Hypericum uralum — an easy houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Hypericum uralum

Hypericum Uralum

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ON THIS PLANT

Hypericum uralum is a species of flowering plant in the St. John's wort family Hypericaceae. Its native range includes China, Bhutan, India, Nepal, Pakistan and Myanmar.

A note from PlantMom

Nepal St Johns wort is resistant to disease and is generally not susceptible to illnesses. Regarding care, this plant is fairly low-maintenance. When grown 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. Nepal St Johns wort is appropriate for anyone with an outdoor area, such as a garden or deck, and does not need extensive plant-care experience.

— PlantMom
CARE GUIDE

How to keep Hypericum Uralum.

Light

The Nepal St Johns wort flourishes when subjected to plentiful sunshine all day, but it can also tolerate medium levels of sunlight. It is a native of areas that provide an abundant supply of light, and it can cope with various stages of plant development. Too much sunlight could be damaging, and too little might impede its ideal growth.

Water

Nepal St John's wort, native to arid regions, is highly drought-tolerant and requires minimal moisture to thrive. The plant prefers low humidity and should be watered every 2-3 weeks, allowing the soil to dry out between waterings. As an outdoor plant, it flourishes in well-draining soil, and its irrigation needs should be adjusted according to the season.

Temperature

The Nepal St Johns wort is native to areas where the temperature varies between 41 and 95 °F (5 to 35 ℃). It is fond of moderate temperatures and benefits from a slight decrease in degrees during the winter months.

Fertilizer

It is essential to correctly time the fertilization of Nepal St Johns wort. The fertilization should begin in the early spring and proceed monthly until the start of summer. The purpose of fertilizing is to yield beautiful flowers and supply energy during both resting and growing periods.

Pruning

Nepal St. John's Wort is known for its bright yellow flowers and shrubby foliage. To promote growth and enhance blooming, it is best to prune this plant in early spring. Remove any dead or crossing branches during this time. An open center will improve air circulation, which reduces the risk of disease. Pruning also encourages denser foliage and vibrant flowers, helping the plant maintain its health and attractiveness throughout the season.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Hypericum
Family
Hypericaceae
Hardiness Zone
5-9
Mature Height
91 cm
Mature Spread
0.61 m to 1.52 m
Leaf Color
Dark Green
Leaf Type
Deciduous
Flower Color
Yellow
Flower Size
3.05 cm
Bloom Time
Summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Early fall, Mid fall
Native Area
Nepal, India, Indonesia, Vietnam, Myanmar, Bhutan, Thailand, China
FREQUENTLY ASKED

Reader questions.

How should I water my Nepal St Johns wort plant in the best way?

To ensure excellent root development, it's important to water your plants wisely. Instead of spraying the leaves directly, aim for the base of the plant, using a garden hose if possible. If your plants are located outdoors and exposed to direct sunlight, keep in mind that the leaves may require additional watering. To moisten the roots, consider using bubblers or soaker hoses for each plant. When adding or removing plants, soaker hoses that cover the entire garden or bed can help ensure deep root growth. After watering, be sure to drain any excess water and allow the soil to dry before watering again. Watering at ground level can help prevent diseases. On sunny days, you may choose to spray the entire bush with water. Whether your Nepal St Johns wort is in a pot or in the ground, remember that deep watering is preferred over light sprinkling.

Why should I put fertilizer on my Nepal St Johns wort?

To grow a healthy Nepal St. Johns wort plant, regardless of the type you have, regular fertilization is key. Providing the right nutrients will promote stronger growth and make the plant more resilient to harsh conditions, pests, and diseases. Maintaining the attractive foliage of your Nepal St. Johns wort is important, so it's crucial to establish and stick to a fertilization schedule that suits this specific plant. By doing so, you can expect vibrant leaves with a deep color and a lush appearance.

How many hours of sunlight per day does Nepal St. John's wort need to grow healthily?

To promote healthy growth, it is important to provide Nepal St Johns wort with a minimum of 3-6 hours of sunlight daily. While most plants that can tolerate partial sun can also do well in full sun, Nepal St Johns wort can thrive in both conditions as it requires less light for the process of photosynthesis. This makes it more adaptable compared to plants that specifically need either full sun or partial shade.

What temperature is best for growing Nepal St Johns wort?

The optimal temperature range for Nepal St Johns wort to thrive is between 65 to 80℉ (18 to 27℃). During the main growth phase, it can tolerate temperatures as high as 95℉ (35℃) and as low as 15℉ (-10℃). This species is resilient and can survive freezing winters. To summarize, the ideal, highest, and lowest temperature ranges are as follows: - Perfect: 65 to 80℉ (18 to 27℃) - Highest: 85 to 95℉ (30 to 35℃) - Lowest: -5 to 15℉ (-20 to -10℃) or below

What do I need to do if I give too much or too little water to the Nepal St Johns wort plant?

If you overwater your Nepal St Johns wort, it may start to show yellow leaves, leaf loss, and wilting. The plant may also appear dull and unhealthy, with mushy stems. In these cases, adjusting your watering schedule is recommended. Wilting can also be a sign of under watering, characterized by crispy and dry leaves. To address this, check the soil for dryness and provide a thorough watering if necessary. While enough water can help the Nepal St Johns wort recover, the plant may still have dry and yellow leaves due to a damaged root system. Once the plant returns to normal, the yellowing of leaves will stop. For indoor plants, regularly check the moisture levels in the pot and avoid overwatering. Look out for black spots, as they indicate the need for a few days of rest from watering to let the soil dry. Overwatering can lead to root rot, so it is important to transfer the plant to a different pot if discolored and slimy roots are present. Preventing root rot involves not allowing the soil to become too soggy. When planting the Nepal St Johns wort outdoors, ensure the soil is adequately moist. If it feels too dry, it may be a sign of underwatering. Providing sufficient watering is necessary for the plant's recovery.

When should I fertilize my Nepal St Johns wort?

To take care of your Nepal St Johns wort, fertilize it for the first time in late winter or early spring so it can grow healthily when the weather warms up. If you live in a warm climate, consider giving it another fertilization in early fall. This will provide extra nutrients for the upcoming growing season and help it withstand the winter cold without damaging the foliage. Fertilizing earlier will allow enough time for the new branches to grow and withstand the cold winter.

What kind of sunlight does Nepal St Johns wort require?

Nepal St Johns wort thrives in full or part sun. It is most productive when it receives direct morning light. However, during the summer, it requires some shade to shield it from the harsh afternoon sun. In temperate environments, excessive exposure to the hot afternoon sun can scorch the leaves, affecting the plant's overall look and well-being.

Do I need to change the temperature for Nepal St Johns wort as it grows at different times?

According to research, if Nepal St Johns wort experiences prolonged periods of higher temperatures, especially during the development of axillary buds and the growth of main shoots, it will show signs of stunted growth. To promote vigorous growth after germination or transplanting, it is recommended to keep the temperatures consistently cooler, around 65℉(18℃).

How frequently do I need to water my Nepal St Johns wort?

The Nepal St. John's wort prefers deep and infrequent watering. If you have them in pots, it's important to soak them in a gallon of water each time due to limited water storage and faster soil drying. In cold regions, water every 3 to 5 days, preferably in the morning when the soil is dry. You can also check the soil moisture by feeling the top 2-3 inches - if it's dry, it's time to water. In hot weather, check the moisture daily as it can dry out quickly. For garden irrigation, water once a week in hot climates, ensuring about 2 to 3 inches of soil is dry before watering. Avoid adding water if it's already raining to prevent root rot. During spring and fall, when the plant is outdoors, add 3 to 4 inches of mulch to conserve water. Sandy soil requires more frequent watering, while clay soil can go 2-3 days without water. Keep track of watering dates and look out for drooping leaves as a sign of needing water.

When is it not a good time to fertilize my Nepal St Johns wort plant?

Here are a few guidelines for fertilizing your Nepal St. John's wort. The first rule is to avoid fertilizing it in the winter, as the plant is dormant and doesn't need nutrients at that time. Additionally, it's best to refrain from fertilizing during late spring and summer due to the hotter and drier weather conditions, which can have a detrimental effect on the plant's reaction to fertilization. To prevent any potential issues, it's recommended to follow a fertilization schedule that focuses on feeding the plant only in early spring and early fall.

Can the sun harm Nepal St Johns wort? How can I protect Nepal St Johns wort from the sun and heat damage?

When moving Nepal St Johns wort plants from indoors to outdoors, direct sunlight can easily damage them. To prevent sunburn, it's best to gradually move the pots from a shaded area to a brighter spot. However, even plants that are accustomed to the summer sun can still be harmed by extreme heat. During a heatwave, it's crucial to keep the soil consistently moist to help the plants deal with excessive heat levels. To protect sensitive Nepal St Johns wort during extreme weather events, you can either move container plants to areas with afternoon shade or use a shade cloth.

How do I keep Nepal St Johns wort warm when it's cold outside?

Nepal St John's Wort is able to tolerate freezing temperatures when planted in the ground, as long as the temperature doesn't drop below 15℉(-10℃) during winter. However, if it is planted in pots or containers, it is important to protect the roots from the cold. This can be done by wrapping the container in a blanket or bringing it indoors to provide complete protection from the elements.

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