and should be kept on for 8-12 hours per day to emulate the duration of natural daylight.
What are the effects of high temperatures on Night-flowering Jasmine and how can they be mitigated?
In the summer, it's essential to ensure that Night-flowering jasmine is not exposed to temperatures above 38°C. Exposure to temperatures exceeding 43°C can lead to lighter leaf colors and increase susceptibility to sunburn. To manage high temperature effects, trimming away sunburned and dried parts is recommended, as is relocating the plant to a shaded area during the peak midday and afternoon sun. Additionally, watering the plant in the morning and evening can help keep the soil adequately moist, aiding in its resilience against high temperatures.