Pyrola chlorantha — an easy houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Pyrola chlorantha

Pyrola Chlorantha

Updated · 234 observations
ON THIS PLANT

Pyrola chlorantha, the greenflowered wintergreen, is a species of the plant genus Pyrola. It has a circumboreal distribution and is found throughout the northern latitudes of Eurasia and North America. Pyrola chlorantha is found in the Northeastern United States and the Western United States, such as the Sierra Nevada in California. It is considered an endangered species in several of the U.S. states.

A note from PlantMom

Greenflowered wintergreen is fairly disease-resistant and typically does not suffer from diseases. As for upkeep, this plant is fairly low maintenance. When grown outdoors it needs only light watering, and larger specimens generally do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Greenflowered wintergreent is well suited for anyone with outdoor space, like a garden or a deck, and does not demand much gardening experience.

— PlantMom
CARE GUIDE

How to keep Pyrola Chlorantha.

Light

Greenflowered wintergreen does best in a moderately sunlit setting, maintaining a balance of light and shade. While it can tolerate complete shade, some sun exposure supports healthy growth. However, too much light can cause stunted growth and leaf scorch.

Water

The green-flowered wintergreen thrives in moist, shaded environments where it can maintain consistent humidity. To prevent over-saturation or drying out, water the plant every 2–3 weeks. Typically grown indoors, this plant does best in well-draining soil similar to its natural loamy habitat. This soil provides the right balance of moisture retention without the risk of waterlogging.

Temperature

Greenflowered wintergreen is native to habitats with moderate temperatures. It prefers a temperature range of 41 to 89.6°F (5 to 32°C). Changes to its surroundings may be necessary to preserve this optimal temperature throughout the seasons.

Fertilizer

Fertilize your Greenflowered wintergreen in early spring to encourage healthy growth. Regular feeding improves overall health, producing vigorous growth, increased tolerance of harsh conditions, and enhanced resistance to pests and diseases. Stick to a consistent fertilization routine for your Greenflowered wintergreen to keep the foliage vibrant, deeply colored, and lush in appearance.

Pruning

Greenflowered wintergreen is known for its unique greenish flowers and evergreen leaves. To encourage growth and reduce stress, you should prune the plant during its dormant period, from early to late winter. When pruning, remove any dead leaves and thin out crowded areas to improve airflow. Always use sanitized tools to prevent the spread of diseases, and handle the plant gently to protect its delicate structures.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Pyrola
Family
Ericaceae
Hardiness Zone
4-8
Mature Height
10 cm to 20 cm
Mature Spread
30 cm
Leaf Color
Dark Green
Leaf Type
Evergreen
Flower Color
White, Yellow, Green
Flower Size
0.76 cm to 1.27 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Turkey, Sweden, Austria, Slovakia, Montenegro, Croatia, Slovenia, Belarus, Russia, Germany, Estonia, Romania, Latvia, Belgium, France, Czech Republic, Bulgaria, Poland, Greece, Ukraine, Serbia, China, Lithuania, Norway, Italy, Kazakhstan, Spain, Switzerland, Denmark, Mongolia, Finland, Albania, Hungary
ALSO KNOWN AS

Other names.

en Green-flower wintergreen en Greenflowered wintergreen en Green-Flowered Wintergreen en Green-flowered Shineleaf en Pale-green Wintergreen en Green-flowered Pyrola en Green Wintergreen en Greenish Pyrola en Greenish Wintergreen
FREQUENTLY ASKED

Reader questions.

How should I water my Greenflowered wintergreen plant in the best way?

Your Greenflowered wintergreen is not fussy when it comes to watering. You can use any common watering tool like watering cans, hoses, or cups. It's important to water the plant by applying the water directly to the soil, making sure that all areas are equally moistened to provide water to the entire root system. Using filtered water is recommended as tap water may contain harmful particles. It is also best to use water at room temperature or slightly above, as extremely cold or hot water can be a shock to the plant. However, the Greenflowered wintergreen generally responds well to any type of water.

What are the sunlight requirements for Greenflowered wintergreen?

Greenflowered wintergreen thrives best in a moderately sunlit environment, where it finds a balance between light and shadow. This plant is adaptable, capable of tolerating completely shaded conditions, although limited sun exposure promotes healthier growth. It's important to provide about 3-6 hours of sunlight daily for partial sun conditions, and avoid placing it in areas where it would receive less than 3 hours of sunlight (full shade). Excessive light, however, can lead to stunted growth and leaf scorch, so monitoring the balance of light exposure is crucial for the plant's well-being.

What is the ideal temperature range for Greenflowered wintergreen?

Greenflowered wintergreen, known botanically as Pyrola chlorantha, thrives in environments with moderate temperatures, preferring a range between 41 to 89.6°F (5 to 32°C). It exhibits strong cold resistance, indicating that special frost protection measures are usually unnecessary. However, in conditions where winter temperatures are expected to plummet below -30°C, provision for cold protection should be made by wrapping the trunk and branches with non-woven fabric or cloth. As winter approaches, it's recommended to water the plant abundantly to ensure the soil remains moist and enters a frozen state, helping it to avoid drought and water scarcity during the colder months.

What should I do if I give my Greenflowered wintergreen plant too much or too little water?

Outdoor plants, especially newly planted ones or seedlings, can suffer from lack of watering. It's important to consistently water them enough for the first few months while they are small or just planted. Once the roots are established, the plants can rely on rain most of the time. However, when Greenflowered wintergreen is planted in pots, overwatering is more likely to occur. In the event of overwatering, it's important to take immediate action. First, stop watering the plant to minimize the effects of overwatering. Then, remove the plant from its pot to inspect the roots. If no root rot is found, the plant can be returned to its container. If root rot is present, trim affected roots and apply fungicide to prevent further damage. Finally, repot the plant in well-draining soil. On the other hand, underwatering can be easily fixed. If the plant is underwatered, its leaves will droop, dry out, and fall off. Once it is properly watered, the leaves will quickly return to fullness. It's important to adjust the watering frequency as soon as underwatering is detected.

How can artificial lighting be used for indoor Greenflowered wintergreen plants?

Artificial lighting serves as an essential support for indoor Greenflowered wintergreen plants, especially when natural sunlight is insufficient. To ensure optimal growth under artificial lighting, follow these guidelines: Choose LED lights as they can provide specific wavelengths necessary for your plant, adjust the light intensity based on the plant's requirements (30-50W/sq ft for full sun, 20-30W/sq ft for partial sun, and 10-20W/sq ft for full shade plants), set the lights 12-36 inches above the plant to mimic natural sunlight, and ensure the plants receive 8-12 hours of light per day to imitate natural daylight hours.

How should Greenflowered wintergreen be cared for in low temperatures?

Greenflowered wintergreen demonstrates a notable tolerance to cold, flourishing best when temperatures stay above 5°C. It requires protection if winter temperatures are expected to fall below -25°C to avoid damage. When temperatures dip below -30°C, the plant might not show immediate adverse effects during the winter, but come spring, its branches may turn brittle and fail to produce new shoots. To address this, it's advisable to prune away any dead branches showing no signs of new growth in the spring.

How often should I water my Greenflowered wintergreen? -> How much should I water my Greenflowered wintergreen plant?

If your area receives enough rainfall, most outdoor plants can grow normally without additional watering. However, if your area lacks rainfall, it is important to make sure your plants are adequately watered. During the spring and fall, you should water them every 2 weeks. In the summer, when plants need more water, you should water them more frequently. In the winter, when growth slows down and plants require less water, you can water them less often or not at all. If you have a young or newly planted Greenflowered wintergreen, you should water it more often to help it establish and grow. For potted plants, there are two main ways to determine how often to water your Greenflowered wintergreen. One way is to set a predetermined watering schedule, such as once a week or once every other week. However, this approach may not always work as it doesn't consider the specific growing conditions of your plant. Another approach is to determine watering frequency based on soil moisture. It is generally best to wait until the top two to four inches of soil (about ⅓ to ½ depth of the pots) have completely dried out before watering again. This can help ensure that your Greenflowered wintergreen gets the right amount of water throughout the year.

What are the symptoms of light deficiency in Greenflowered wintergreen?

When Greenflowered wintergreen is grown indoors with insufficient light, several subtle symptoms can indicate light deficiency. These include smaller new leaves compared to mature ones, leggy or sparse growth, premature leaf drop, slowed or halted growth, lighter-colored or irregularly patterned new leaves, and symptoms of chlorosis. Conversely, symptoms of excessive sunlight exposure include chlorosis, sunscald, leaf curling, wilting, and leaf scorching. Understanding these signs can help in adjusting the plant's exposure to light for healthier growth.

What are the symptoms of high temperature stress in Greenflowered wintergreen, and how can they be mitigated?

When the temperature surpasses 32°C in the summer, Greenflowered wintergreen might exhibit signs of stress, such as a lightening of leaf color, drying and withering of the tips, and increased susceptibility to sunburn. To mitigate these issues, it's recommended to trim away any sunburned or dried parts of the plant. Relocating the plant to a shaded area or using a shade cloth can protect it from the harsh midday and afternoon sun. Keeping the soil moist by watering the plant in the morning and evening is also advised to prevent further stress.

How much water does my Greenflowered wintergreen plant need?

Watering your Greenflowered wintergreen may not require a high volume of water. If only a few inches of soil have dried since your last watering, giving the plant about five to ten ounces of water will support healthy growth. You can determine the water volume based on the soil moisture, considering how many inches of soil have dried out between waterings. To ensure your Greenflowered wintergreen receives adequate moisture, water enough to moisten all the dry soil layers since the last watering. If more than half of the soil has become dry, it may be necessary to give more water than usual. In such cases, continue watering until you see excess water draining from the pot's drainage holes. If your Greenflowered wintergreen is planted in a rainy outdoor area, it may not need additional watering. However, when the plant is young or establishing, it should receive 1-2 inches of rain per week. As it grows, it can rely on rainwater alone. Only under hot weather conditions and when there is no rainfall for 2-3 weeks, consider giving your Greenflowered wintergreen a full watering to prevent stress.

What are some solutions for managing light conditions for Greenflowered wintergreen?

To manage light conditions for Greenflowered wintergreen, incorporate these solutions: Gradually increase sun exposure for the plant to adapt by moving it to sunnier spots each week until it receives 3-6 hours of direct sunlight. For indoor plants that are large or not easily movable, consider using artificial light sources, like desk or ceiling lamps for at least 8 hours daily, or invest in professional plant grow lights. If sunlight is obstructed by objects like trees, consider pruning to allow more light through or transplant smaller plants during their dormant period to a location with ample sunlight and good drainage. It's important to make these changes gradually to prevent sunburn.

How can I know if I am watering my Greenflowered wintergreen plant enough?

Greenflowered wintergreens often suffer from overwatering, which is a more common problem. You can identify signs of overwatering by looking for yellowing leaves and leaf drop. Overwatering can also cause the plant to shrink and may lead to root rot. Conversely, an underwatered wintergreen will also start to wilt and may have brown or brittle leaves. Regardless of whether you notice signs of overwatering or underwatering, it's important to take action and restore the plant's health.

PLATES
Pyrola chlorantha leaf
PLATE 01 · leaf
Pyrola chlorantha leaf
PLATE 02 · leaf
Pyrola chlorantha flower
PLATE 03 · flower
Pyrola chlorantha flower
PLATE 04 · flower
Pyrola chlorantha fruit
PLATE 05 · fruit
Pyrola chlorantha fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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