Lonicera fragrantissima — an easy houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Lonicera fragrantissima

Lonicera Fragrantissima

Updated · 1,514 observations
Photo · (c) Guy Babineau, some rights reserved (CC BY), uploaded by Guy Babineau COURTESY INATURALIST
ON THIS PLANT

Lonicera fragrantissima is a species of flowering plant in the honeysuckle family Caprifoliaceae, known by the common names winter-flowering honeysuckle, fragrant honeysuckle, kiss-me-at-the-gate, and sweet breath of spring. It is native to China and has been an introduced species to other parts of the world. It was brought to the attention of western gardeners by Scottish plant hunter Robert Fortune, who was plant hunting in China for the Royal Horticultural Society. Fortune introduced Lonicera fragrantissima to England in 1845, and a few years later it was introduced to the United States. In 1853 the editor of American gardening magazine The Horticulturist wrote that the previous year he had been sent a specimen from a plant that had been flowering in the gardens of Hatfield House, the Marquess of Salisbury's stately home in Hertfordshire. The first mention of a specimen for commercial sale in an American plant catalogue is in 1860.The honeysuckle is used as an ornamental plant for its fragrant flowers. In some parts of the world, where conditions are right, when it moves out of cultivation and takes hold in the wild, it can become an invasive weed.This honeysuckle, a species of "bush honeysuckle", is a shrub usually growing 1 to 3 metres (3.3 to 9.8 ft) tall, sometimes reaching a maximum height around 4.6 metres (15 ft). When mature it is a bushy tangle of slender, spreading branches. The leaves are up to 9 centimetres (3.5 in) long by 4.5 centimetres (1.8 in) wide. The flowers, borne in pairs, are each about 1 centimetre (0.39 in) long. They are white to "creamy white" in color. They are very fragrant, with a "lemony" scent. The fruit is a red berry up to a centimeter wide. The seeds are dispersed by animals that eat the fruits. The seeds must be stratified before they will germinate.This plant, considered a "harbinger of spring", is grown for ornamental purposes and as a hedge. It can be found growing in the wild in parts of the eastern United States from Ohio to New York to the southeastern states. It has also been observed in Utah.

A note from PlantMom

Winter honeysuckle is resistant to disease and is generally not likely to suffer from illnesses. This plant is relatively easy to care for. When planted outdoors it needs only minimal watering, and larger plants typically do not require pruning. Smaller plants, however, should be pruned after they have finished blooming. Winter honeysuckle is suitable for anyone with outdoor space, such as a garden or deck, and does not demand extensive gardening experience.

— PlantMom
CARE GUIDE

How to keep Lonicera Fragrantissima.

Light

Winter honeysuckle prefers strong sunlight and does well in locations with moderate sun exposure. For healthy growth, the plant needs ample sun, although a bit of shade can be tolerated. Native to areas with plentiful daylight, it can suffer in deep shade, resulting in reduced flowering and growth.

Water

Winter honeysuckle grows best in well-drained soil with a moderate amount of moisture. It can adapt to periods of low rainfall by going dormant. To care for this plant, water it every three weeks, making sure to let the soil dry out between waterings to prevent root rot. While winter honeysuckle enjoys natural rain when grown outdoors, it may require extra watering during dry spells.

Temperature

Winter honeysuckle does best at temperatures from 32 to 90 °F (0 to 32 °C), matching the climate of its natural habitat. In periods of excessive heat or cold, adjust temperatures to this range to replicate its preferred conditions.

Fertilizer

Timing is vital for fertilizing Winter honeysuckle. Begin fertilizing in early spring and continue once a month until early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant periods and active growth.

Pruning

To keep your winter honeysuckle healthy and vibrant, it's best to prune it after it flowers in late spring. During this time, remove any dead wood, thin out crowded branches, and cut back stems to encourage new growth. This practice not only improves the plant's health and vigor but also enhances its blooming and helps maintain its shape. Be sure to use clean, sharp tools to avoid damaging the plant and to keep it attractive throughout the year.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Lonicera
Family
Caprifoliaceae
Hardiness Zone
3-8
Mature Height
0.91 m to 3.05 m
Mature Spread
1.83 m to 3.05 m
Leaf Color
Green, Blue
Leaf Type
Deciduous
Flower Color
White
Flower Size
2.54 cm
Bloom Time
Early spring, Mid fall, Late fall, Winter
Planting Time
Spring, Autumn
Harvest Time
Mid spring, Late spring, Early summer
ALSO KNOWN AS

Other names.

en Fragrant honeysuckle en Winter honeysuckle en Honeysuckle en January jasmine en Bush honeysuckle en Sweet breath of spring en Sweet breath-of-spring en Kiss-me-at-the-gate
FREQUENTLY ASKED

Reader questions.

How frequently should I water my Winter honeysuckle plant?

The Winter honeysuckle thrives with deep and infrequent watering. If they are planted in pots, be sure to soak them with a gallon of water each time, as the limited water storage in pots causes the soil to dry out faster. In cold regions, watering should be done every 3 to 5 days. It is best to water them early in the morning when the soil is dry, whether they are indoors or outdoors. You can also check the soil moisture by feeling it. When the top 2-3 inches of soil feels dry, it's time for a thorough watering. During hot days, check the moisture level daily, as the heat can quickly dry out the soil in the pot. For garden plants, irrigation is necessary. In hot climates, watering once a week is sufficient. Only water when you notice that about 2 to 3 inches of soil has become too dry, both indoors and outdoors, while considering the amount of rainwater received to avoid overwatering and root rot. If there is abundant rainfall, additional watering might not be necessary. Winter honeysuckles tend to grow in spring and fall. When planted outdoors, adding 3 to 4 inches of mulch is recommended to retain moisture. Sandy soil requires more frequent watering due to its fast drainage, while clay soil needs less frequent watering to prevent root rot. Keeping track of watering dates on a calendar can help determine if a plant is thirsty. Drooping leaves may indicate that watering is needed soon.

Why is it necessary to put fertilizer on my Winter honeysuckle plant?

To help your Winter honeysuckle thrive and produce beautiful blooms, it's important to fertilize it. By fertilizing in early spring, you can ensure that your Winter honeysuckle will have excellent flowers during that season. Additionally, fertilizing provides your Winter honeysuckle with the energy it needs to store in the ground during periods of dormancy. By providing extra nutrients during fall planting or late spring, you can help your Winter honeysuckle store more energy to use when it resumes active growth.

What are the sunlight requirements for Winter Honeysuckle?

Winter Honeysuckle (Lonicera fragrantissima) thrives in areas that receive robust exposure to sunlight. It prefers locations that ensure excessive sun exposure for healthy growth, although it can tolerate slight shades. Typically, plants in this category require full sun, which translates to above 6 hours of direct sunlight daily, or partial sun, being about 3-6 hours of sunlight. It's essential to observe how sunlight traverses your garden throughout the day to pick spots offering the ideal mix of light and shade, thereby guaranteeing your plants' well-being.

What is the optimal temperature range for Winter Honeysuckle?

Winter honeysuckle, known botanically as Lonicera fragrantissima, thrives best in a temperature range of 32 to 90°F (0 to 32°C). This range matches the climate of its natural habitat. To simulate these preferential conditions, it is advisable to adjust the surrounding temperature accordingly during the hotter and cooler seasons. Winter honeysuckle exhibits strong cold resistance, eliminating the need for special frost protection measures in most cases. However, in circumstances where winter temperatures are expected to plummet below -35°C, it becomes crucial to implement cold protection by wrapping the trunk and branches with insulating materials like non-woven fabric or cloth. Additionally, to combat potential drought and water scarcity during winter and early spring, it is recommended to water the plant generously before the first freeze of autumn, making sure the soil remains moist as it enters a frozen state.

Do I need to change how often I water my Winter honeysuckle based on the time of year or the weather?

The Winter honeysuckle needs to be watered outdoors, preferably with rainwater, unless the weather is consistently dry. During the spring and fall, the soil should be kept moist but not overly wet, alternating between dry and moist conditions will promote healthy growth. In the summer, hot weather and lack of rainfall may cause the soil to dry out quickly, so you may need to water more frequently to keep it moist. During the winter, the Winter honeysuckle requires less water, especially when it goes dormant and loses its leaves. Using a well-draining soil mixture, like terracotta, will help the water evaporate faster. Once the plant starts leafing out in the spring and goes dormant, you can stop watering altogether, as it can rely on fall and winter rains to survive. In colder months, ensure good drainage to avoid ponding or drought. When planted in pots, the Winter honeysuckle has limited root growth, so keep them well-watered, especially in summer. Deep soaking the root system once or twice a week, depending on the weather, is ideal. Avoid shallow sprinkles that only wet the leaves, as this promotes fungi growth and does not reach the roots. Even in dormancy, don't let the Winter honeysuckle dry out completely in fall or winter. Excessive water can also be harmful, so make sure the soil drains well, especially during winter to prevent plant death. Applying mulch is beneficial to reduce stress, conserve water, and encourage healthy blooms.

When should I fertilize my Winter honeysuckle?

To ensure effective fertilization of Winter honeysuckle, it is important to consider timing. If fertilizer is applied too early while the plant is still dormant, it will not be effective and will simply be washed away by rainwater, resulting in waste and pollution. The ideal time for the first fertilizer application is early spring. After that, continue fertilizing once a month until early summer.

Can Winter Honeysuckle grow with artificial lighting?

Yes, Winter Honeysuckle can grow with artificial lighting, especially when natural sunlight is not enough. This is particularly useful in winter or in areas within the home that do not receive sufficient sunlight. Artificial lights, like LEDs, are beneficial as they can mimic the specific light wavelengths needed by plants. For healthy growth under artificial lighting, full sun plants require 30-50W per square foot, partial sun plants need 20-30W per square foot, and full shade plants require 10-20W per square foot. The light source should ideally be placed 12-36 inches above the plant, emulating the natural sunlight angle and duration which is typically 8-12 hours per day depending on the species.

How does Winter Honeysuckle react to low temperatures?

Winter honeysuckle is remarkably tolerant to cold, ideally requiring temperatures to remain above 0°C for optimal growth. Despite its resilience, when temperatures fall below -35°C, the plant may not show immediate distress during winter; however, by spring, its branches might become brittle, dry out, and fail to produce new shoots. Should this occur, the advised course of action is to prune away any dead branches that haven't sprouted new leaves during the spring, to encourage healthy new growth.

How should I water my Winter honeysuckle?

To ensure excellent root development, place a garden hose at the base of the plant. Avoid spraying the leaves directly, especially if the plant is exposed to direct sunlight outdoors, as the leaves will need more water. Alternatively, you can use bubblers to moisten the roots of each plant. Soaker hoses are also beneficial for watering the entire garden or bed, particularly when adding or removing plants to encourage deep root growth. After watering, drain any excess water and allow the soil to dry before watering again. To prevent diseases, water at ground level rather than spraying the foliage. On sunny days, it may be beneficial to spray the entire plant. Whether the Winter honeysuckle is potted or in the ground, remember that it prefers deep watering rather than light sprinkling.

When should I not fertilize my Winter honeysuckle?

To ensure the best growth and blooming of Winter honeysuckle, it's important to be mindful of the fertilizer used. Too much nitrogen can result in an abundance of leaves but fewer blooms, so opting for a fertilizer with a lower nitrogen content compared to other nutrients is advisable. It's recommended to refrain from fertilizing after early autumn, as this can lead to excessive growth right before winter. Moreover, it's crucial to avoid fertilizing Winter honeysuckle during hot and dry periods since dry soil does not effectively deliver fertilizer, and stimulating growth during this time may require additional water that may not be available. It's best to apply fertilizer earlier in the season when temperatures are cooler. Lastly, be cautious about inadvertently providing Winter honeysuckle with double-doses of fertilizer, as it can absorb fertilizer applied to nearby plants or lawns.

What are the signs of insufficient light in Winter Honeysuckle?

When Winter Honeysuckle does not receive adequate sunlight, it may show several signs indicating light deficiency. Common symptoms include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted new growth, and leaves that are lighter in color or display irregular color patterns due to insufficient chlorophyll. In extreme cases of light inadequacy or overexposure, conditions such as chlorosis (leaves turning yellow), sunscald (damaged leaves from intense exposure), leaf curling, wilting, and leaf scorching can occur, negatively impacting the plant's health and development.

What are the effects of high temperatures on Winter Honeysuckle and how can they be mitigated?

During the summer months, it is crucial to ensure that the Winter honeysuckle's surrounding temperature does not exceed 32°C. Exposure to temperatures above 35°C can cause the plant's leaves to lighten in color and the tips to become dry and withered, increasing its vulnerability to sunburn. To mitigate these effects, it is recommended to trim away any sunburned or dried parts of the plant. Additionally, relocating the plant to an area with shade—particularly from the midday and afternoon sun—or employing a shade cloth can prove beneficial. To further protect the plant, ensure the soil remains moist by watering in the morning and evening.

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